See FCCS Fuelbed ID Fields table for definitions of ID fields. Download all fuelbeds (.zip of XML files).
| ID | fuelbed_number | fuelbed_name | fuelbed_description | file_name | veg_form | change_agent | cond_class | ecoregions | cover_types | download_link |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | Bare Ground | Blank fuelbed | FB_0000_FCCS.xml | FB_0000_FCCS.xml | |||||
| 2 | 1 | Black cottonwood-Douglas-fir-quaking aspen forest | Mixed forests such as these are composed of black cottonwood with other conifer and hardwood species, found along rivers and floodplains throughout the Pacific Northwest. Conifers can include Douglas-fir, ponderosa pine, grand fir, Engelmann spruce, and other species. Hardwoods can consist of various species of cottonwood, aspen, alder, maple, or birch. | FB_0001_FCCS.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SRM 203: Riparian woodland SAF 222: Black cottonwood-willow SAF 235: Cottonwood-willow | FB_0001_FCCS.xml |
| 3 | 2 | Western hemlock-western redcedar-Douglas-fir forest | This is an example of old-growth forests found in the temperate coastal ranges west of the Cascade Range in Oregon and Washington. Douglas-fir is often dominant with codominant western hemlock and western redcedar. | FB_0002_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean | SAF 224: Western hemlock SAF 227: Western redcedar-western hemlock SAF 228: Western redcedar SAF 229: Pacific Douglas-fir SAF 230: Douglas-fir-western hemlock | FB_0002_FCCS.xml |
| 4 | 3 | Douglas-fir forest | This Douglas-fir forest fuelbed of the Pacific Northwest was clearcut 50 years previously and the second-growth stand was precommercially thinned 1 to 3 years previously. | FB_0003_FCCS.xml | Slash | Thinning (thin from below) | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean | SAF 229: Pacific Douglas-fir | FB_0003_FCCS.xml |
| 5 | 4 | Douglas-fir/ceanothus forest | This dry Douglas-fir forest fuelbed of the eastern Cascade Range was clearcut and burned 15 to 20 years previously, resulting in a ceanothus brushland. This forest type occurs at mid-elevations in the Cascade Range and northern U.S. Rocky Mountains. | FB_0004_FCCS.xml | Conifer Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean 330: Temperate Steppe | SAF 210: Interior Douglas-fir | FB_0004_FCCS.xml | |
| 6 | 5 | Douglas-fir-white fir forest | Forests composed of white fir, Douglas-fir, and other conifers are located in the southern Cascade Range and Sierra Nevada. These are cool forests of moderate to high elevation (3,000 to 5,000 feet) which characterize mid-seral conditions. This fuelbed represents forests between 80 and 120 years old. | FB_0005_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean 320: Tropical/Subtropical Desert | SAF 210: Interior Douglas-fir SAF 211: White fir SAF 229: Pacific Douglas-fir | FB_0005_FCCS.xml |
| 7 | 6 | Oregon white oak-Douglas-fir forest | Oregon white oak forests are found in the inland valleys of southeastern Vancouver Island through western Washington, western Oregon, and northern California. In the absence of fire throughout the 20th century, Douglas-fir invaded most pure oak stands. The Douglas-fir trees in this fuelbed were selectively thinned less than 5 years previously. | FB_0006_FCCS.xml | Mixed Forest | Selection Cut (thin large diameter) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean | SAF 233: Oregon white oak | FB_0006_FCCS.xml |
| 8 | 7 | Douglas-fir-sugar pine-tanoak forest | Mixed forests dominated by Douglas-fir, sugar pine, and tanoak are common mid-elevation forests of the west slopes of the northern Sierra Nevada and coastal Pacific Northwest. | FB_0007_FCCS.xml | Mixed Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean | SAF 229: Pacific Douglas-fir SAF 234: Douglas-fir-tanoak-Pacific madrone SAF 243: Sierra Nevada mixed conifer | FB_0007_FCCS.xml |
| 9 | 8 | Western hemlock-Douglas-fir-western redcedar/vine maple forest | Old-growth Douglas-fir, western hemlock, and western redcedar forests are commonly associated with vine maple and other productive understory vegetation in mesic habitats. These forests are abundant on the west side of the Cascade Range in Washington and northern Oregon. | FB_0008_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 228: Western redcedar SAF 230: Douglas-fir-western hemlock | FB_0008_FCCS.xml |
| 10 | 9 | Douglas-fir-western hemlock-western redcedar/vine maple forest | Douglas-fir dominates second-growth mesic mixed-conifer forests of the west side of the Cascade Range in Washington and northern Oregon. This fuelbed represents stands that were clearcut 40 to 60 years previously. | FB_0009_FCCS.xml | Conifer Forest | Clearcut | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 228: Western redcedar SAF 230: Douglas-fir-western hemlock | FB_0009_FCCS.xml |
| 11 | 10 | Western hemlock-Douglas-fir-Sitka spruce forest | This fuelbed represents forests on the Pacific Northwest coast, from southern Oregon to British Columbia. Moist to wet conditions support large old-growth Sitka spruce, Douglas-fir, and western hemlock. | FB_0010_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 223: Sitka spruce SAF 224: Western hemlock SAF 225: Western hemlock-Sitka spruce SAF 229: Pacific Douglas-fir SAF 230: Douglas-fir-western hemlock | FB_0010_FCCS.xml |
| 12 | 11 | Douglas-fir/western hemlock-Sitka spruce forest | Moist to wet conditions along the Pacific Northwest coast, from southern Oregon to British Columbia, support very large Douglas-fir, western hemlock, and Sitka spruce. This fuelbed represents stands that were clearcut 40 to 60 years previously. | FB_0011_FCCS.xml | Conifer Forest | Clearcut | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine | SAF 223: Sitka spruce SAF 224: Western hemlock SAF 225: Western hemlock-Sitka spruce SAF 229: Pacific Douglas-fir SAF 230: Douglas-fir-western hemlock | FB_0011_FCCS.xml |
| 13 | 12 | Red fir-mountain hemlock-lodgepole pine-western white pine forest | This fuelbed represents upper montane forests on the west side of the northern Sierra Nevada, composed of a mix of mountain hemlock, red fir, white pine, and lodgepole pine. | FB_0012_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 260: Mediterranean | SAF 205: Mountain hemlock SAF 256: California mixed subalpine | FB_0012_FCCS.xml |
| 14 | 13 | Mountain hemlock-Pacific silver fir forest | Pacific silver fir and mountain hemlock are common associates at high elevations in montane and subalpine forests along the western slopes of the Cascade Range. These forests are typically cool and moist. A wildfire occurred 35 years previously in this fuelbed, and the recovering stand is currently dominated by mountain hemlock. | FB_0013_FCCS.xml | Conifer Forest | Wildfire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 205: Mountain hemlock SAF 226: Coastal true fir-hemlock | FB_0013_FCCS.xml |
| 15 | 14 | California black oak woodland | Pure stands of California black oak are found in the foothills and shallow soils of low mountains in California and southwestern Oregon. California black oak woodlands are found only in pure stands when site conditions are unfavorable for conifers, or when these stands are maintained through thinning and prescribed fire. | FB_0014_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 260: Mediterranean | SAF 246: California black oak | FB_0014_FCCS.xml |
| 16 | 15 | Jeffrey pine-red fir-white fir/greenleaf-snowbrush forest | Jeffrey pine-dominated mixed conifer forests are widespread at middle to upper elevations in the Sierra Nevada, are generally open, and contain a prominent shrub layer. | FB_0015_FCCS.xml | Conifer Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SAF 247: Jeffrey pine | FB_0015_FCCS.xml | |
| 17 | 16 | Jeffrey pine-ponderosa pine-Douglas-fir-California black oak forest | Mixed forests of Jeffrey pine, ponderosa pine, and California black oak are common throughout the Sierra Nevada. These stands are maintained by periodic underburning. This fuelbed has not burned for more than 50 years, and has a midstory and understory dominated by shade-tolerant conifers such as white fir, Douglas-fir, and incense cedar. | FB_0016_FCCS.xml | Mixed Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 240: Marine 260: Mediterranean | SAF 243: Sierra Nevada mixed conifer SAF 245: Pacific ponderosa pine SAF 246: California black oak SAF 247: Jeffrey pine | FB_0016_FCCS.xml |
| 18 | 17 | Red fir forest | Pure stands of red fir are widespread in the central and southern Sierra Nevada. These forests occur above white fir -- sugar pine communities at the upper edge of the lower montane, and are dominant in the upper montane. This fuelbed represents stands that are usually dense, with very little shrub and grass present. | FB_0017_FCCS.xml | Conifer Forest | Fire Exclusion | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 260: Mediterranean | SAF 207: Red fir | FB_0017_FCCS.xml |
| 19 | 18 | Douglas-fir/oceanspray forest | Forests composed of mixed Douglas-fir and ponderosa pine occur in the U.S. Rocky Mountains and east of the Cascade Range. Fire exclusion and historic high-grade logging of mature ponderosa pine has favored dominance of the shade-tolerant Douglas-fir. This 80- to 250-year-old stand was treated with prescribed fire 5 years previously. This fuelbed was developed based on data from North Cascades National Park Complex. | FB_0018_FCCS.xml | Conifer Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 330: Temperate Steppe | SAF 210: Interior Douglas-fir | FB_0018_FCCS.xml |
| 20 | 19 | White fir-giant sequoia-sugar pine forest | Giant sequoia groves with other mixed conifers occur in the montane forests of the Sierra Nevada. Fire is essential to the continued vigor of these forests. Fire exclusion has caused live and dead fuel loadings to increase substantially. This fuelbed was developed based on data from Sequoia and Kings Canyon National Parks. | FB_0019_FCCS.xml | Conifer Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 260: Mediterranean | SAF 211: White fir SAF 243: Sierra Nevada mixed conifer | FB_0019_FCCS.xml |
| 21 | 20 | Western juniper/curl-leaf mountain mahogany woodland | Mixed forest fuelbed located on dry, steep slopes, ridges, and subalpine areas of the west side of the Sierra Nevada. Western juniper occurs with various species such as Jeffrey pine, white fir, mountain mahogany, and ponderosa pine. | FB_0020_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SAF 238: Western juniper | FB_0020_FCCS.xml |
| 22 | 21 | Young lodgepole pine forest | Lodgepole pine is often the seral species in montane forests of Washington, Oregon, and the U.S. Rocky Mountains. This fuelbed represents a 10-year old forest stand of lodgepole pine that replaced an older stand of lodgepole pine after a stand-replacing fire. | FB_0021_FCCS.xml | Conifer Forest | Wildfire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SAF 218: Lodgepole pine | FB_0021_FCCS.xml |
| 23 | 22 | Mature lodgepole pine forest | Mature stands of pure lodgepole pine occur in mid-montane forests of Washington, Oregon, and the U.S. Rocky Mountains. At maturity, these stands are usually dense and even aged. This fuelbed represents an 80-year old stand. | FB_0022_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SAF 218: Lodgepole pine | FB_0022_FCCS.xml |
| 24 | 23 | Mature lodgepole pine forest with bark beetle damage | Lodgepole pine forests occur in montane forests throughout Washington, Oregon, and the U.S. Rocky Mountains. This fuelbed represents a stand over 80 years old that was attacked by bark beetles less than 5 years previously. | FB_0023_FCCS.xml | Conifer Forest | Insects and Disease | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SAF 218: Lodgepole pine | FB_0023_FCCS.xml |
| 25 | 24 | Pacific ponderosa pine-Douglas-fir forest | This fuelbed is an example of a stand dominated by ponderosa pine occurring throughout the ponderosa pine zone of the Pacific Northwest and U.S. Rocky Mountains. Although Douglas-fir is commonly associated with these dry forests, fire exclusion, and high-grade logging have increased the ratio of Douglas-fir to ponderosa pine beyond historic levels. | FB_0024_FCCS.xml | Conifer Forest | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SAF 244: Pacific ponderosa pine-Douglas-fir SAF 245: Pacific ponderosa pine | FB_0024_FCCS.xml | |
| 26 | 25 | Pinyon-Utah juniper forest | Pinyon pine and juniper are common associates in the woodlands of the Southwest and are extensively distributed throughout the region. This fuelbed was developed based on data from Zion National Park. | FB_0025_FCCS.xml | Conifer Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SAF 239: Pinyon-juniper SRM 412: Juniper-pinyon woodland | FB_0025_FCCS.xml | |
| 27 | 26 | Interior ponderosa pine-limber pine forest | Ponderosa pine forests of the interior western U.S. have changed dramatically within the past century of fire exclusion. Dense understories of pine and sclerophyllous shrubs exacerbate hazardous fuel conditions. This fuelbed was developed based on data from Bryce Canyon National Park. | FB_0026_FCCS.xml | Conifer Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert | SAF 237: Interior ponderosa pine | FB_0026_FCCS.xml |
| 28 | 27 | Ponderosa pine-two needle pinyon-Utah juniper forest | This fuelbed represents transitional forests containing ponderosa pine, pinyon pine, and juniper that often occur on montane forest plateaus as an ecotone between interior ponderosa pine forests and pinyon-juniper forests of the Southwest. Utah juniper may be replaced by alligator juniper or other types of juniper in the south. | FB_0027_FCCS.xml | Conifer Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert 330: Temperate Steppe 320: Tropical/Subtropical Desert 310: Tropical/Subtropical Steppe | SAF 237: Interior ponderosa pine SAF 239: Pinyon-juniper SRM 504: Juniper-pinyon pine woodland | FB_0027_FCCS.xml |
| 29 | 28 | Ponderosa pine savanna | Fire exclusion has reduced the area of open ponderosa pine stands in native bunchgrass savannas. This fuelbed represents a savanna in which grazing has encouraged replacement of native bunchgrasses with range grasses. | FB_0028_FCCS.xml | Savanna | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert 330: Temperate Steppe 340: Temperate Desert | SRM 110: Ponderosa pine - grassland SAF 237: Interior ponderosa pine | FB_0028_FCCS.xml | |
| 30 | 29 | Interior ponderosa pine-Engelmann spruce-Douglas-fir forest | Ponderosa pine, Douglas-fir, and Engelmann spruce are common associates in the mixed conifer forests of the U.S. Rocky Mountains and the Southwest. Large diameter trees have been thinned in this fuelbed, and slash was left on site. | FB_0029_FCCS.xml | Conifer Forest | Selection Cut (thin large diameter) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert 330: Temperate Steppe 340: Temperate Desert | SAF 206: Engelmann spruce-subalpine fir SAF 210: Interior Douglas-fir SAF 237: Interior ponderosa pine | FB_0029_FCCS.xml |
| 31 | 30 | Turbinella oak-alderleaf mountain mahogany shrubland | This fuelbed represents Arizona chaparral that exists on over 3 million acres of mid-elevation foothills, mountain slopes, and canyons in Nevada, Arizona, New Mexico, and Texas. It usually occurs at elevations of 3,000 to 6,000 feet and borders oak woodlands, pinyon-juniper woodlands, and grasslands. | FB_0030_FCCS.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert 340: Temperate Desert | SRM 503: Arizona chaparral | FB_0030_FCCS.xml |
| 32 | 32 | Ponderosa pine/pinyon pine-Utah juniper forest | Transitional forests containing ponderosa pine, pinyon pine, and juniper often occur on montane forest plateaus as an ecotone between interior ponderosa pine forests and pinyon-juniper forests of the Southwest. This fuelbed was developed based on data from Lake Mead National Recreation Area. | FB_0032_FCCS.xml | Conifer Forest | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 310: Tropical/Subtropical Steppe | SAF 237: Interior ponderosa pine SAF 239: Pinyon-juniper SRM 504: Juniper-pinyon pine woodland | FB_0032_FCCS.xml | |
| 33 | 33 | Gambel oak/big sagebrush shrubland - 20-40 years post wildfire | Gambel oak and sagebrush are often codominants in the shrublands of the southern and central U.S. Rocky Mountains of Arizona, New Mexico, Colorado, and Utah. The shrublands are maintained through wildfire. This shrubland fuelbed burned 20 to 40 years previously. | FB_0033_FCCS.xml | Shrubland | Wildfire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert 340: Temperate Desert | SRM 413: Gambel oak | FB_0033_FCCS.xml |
| 34 | 34 | Interior Douglas-fir-interior ponderosa pine/gambel oak forest | This fuelbed represents mixed Douglas-fir and ponderosa pine conifer forests of the Southwest. Fire exclusion has created hazardous fuel conditions. | FB_0034_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert 330: Temperate Steppe 340: Temperate Desert | SAF 210: Interior Douglas-fir SAF 237: Interior ponderosa pine | FB_0034_FCCS.xml |
| 35 | 36 | California live oak-blue oak woodland | This fuelbed represents woodlands and savannas in California coastal, inland valleys, and Sierra Nevada foothills. | FB_0036_FCCS.xml | Broadleaf Forest | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 260: Mediterranean | SRM 201: Blue oak woodland SRM 202: Coast live oak woodland SAF 255: California coast live oak | FB_0036_FCCS.xml | |
| 36 | 37 | Ponderosa pine-Jeffrey pine forest | Mature conifer forest of the Sierra Nevada composed of mixed long-needle pines. Fire exclusion in this fuelbed has increased trees such as Douglas-fir, white fir, and incense cedar in the understory. | FB_0037_FCCS.xml | Conifer Forest | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 260: Mediterranean | SAF 237: Interior ponderosa pine SAF 247: Jeffrey pine | FB_0037_FCCS.xml | |
| 37 | 38 | Douglas-fir-madrone-tanoak forest | This fuelbed represents mature mixed evergreen forests dominated by Douglas-fir, tanoak, and madrone occurring along the Pacific coast from southern Oregon to California at low to moderate elevations (sea level to 4,500 feet). | FB_0038_FCCS.xml | Mixed Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean | SAF 234: Douglas-fir-tanoak-Pacific madrone | FB_0038_FCCS.xml |
| 38 | 39 | Sugar pine-Douglas-fir-oak forest | Mixed conifer forests with oak midstories are found primarily in the Sierra Nevada, interior coast ranges of Mendocino and Lake counties of California, Klamath Mountains, and the southern Cascade Range. This stand is typical of dry, exposed sites on moderate to steep slopes. Fire scarring and charred bark are evidence that this forest has experienced frequent low severity fires. | FB_0039_FCCS.xml | Mixed Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SAF 243: Sierra Nevada mixed conifer SAF 244: Pacific ponderosa pine-Douglas-fir | FB_0039_FCCS.xml |
| 39 | 40 | Tobosa-grama grassland invaded by shrubs & annual grasses | Tobosa and grama grasslands are common in the Chihuahuan semidesert of the Southwest. These grasslands were originally dominated by bunchgrasses, but with fire exclusion and grazing, may be invaded by annual grasses, shrubs, pinyon pine, and juniper. This fuelbed represents grasslands that have been invaded by shrubs and annual grasses. | FB_0040_FCCS.xml | Grassland | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SRM 505: Grama-tobosa shrub | FB_0040_FCCS.xml | |
| 40 | 41 | Idaho fescue-bluebunch wheatgrass grassland | Perennial bunchgrass communities used to be more frequent in the Pacific Northwest than they are now. They are being lost due to development, grazing, and the absence of fire. This grassland fuelbed occurs in the Wallowa Mountains and Blue Mountains. | FB_0041_FCCS.xml | Grassland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean | SRM 101: Bluebunch wheatgrass SRM 102: Idaho fescue SAF 233: Oregon white oak SRM 304: Idaho fescue-bluebunch wheatgrass SRM 613: Fescue grassland | FB_0041_FCCS.xml | |
| 41 | 42 | Quaking aspen/Engelmann spruce forest | Quaking aspen forests with mixed conifer understories are common in the U.S. Rocky Mountains and other Western ranges. Quaking aspens occur in nearly pure stands as the seral community after fire, but in some locations are eventually replaced by mixed conifers through fire exclusion. | FB_0042_FCCS.xml | Mixed Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean 310: Tropical/Subtropical Steppe 330: Temperate Steppe 340: Temperate Desert | SAF 217: Aspen (western) SRM 411: Aspen woodland | FB_0042_FCCS.xml |
| 42 | 43 | Arizona white-gray-Emory oak woodland | Arid Southwestern evergreen oak woodlands can be composed of many species of oaks, depending on elevation. Lower elevations can include Mexican blue oak (Quercus oblongifolia), and higher elevations can include silverleaf oak (Q. hypoleucoides). This mid-elevation mature forest fuelbed consists of Emory oak (Q. emoryi), Arizona white oak (Q. arizonia), and gray oak (Q. grisea). Various pinyon and juniper species are also common subcomponents of this forest type. This forest type has been subject to grazing and fire exclusion for the past 100 years. | FB_0043_FCCS.xml | Broadleaf Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SAF 241: Western live oak SRM 509: Oak-juniper woodland and mahogany-oak | FB_0043_FCCS.xml | |
| 43 | 44 | Scrub oak chaparral shrubland | Southern California scrub oak chaparral covers over 300,000 acres in the San Bernardino Mountains and along the coast. It is found at elevations of 2,700 to 5,100 feet, where it intersperses with mixed evergreen forest. Chaparral is heavily influenced by fire, which brings the system to an early successional status This fuelbed is a mature scrub oak chaparral type over 50 years old. | FB_0044_FCCS.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 260: Mediterranean 320: Tropical/Subtropical Desert | SRM 207: Scrub oak mixed chaparral | FB_0044_FCCS.xml |
| 44 | 45 | Madrean pine-oak forest | Madrean mixed pine and oak forests extend north from Mexico to the southern part of New Mexico and Arizona. These forests can be composed of many species of pines and oaks such as Chihuahua pine (Pinus leiophylla), Apache pine (P. engelmannii), southwestern white pine (P. strobiformis), border pinyon (P. discolor), silverleaf oak (Quercus hypoleucoides), netleaf oak (Q. rugosa), Emory oak (Q. emoryi), Arizona white oak (Q. arizonica) and gray oak (Q. grisea). There can also be a subcomponent of juniper, Douglas-fir, and ponderosa pine in these stands. Pine-oak forests occur at elevations between 5,500 and 7,500 feet. This mature stand is about 100 years old, and fire has been excluded for the past 50 years. | FB_0045_FCCS.xml | Mixed Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SAF 241: Western live oak SRM 509: Oak-juniper woodland and mahogany-oak | FB_0045_FCCS.xml | |
| 45 | 46 | Chamise chaparral shrubland | This chaparral type is mostly restricted to coastal mountain areas south from San Diego County north to interior Mendocino County in California, covering more than 1.5 million acres. At lower elevations, chamise (Adenostoma fasciculatum) is found with coastal sage shrubs. At higher elevations, chamise is codominant with arctostaphylos or ceanothus or both. | FB_0046_FCCS.xml | Shrubland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SRM 206: Chamise chaparral | FB_0046_FCCS.xml |
| 46 | 47 | Redwood-tanoak forest | Coastal redwood occurs with mixed conifers at low elevations in forests of coastal northern California. These forests historically experienced frequent low severity wildfires, as is evident from the numerous fire scars and charred bark on coast redwood trees. | FB_0047_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SAF 232: Redwood | FB_0047_FCCS.xml |
| 47 | 48 | Douglas-fir-tanoak-madrone-bay forest | Mixed hardwood stands of tanoak, California bay, and Pacific madrone are found in mesic sites scattered throughout the southern and coastal mountains of California. These stands are usually dominated by Douglas-fir in the overstory. | FB_0048_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 260: Mediterranean | SAF 234: Douglas-fir-tanoak-Pacific madrone | FB_0048_FCCS.xml |
| 48 | 49 | Creosote bush shrubland | Creosote bush (Larrea tridentata) dominates scrublands in the Mojave, Sonoran, and Chihuahuan deserts throughout the Southwest. Each desert community has a unique shrub and herbaceous component that accompanies creosote bush, and many have a cactus component as well. Historically, these desert communities burned very infrequently due to low fuel presence. Due to fire exclusion and heavy grazing, they are now invading surrounding grasslands or are being invaded by nonnative grasses that change the fire regime. This is a regional fuelbed that spans all 3 desert types. | FB_0049_FCCS.xml | Shrubland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 320: Tropical/Subtropical Desert | SRM 211: Creosote bush shrub SRM 506: Creosotebush-bursage | FB_0049_FCCS.xml | |
| 49 | 51 | Coastal sage shrubland | Coastal sage scrub is a California chaparral community of low stature. It is found along the Pacific coast from Monterey Bay to Baja California, although much has been lost to agriculture and urban development. Coastal sage scrub is seral to chaparral and maintained by fire. | FB_0051_FCCS.xml | Shrubland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SRM 205: Coastal sage shrub | FB_0051_FCCS.xml |
| 50 | 52 | Douglas-fir-Pacific ponderosa pine/oceanspray forest | Dry Douglas-fir dominated mixed conifer forests with shrub understories are located in the U.S. Rocky Mountains and northeastern Cascade Range in the dry Douglas-fir zone. Pacific ponderosa pine is a common codominant in this forest type; however, fire exclusion has reduced the presence of the less shade-tolerant ponderosa pine. This fuelbed was developed based on data from the North Cascades National Park Service Complex. | FB_0052_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine | SAF 210: Interior Douglas-fir | FB_0052_FCCS.xml |
| 51 | 53 | Pacific ponderosa pine forest | Open stands of ponderosa pine are fire-dependent forests of the Cascade Range, Sierra Nevada, and U.S. Rocky Mountains. Dense thickets of ponderosa pine are common due to fire exclusion. This fuelbed was developed based on data from Lake Roosevelt National Recreation Area. | FB_0053_FCCS.xml | Conifer Forest | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 330: Temperate Steppe 340: Temperate Desert | SRM 110: Ponderosa pine - grassland SAF 237: Interior ponderosa pine | FB_0053_FCCS.xml | |
| 52 | 54 | Douglas-fir-white fir-ponderosa pine forest | Douglas-fir and ponderosa pine are typically codominant in the montane zone of the U.S. Rocky Mountains and the Southwest. Ponderosa pine tends to dominate the lower and drier sites, and Douglas-fir the higher and wetter sites. Fire exclusion has increased the density of shade-tolerant trees such as white fir. This fuelbed was developed based on data from Grand Canyon National Park. | FB_0054_FCCS.xml | Conifer Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SAF 210: Interior Douglas-fir SAF 211: White fir SAF 237: Interior ponderosa pine | FB_0054_FCCS.xml |
| 53 | 55 | Western juniper/sagebrush savanna | Western juniper savannas are transitional between ponderosa pine forests and sagebrush steppe in eastern Oregon and throughout the Great Basin. Fire exclusion has resulted in juniper encroachment into bordering sagebrush steppe. This fuelbed was developed based on data from John Day Fossil Beds National Monument. | FB_0055_FCCS.xml | Savanna | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 330: Temperate Steppe 340: Temperate Desert | SRM 107: Western juniper-big sagebrush-bluebunch wheatgrass | FB_0055_FCCS.xml |
| 54 | 56 | Sagebrush shrubland - exotic species | Sagebrush steppe occurs throughout the Great Basin. Sagebrush densities have increased and native bunchgrass densities have decreased due to fire exclusion. In this sagebrush steppe in eastern Oregon, overgrazing and cultivation have also facilitated establishment of nonnative annual grasses. This fuelbed was developed based on data from John Day Fossil Beds National Monument. | FB_0056_FCCS.xml | Shrubland | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 330: Temperate Steppe 340: Temperate Desert | SRM 314: Big sagebrush-bluebunch wheatgrass SRM 315: Big sagebrush-Idaho fescue SRM 401: Basin big sagebrush SRM 402: Mountain big sagebrush SRM 403: Wyoming big sagebrush | FB_0056_FCCS.xml | |
| 55 | 57 | Wheatgrass-cheatgrass grassland | Native bunchgrass once dominated the Great Basin. Overgrazing, agriculture and other disturbances have significantly altered these grasslands, which are now dominated by nonnative grass species. This fuelbed was developed based on data from John Day Fossil Beds National Monument. | FB_0057_FCCS.xml | Grassland | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 330: Temperate Steppe 340: Temperate Desert | SRM 101: Bluebunch wheatgrass SRM 102: Idaho fescue | FB_0057_FCCS.xml | |
| 56 | 58 | Western juniper/sagebrush savanna - post prescribed burn | Juniper savannas are transitional between ponderosa pine forests and sagebrush steppe in eastern Oregon and throughout the Great Basin. Fire exclusion has resulted in juniper encroachment into bordering sagebrush steppe. This stand was prescribed burned 2 years previously to reduce juniper density. This fuelbed was developed based on data from John Day Fossil Beds National Monument. | FB_0058_FCCS.xml | Savanna | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 330: Temperate Steppe 340: Temperate Desert | SRM 107: Western juniper-big sagebrush-bluebunch wheatgrass SAF 238: Western juniper | FB_0058_FCCS.xml |
| 57 | 59 | Subalpine fir-Engelmann spruce-Douglas-fir-lodgepole pine forest | Subalpine fir, Engelmann spruce and lodgepole pine are common in montane forests of Washington, Oregon, and the U.S. Rocky Mountains. This forest type is cool and moist, in a transition zone between the montane mixed conifer forests below and the subalpine forests above. | FB_0059_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SAF 206: Engelmann spruce-subalpine fir | FB_0059_FCCS.xml |
| 58 | 60 | Sagebrush shrubland - post prescribed burn | Sagebrush steppe occurs throughout the Great Basin. Sagebrush densities have increased and native bunchgrass densities have decreased due to fire exclusion. In this sagebrush steppe in eastern Oregon, overgrazing and cultivation have also encouraged invasion of nonnative annual grasses. This area was prescribed burned 2 years previously to reduce sagebrush densities and potentially stimulate native bunchgrass recovery (although this has not yet occurred). This fuelbed was developed based on data from John Day Fossil Beds National Monument. | FB_0060_FCCS.xml | Shrubland | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 330: Temperate Steppe 340: Temperate Desert | SRM 314: Big sagebrush-bluebunch wheatgrass SRM 315: Big sagebrush-Idaho fescue SRM 401: Basin big sagebrush SRM 402: Mountain big sagebrush SRM 403: Wyoming big sagebrush | FB_0060_FCCS.xml |
| 59 | 61 | Whitebark pine/subalpine fir forest | Whitebark pine stands occur at high elevation in Washington, Oregon and the U.S. Rocky Mountains. Whitebark pine is often the seral and dominant tree species in more xeric regions, along with subalpine fir and mountain hemlock. This mature forest (100 to 300 years) contains subalpine fir and whitebark pine. In this stand, many whitebark pine are dead due to white pine blister rust. | FB_0061_FCCS.xml | Conifer Forest | Insects and Disease | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean 340: Temperate Desert 330: Temperate Steppe | SAF 208: Whitebark pine | FB_0061_FCCS.xml |
| 60 | 62 | Huckleberry-heather shrublands - 7 years post wildfire | Subalpine meadows of the Pacific Northwest are commonly dominated by mountain huckleberry and heather. Huckleberry is dominant for 7 to 9 years after disturbances such as fires or avalanches, and may be maintained indefinitely on harsh sites. There was a wildfire on this site 7 years earlier. | FB_0062_FCCS.xml | Shrubland | Wildfire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SRM 209: Montane shrubland SRM 216: Montane meadows | FB_0062_FCCS.xml |
| 61 | 63 | Showy sedge-alpine black sedge grassland | Montane meadows in the subalpine are often dominated by sedges, grasses, and herbaceous species for up to 100 years after disturbances. Sedges may persist indefinitely in areas above tree line in mountain ranges of the West. These meadows are typically cold and wet, and have a short growing season. | FB_0063_FCCS.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 330: Temperate Steppe 340: Temperate Desert | SRM 216: Montane meadows SRM 914: Mesic sedge-grass-herb meadow tundra | FB_0063_FCCS.xml |
| 62 | 65 | Tussock grass-oatgrass grassland | Coastal prairie grasslands are fire dependent and found on coastal terraces of California, from Monterey to the Oregon border. Over the past 150 years, these prairies have been extensively invaded by nonnative annual grasses due to competition, grazing, cultivation and fire exclusion. These grasslands host a wide diversity of grass and forb species, and local distributions may not be represented by this fuelbed. | FB_0065_FCCS.xml | Grassland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SRM 214: Coastal prairie | FB_0065_FCCS.xml | |
| 63 | 66 | Bluebunch wheatgrass-bluegrass grassland | Prairie grasslands occur throughout the Midwest. This prairie is a mixed-grass prairie that is transitional between short and tall grass prairies in South Dakota. Historically, fire occurred at intervals of less than 35 years. | FB_0066_FCCS.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 250: Prairie 330: Temperate Steppe | SRM 101: Bluebunch wheatgrass SRM 301: Bluebunch wheatgrass-blue grama SRM 310: Needle-and-thread - blue grama SRM 606: Wheatgrass-bluestem-needlegrass | FB_0066_FCCS.xml |
| 64 | 67 | Interior ponderosa pine-Douglas-fir forest | Mixed Douglas-fir and ponderosa pine conifer forests of the northern U.S. Rocky Mountains. Fire exclusion has created elevated levels of hazardous fuels. | FB_0067_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert 330: Temperate Steppe | SAF 210: Interior Douglas-fir SAF 237: Interior ponderosa pine | FB_0067_FCCS.xml |
| 65 | 69 | Western juniper/sagebrush-bitterbrush shrubland | This eastern Oregon site has a mix of sagebrush (Artemesia spp.) and bitterbrush (Purshia tridentata) with scattered western juniper. Fire exclusion has resulted in western juniper encroachment into the sagebrush assemblage. Sagebrush shrublands are widespread throughout the Great Basin, with juniper woodlands above them in elevation and grasslands below. | FB_0069_FCCS.xml | Shrubland | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean 340: Temperate Desert 330: Temperate Steppe | SAF 238: Western juniper SRM 107: Western juniper-big sagebrush-bluebunch wheatgrass SRM 210: Bitterbrush SRM 314: Big sagebrush-bluebunch wheatgrass SRM 401: Basin big sagebrush | FB_0069_FCCS.xml |
| 66 | 70 | Subalpine fir-lodgepole pine-whitebark pine-Engelmann spruce forest | This fuelbed represents subalpine fir, lodgepole pine, whitebark pine, and Engelmann spruce forests found throughout the Rocky Mountains in the U.S., and in the Columbia Mountains and Interior Plateau in Canada. This forest assemblage is usually found above 6,000 feet. | FB_0070_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 330: Temperate Steppe 340: Temperate Desert | SAF 206: Engelmann spruce-subalpine fir SAF 215: Western white pine SAF 218: Lodgepole pine | FB_0070_FCCS.xml |
| 67 | 71 | Ohia/Florida hopbush-kupaoa forest | Ohia is the sole tree in this dry broadleaf woodland of the Hawaiian submontane zone. Understories consisting of mixed microphyllous shrubs and grasses are common in this woodland. Ohia woodlands are widely distributed throughout Hawaii at elevations between 1,000 and 4,000 feet. | FB_0071_FCCS.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0071_FCCS.xml | |
| 68 | 72 | Ohia/uluhe forest | Ohia rainforests with uluhe (Dicranopteris linearis) climbing fern understories, are typically open with thick, tall mats of uluhe. These rainforests occur at elevations between 1,500 and 4,400 feet. Although wildfires are uncommon in the rainforests of Hawaii, they can occur in uluhe fern-dominated sites after several weeks of drought. | FB_0072_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0072_FCCS.xml | |
| 69 | 73 | Koa/pukiawe forest | Koa-dominated evergreen broadleaf montane seasonal forest with pukiawe (Styphelia tameiameiae) shrub and several nonnative grasses in the understory occur throughout the Hawaiian Islands at elevations between 4,000 and 6,000 feet. | FB_0073_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0073_FCCS.xml | |
| 70 | 74 | Mamani-naio savanna | Mamani- and naio-dominated lowland forests and woodlands with microphyllous shrub understory occur in the subalpine zones throughout the Hawaiian Islands. | FB_0074_FCCS.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0074_FCCS.xml | |
| 71 | 75 | Slash pine/New Caledonia pine forest | This fuelbed is a plantation of slash pine with New Caledonia pine in the understory, found in Hawaii. | FB_0075_FCCS.xml | Conifer Forest | Introduction of Exotic Species | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0075_FCCS.xml | |
| 72 | 76 | Slash pine/molasses grass forest | This fuelbed is a plantation of slash pine with molasses grass (Melinus minutiflora) in the understory, planted on the dry uplands of Hawaii. | FB_0076_FCCS.xml | Conifer Forest | Introduction of Exotic Species | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0076_FCCS.xml | |
| 73 | 77 | Eucalyptus plantation forest | This fuelbed represents the eucalyptus plantations common in Hawaii. | FB_0077_FCCS.xml | Broadleaf Forest | Introduction of Exotic Species | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0077_FCCS.xml | |
| 74 | 78 | Florida hopbush-Mauna Loa beggarticks shrubland | This fuelbed represents shrublands of Florida hopbush (Dodonaea viscosa) and other microphyllous shrubs occurring from near sea level into the subalpine zones of Hawaii. | FB_0078_FCCS.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0078_FCCS.xml | |
| 75 | 79 | Pili grass-broomsedge bluestem grassland | Pili grass (Heteropogon contours) is a vigorous native bunchgrass of the Hawaiian coastal lowlands. This fuelbed represents a Pili grassland that contains nonnative grasses such as broomsedge bluestem. | FB_0079_FCCS.xml | Grassland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0079_FCCS.xml | ||
| 76 | 80 | Fountain grass grassland | This fuelbed represents Hawaiian grasslands invaded by fountain grass (Pennisetum setaceum). This nonnative bunchgrass is particularly invasive on the leeward side of the islands below 4,000 feet. | FB_0080_FCCS.xml | Grassland | Introduction of Exotic Species | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 420: Rainforest | FB_0080_FCCS.xml | |
| 77 | 81 | Pukiawe/Columbia bluestem grassland | This fuelbed represents nonnative grasslands dominated by Colombian bluestem (Schizachyrium condensatum) with scattered pukiawe (Styphelia tameiameiae) and other microphyllous shrubs that occur in the Hawaiian lowlands. | FB_0081_FCCS.xml | Grassland | Introduction of Exotic Species | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0081_FCCS.xml | |
| 78 | 82 | White leadtree/Guinea grass shrubland | This Hawaiian shrubland fuelbed is dominated by white leadtree (Leucaena leucocephala) and other mixed microphyllous shrubs with a dense herbaceous layer composed of the exotic bunchgrass Guinea grass (Urochloa maxima). | FB_0082_FCCS.xml | Shrubland | Introduction of Exotic Species | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0082_FCCS.xml | |
| 79 | 83 | Molasses grass grassland - invaded by exotic species | This Hawaiian submontane grassland fuelbed is dominated by molasses grass (Melinis minutiflora), a nonnative sodgrass. Molasses grass is found in dry and mesic environments from sea level to 4,500 feet throughout the Hawaiian Islands. | FB_0083_FCCS.xml | Grassland | Introduction of Exotic Species | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 420: Rainforest | FB_0083_FCCS.xml | |
| 80 | 84 | Ohia/Broomsedge bluestem savanna - invaded by exotic species | Broomsedge bluestem (Andropogon virginicus) is a nonnative fine bunchgrass that has invaded the grasslands of Hawaii. It is the dominant grass species in this savanna fuelbed with scattered ohia trees. | FB_0084_FCCS.xml | Savanna | Introduction of Exotic Species | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 420: Rainforest | FB_0084_FCCS.xml | |
| 81 | 85 | Black spruce/lichen forest | Black spruce woodland fuelbed with a lichen and feathermoss forest floor, between 50 and 150 years old. Found on cold, well-drained uplands in interior, western, and southcentral Alaska. This fuelbed is comparable to the black spruce woodland of Viereck et al. (1992). | FB_0085_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 204: Black spruce | FB_0085_FCCS.xml |
| 82 | 86 | Black spruce/feathermoss woodland | Black spruce woodland fuelbed with a feathermoss forest floor, between 50 and 150 years old. Found on floodplains and uplands in interior, western, and southcentral Alaska. This fuelbed is comparable to the black spruce woodland of Viereck et al. (1992). | FB_0086_FCCS.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 204: Black spruce | FB_0086_FCCS.xml |
| 83 | 87 | Black spruce/feathermoss forest | Black spruce forest fuelbed with a feathermoss forest floor, between 50 and 150 years old. Found on floodplains and uplands in interior and southcentral Alaska. This fuelbed is comparable to the closed black spruce forest of Viereck et al. (1992). | FB_0087_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 204: Black spruce | FB_0087_FCCS.xml |
| 84 | 88 | Black spruce/sphagnum moss forest | Black spruce woodland fuelbed with a sphagnum moss forest floor, between 50 and 150 years old. Found on cold, wet sites, often near tree line, in interior, western, and southcentral Alaska. This fuelbed is comparable to the black spruce dwarf tree woodland of Viereck et al. (1992). | FB_0088_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 204: Black spruce | FB_0088_FCCS.xml |
| 85 | 89 | Black spruce/cottonsedge woodland | Black spruce woodland fuelbed with a cottongrass (Eriophorum spp.) tussock understory, between 50 and 150 years old. Found on cold, wet sites, often near tree line, in interior, western, and southcentral Alaska. This fuelbed is comparable to the black spruce dwarf tree woodland of Viereck et al. (1992). | FB_0089_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 204: Black spruce | FB_0089_FCCS.xml |
| 86 | 90 | White oak-northern red oak forest | White oak and northern red oak dominated forest in the Midwest. Occurs on dry-mesic sites with flat to rolling topography throughout the central and northcentral eastern U.S. (generally at elevations below 1,100 feet). Other canopy components can include black hickory, shagbark hickory, maples, and other Midwest oaks such as bur oak and pin oak depending on geographic location. This fuelbed represents stands greater than 50 years old. | FB_0090_FCCS.xml | Broadleaf Forest | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 220: Hot Continental 250: Prairie 230: Subtropical 210: Warm Continental | SAF 53: White oak SAF 55: Northern red oak | FB_0090_FCCS.xml |
| 87 | 91 | White spruce/prickly rose forest | White spruce forest with a prickly rose (Rosa acicularis) understory and a feathermoss forest floor, between 100 and 200 years old. Found on floodplains in interior, western, and southcentral Alaska. This fuelbed is comparable to the open white spruce forest of Viereck et al. (1992). | FB_0091_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 201: White spruce | FB_0091_FCCS.xml |
| 88 | 92 | Quaking aspen-paper birch-white spruce-black spruce forest | Quaking aspen and paper birch forest undergoing succession to white and black spruce forest, between 50 and 100 years old. Found on floodplains and uplands in interior and southcentral Alaska. This fuelbed is comparable to the closed spruce-paper birch-quaking aspen forest of Viereck et al. (1992). | FB_0092_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 201: White spruce SAF 251: White spruce-aspen SAF 202: White spruce-paper birch SAF 253: Black spruce-white spruce SAF 254: Black spruce-paper birch | FB_0092_FCCS.xml |
| 89 | 93 | Paper birch-quaking aspen forest | Paper birch and quaking aspen forest, between 25 and 75 years old. Found on uplands in interior and southcentral Alaska. This fuelbed is comparable to the closed paper birch -- quaking aspen forest of Viereck et al. (1992). | FB_0093_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 252: Paper birch SAF 217: Aspen (western) | FB_0093_FCCS.xml |
| 90 | 94 | Balsam poplar-quaking aspen forest | Balsam poplar and quaking aspen forest, between 25 and 100 years old. Found on floodplains in interior, western, and southcentral Alaska. This fuelbed is comparable to the closed quaking aspen -- balsam poplar forest of Viereck et al. (1992). | FB_0094_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 203: Balsam poplar SAF 217: Aspen (western) | FB_0094_FCCS.xml |
| 91 | 95 | Willow-mountain alder shrubland | Willow and alder shrubland. Found on floodplains and along streams and beaches throughout Alaska, and at transitions from forested to non-forested areas. This fuelbed is comparable to the closed tall alder -- willow shrub community of Viereck et al. (1992). | FB_0095_FCCS.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic | SRM 901: Alder (Alaska) SRM 921: Willow | FB_0095_FCCS.xml |
| 92 | 97 | Cottongrass grassland | Cottongrass (Eriophorum spp.) and sedge (Carex spp.) tussock tundra with low ericaceous shrubs, sphagnum moss, and lichens. Found over permafrost throughout much of Alaska, but primarily in northern and western Alaska. This fuelbed is comparable to the tussock tundra of Viereck et al. (1992). | FB_0097_FCCS.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic | SRM 918: Tussock tundra | FB_0097_FCCS.xml |
| 93 | 98 | Marsh labrador tea-lingonberry tundra shrubland | Low ericaceous shrub tundra dominated by Labrador tea (Ledum groenlandicum), lingonberry (Vaccinium vitus-idaea), and blueberry (Vaccinium spp.). Found on uplands in interior, western, and northern Alaska. This fuelbed is comparable to the Vaccinium dwarf shrub tundra of Viereck et al. (1992). | FB_0098_FCCS.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic | SRM 911: Lichen tundra SRM 912: Low scrub shrub birch-ericaceous | FB_0098_FCCS.xml |
| 94 | 99 | Bluejoint reedgrass grassland | Bluejoint reedgrass (Calamagrostis canadensis) meadow. Found on nearly every type of topography throughout Alaska, with the exception of windswept alpine sites. This fuelbed is comparable to the bluejoint meadow of Viereck et al. (1992). | FB_0099_FCCS.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic | SRM 905: Bluejoint reedgrass | FB_0099_FCCS.xml |
| 95 | 100 | Altai fescue grassland | Grassland dominated by medium height grasses such as fescue and hair grasses. Found on moist sites throughout Alaska. This fuelbed is comparable to the midgrass -- herb vegetation type of Viereck et al. (1992). | FB_0100_FCCS.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic | SRM 908: Fescue SRM 910: Hairgrass | FB_0100_FCCS.xml |
| 96 | 101 | White spruce forest | White spruce forest with a feathermoss forest floor, between 100 and 200 years old. Found on well-drained floodplains and uplands throughout Alaska. This fuelbed is comparable to the closed white spruce forest of Viereck et al. (1992). | FB_0101_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 201: White spruce | FB_0101_FCCS.xml |
| 97 | 102 | White spruce forest with beetle damage | White spruce forest fuelbed with a feathermoss forest floor, between 100 and 200 years old. The larger white spruce (greater than 5 inches dbh) have recently been attacked by spruce bark beetles. Found on well-drained floodplains and uplands in southcentral Alaska. | FB_0102_FCCS.xml | Conifer Forest | Insects and Disease | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 130: Subarctic | SAF 201: White spruce | FB_0102_FCCS.xml |
| 98 | 103 | White spruce-paper birch forest | White spruce and paper birch forest undergoing succession to white spruce forest, with a feathermoss and birch litter forest floor. This stand is between 50 and 150 years old. Similar sites are found on well-drained floodplains and uplands throughout Alaska. This fuelbed is comparable to the closed spruce-paper birch forest of Viereck et al. (1992). | FB_0103_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 201: White spruce SAF 202: White spruce-paper birch SAF 252: Paper birch | FB_0103_FCCS.xml |
| 99 | 104 | White spruce-paper birch forest with beetle damage | White spruce and paper birch forest with a feathermoss and birch litter forest floor. This stand is between 50 and 150 years old. The larger white spruce (greater than 5 in. dbh) have recently been attacked by spruce bark beetles. Found on well-drained floodplains and uplands in southcentral Alaska. | FB_0104_FCCS.xml | Mixed Forest | Insects and Disease | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 130: Subarctic | SAF 201: White spruce SAF 202: White spruce-paper birch SAF 252: Paper birch | FB_0104_FCCS.xml |
| 100 | 105 | Paper birch-quaking aspen-white spruce forest | Paper birch and quaking aspen forest undergoing succession to white spruce forest, between 50 and 100 years old. Found on floodplains and uplands in interior and southcentral Alaska. This fuelbed is comparable to the closed spruce -- paper birch -- quaking aspen forest of Viereck et al. (1992). | FB_0105_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 201: White spruce SAF 202: White spruce-paper birch SAF 217: Aspen (western) SAF 251: White spruce-aspen SAF 252: Paper birch | FB_0105_FCCS.xml |
| 101 | 106 | Red spruce-balsam fir forest - post windthrow | Mature red spruce -- balsam fir forest after spruce budworm infestation 1 to 15 years previously. Generally occurs at elevations between 800 to 3,000 feet; elevation decreases with increases in latitude. | FB_0106_FCCS.xml | Conifer Forest | Insects and Disease | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental | SAF 33: Red spruce-balsam fir | FB_0106_FCCS.xml |
| 102 | 107 | Pitch pine/scrub oak forest | Woodlands dominated by pitch pine on low elevation dry sites, often on sands or exposed ledges. Occurs along north Atlantic coastal plain north to midcoast Maine, west to central New York and south into the southern Appalachian Mountains to Virginia. In the northern end of its range, this type generally occurs lower than 1,700 in elevation, while farther south it occurs between 1,500 and 4,000 feet. This fuelbed was established after fire more than 50 years previously. The canopy may also contain other pine species depending on geographic location. | FB_0107_FCCS.xml | Mixed Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental 230: Subtropical | SAF 45: Pitch pine | FB_0107_FCCS.xml | |
| 103 | 109 | Eastern white pine-northern red oak-red maple forest | Eastern white pine and northern red oak are dominant with red maple as a common canopy associate. Northern hardwood species such as beech, birch, ash, and sugar maple may also be present. This forest type extends through New England west and south along the Appalachian Mountains, typically lower than 3,000 feet in elevation. This fuelbed represents a forest from 50 to 100 years old. | FB_0109_FCCS.xml | Mixed Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental | SAF 20: White pine-northern red oak-red maple | FB_0109_FCCS.xml | |
| 104 | 110 | American beech-yellow birch-sugar maple forest | Northern hardwoods forest dominated by beech, birch, and sugar maple. One of the most common forests in north central to northeastern North America, generally occurring below 2,500 feet in elevation. This fuelbed may occur on former farm fields, around settled areas, or on industrial forestlands, and represents stands greater than 60 years old with a history of selective tree harvest. | FB_0110_FCCS.xml | Broadleaf Forest | Selection Cut (thin large diameter) | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | SAF 25: Sugar maple-beech-yellow birch SAF 108: Red maple SAF 19: Gray birch-red maple | FB_0110_FCCS.xml |
| 105 | 114 | Virginia pine-pitch pine-shortleaf pine forest | Dry pine forest, typically dominated by a mixture of Virginia pine, pitch pine, and shortleaf pine. The deciduous tree component increases with fire exclusion. This forest type is found primarily on upper slopes and ridgetops of the southern Appalachian Mountains up to 2,500 feet in elevation. This forest type can occur on xeric soils in Alabama, Georgia, Indiana, Kentucky, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Virginia, and West Virginia. This fuelbed represents stands from 40 to 80 years old. | FB_0114_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 230: Subtropical | SAF 45: Pitch pine SAF 75: Shortleaf pine SAF 79: Virginia pine | FB_0114_FCCS.xml |
| 106 | 115 | Rhododendron-blueberry-mountain laurel shrubland | Heath balds found on upper slopes and ridgetops generally above 3,500 feet in elevation in the southern Appalachian Mountains in Tennessee, North Carolina, Kentucky, Georgia, Virginia and potentially in Alabama, South Carolina, and West Virginia. This vegetation type can originate from small-scale disturbances such as landslides, windfall and localized fires, or can persist for many decades at higher elevations and on exposed rocky sites. Most examples of this shrubland are at least 100 years old. | FB_0115_FCCS.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | FB_0115_FCCS.xml | |
| 107 | 120 | Oak-pine/mountain laurel forest | Predominantly old-growth oak -- pine / mountain laurel forest throughout the Appalachian Mountains on ridges and slopes from 1,000 to 3,500 feet in elevation and characterized by a mixed oak and pine overstory with a very dense mountain laurel (Kalmia latifolia) shrub layer. This forest type, with a shortleaf pine component, also occurs in the Ouachita and Ozark mountains of the Midwest. Fire exclusion (50+ years) promotes dominance of oaks and other hardwoods. | FB_0120_FCCS.xml | Mixed Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 210: Warm Continental 220: Hot Continental 230: Subtropical | SAF 45: Pitch pine SAF 76: Shortleaf pine-oak SAF 78: Virginia pine-oak | FB_0120_FCCS.xml |
| 108 | 121 | Oak-pine/mountain laurel forest with beetle damage | Predominantly old-growth oak -- pine / mountain laurel forest throughout the Appalachian Mountains on ridges and slopes from 1,000 to 3,500 feet in elevation and characterized by a mixed oak and pine overstory with a very dense mountain laurel shrub layer. The canopy pine component of this fuelbed has been reduced by southern pine beetle damage that occurred about 10 years previously. | FB_0121_FCCS.xml | Mixed Forest | Insects and Disease | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 210: Warm Continental 220: Hot Continental 230: Subtropical | SAF 45: Pitch pine SAF 76: Shortleaf pine-oak SAF 78: Virginia pine-oak | FB_0121_FCCS.xml |
| 109 | 123 | White oak-northern red oak-black oak-hickory forest | Found on dissected hills and valleys from about 300 to 600 feet in elevation. This fuelbed includes oak -- hickory forests in the central U.S. (Illinois, Missouri, Arkansas and surrounding areas) and in the east from Georgia into New Hampshire. These forests are second growth and fire has been excluded for at least 40 to 50 years. Fire exclusion favors establishment of red maple and reduces oak regeneration. | FB_0123_FCCS.xml | Broadleaf Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 210: Warm Continental 220: Hot Continental 230: Subtropical 250: Prairie | SAF 52: White oak-black oak-northern red oak | FB_0123_FCCS.xml |
| 110 | 124 | Pitch pine-oak forest | Pitch pine- and oak-dominated forests on dry soils in the northeastern U.S. most commonly occur in New York, New Jersey, Connecticut, and Pennsylvania, but similar forests range north into Maine. This fuelbed represents stands greater than 60 years old. | FB_0124_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | SAF 45: Pitch pine | FB_0124_FCCS.xml |
| 111 | 125 | Oak-hickory-pine-eastern hemlock forest | Oak -- hickory -- pine -- eastern hemlock forest occur on dissected hills and valleys, from about 300 to 600 feet in elevation. Eastern hemlock occurs predominately in moist coves and along north-facing slopes while pine species occur on drier sites. | FB_0125_FCCS.xml | Mixed Forest | None | 220: Hot Continental | SAF 52: White oak-black oak-northern red oak | FB_0125_FCCS.xml | |
| 112 | 129 | Green ash-American elm forest | This fuelbed represents stands of 40- to 70-year-old bottomland hardwood forests dominated by green ash and American elm and other mixed hardwoods including oak species, black walnut, hackberry, sugarberry, and maples. Such forests occur throughout the southeastern and central U.S. | FB_0129_FCCS.xml | Broadleaf Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 230: Subtropical | SAF 93: Sugarberry-American elm-green ash | FB_0129_FCCS.xml | |
| 113 | 131 | Bluestem-Indian grass-switchgrass grassland | This grassland fuelbed is a tallgrass prairie with low to moderate shrub cover and few if any trees present, and occurs throughout central North America. Encroaching trees can include oaks, juniper, elm, hackberry, cottonwood, or honey locust. Time since fire ranges from 1 to 10 years. | FB_0131_FCCS.xml | Grassland | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental 250: Prairie 330: Temperate Steppe | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0131_FCCS.xml |
| 114 | 133 | Tall fescue-foxtail-purple bluestem grassland | This grassland fuelbed is found throughout central North America. It represents old pastures or agricultural fields that were converted from tallgrass prairie; the old fields are dominated by nonnative grasses. Recently abandoned fields (1-3 years) have few trees while older fields (3-15 years) generally have higher tree/shrub cover. | FB_0133_FCCS.xml | Savanna | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 210: Warm Continental 220: Hot Continental 250: Prairie 330: Temperate Steppe | SRM 804: Tall fescue | FB_0133_FCCS.xml | |
| 115 | 134 | White oak-northern red oak-hickory forest | Oak -- hickory forests are found throughout the central and eastern U.S. This slash fuelbed represents 1- to 2-year-old clearcut oak -- hickory forests. The slash has leaves attached because harvest occurred during the growing season, and scattered trees are present. | FB_0134_FCCS.xml | Slash | Clearcut | 210: Warm Continental 220: Hot Continental 230: Subtropical 250: Prairie | SAF 52: White oak-black oak-northern red oak | FB_0134_FCCS.xml | |
| 116 | 135 | Eastern redcedar-oak/bluestem savanna | Cedar glades and cedar -- hardwood woodlands characterized by open eastern redcedar overstory often with a bluestem-dominated herbaceous layer on thin soils over calcareous substrates. This fuelbed type occurs in Tennessee, Alabama, Missouri, and Arkansas. Scattered occurrences of similar vegetation are found on alkaline soils throughout the central and northeastern U.S. | FB_0135_FCCS.xml | Savanna | None | 220: Hot Continental 250: Prairie | SAF 46: Eastern redcedar SRM 733: Juniper-oak SRM 803: Missouri glade | FB_0135_FCCS.xml | |
| 117 | 138 | Red pine-eastern white pine forest | Old growth red and white pine forests are found throughout the upper Great Lakes States. Most forests of this type have undergone fire exclusion for 50+ years. Old growth forests in this area are highly susceptible to windthrow during severe thunderstorms. Similar forests occur in the Northeast. | FB_0138_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental | SAF 15: Red pine SAF 21: Eastern white pine | FB_0138_FCCS.xml |
| 118 | 140 | Jack pine/black spruce forest | Low elevation jack pine forests that are part of the southern boreal forest in Minnesota and Michigan. Jack pine dominates the overstory while black spruce dominates the midstory and understory. This fuelbed represents stands from 30 to 70 years old. | FB_0140_FCCS.xml | Conifer Forest | Fire Exclusion | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SAF 1: Jack pine | FB_0140_FCCS.xml |
| 119 | 142 | Quaking aspen-paper birch forest | Aspen and birch forest of the northern Great Lake States and adjacent Canadian provinces. Elevation ranges from 600 to 1,200 feet. This fuelbed represents stands less than 60 years old. | FB_0142_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | SAF 16: Aspen (eastern) SAF 18: Paper birch | FB_0142_FCCS.xml |
| 120 | 143 | Quaking aspen-paper birch-white spruce-balsam fir forest | Southern boreal mixed forest dominated by quaking aspen and paper birch with white spruce and balsam fir in the overstory and midstory. Black spruce, pines and other conifers are also possible canopy components. This forest type develops after clearcutting and stand replacing fires. Early seral forest is dominated by hardwoods, but over time spruce and fir become more important canopy components. This fuelbed represents stands from 20 to 70 years old. | FB_0143_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SAF 12: Black spruce SAF 16: Aspen (eastern) SAF 18: Paper birch | FB_0143_FCCS.xml |
| 121 | 146 | Mature jack pine forest | Dry jack pine forest found at low elevations throughout the northern Great Lake States on outwash soils and in the northeastern U.S. This fuelbed represents a mature forest, without fire for about 75 years. | FB_0146_FCCS.xml | Conifer Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental | SAF 1: Jack pine | FB_0146_FCCS.xml |
| 122 | 147 | Jack pine savanna | Open jack pine savanna occurs in the northern Great Lake States on dry soils. | FB_0147_FCCS.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SAF 1: Jack pine | FB_0147_FCCS.xml |
| 123 | 148 | Young jack pine forest | Young jack pine forest occurs at low elevations throughout northern Great Lake States on outwash soils. This fuelbed represents a regenerating jack pine stand 15 years after fire. | FB_0148_FCCS.xml | Conifer Forest | Wildfire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SAF 1: Jack pine | FB_0148_FCCS.xml |
| 124 | 152 | Red pine-white pine forest - spruce budworm | Old growth red pine -- white pine forest after severe windthrow. This fuelbed describes loadings 1-2 years after large windstorm events (such as the July 4, 1999 storm in Minnesota). | FB_0152_FCCS.xml | Slash | Windthrow | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 210: Warm Continental 220: Hot Continental | SAF 15: Red pine SAF 21: Eastern white pine | FB_0152_FCCS.xml |
| 125 | 154 | Bur oak savanna | Oak woodlands or savannas bordering and occurring within prairie-dominated regions. These savannas are generally dominated by bur oak. This savanna type is maintained by fire and is found from South Dakota west into Wyoming, south into Oklahoma, and east into Missouri and Iowa. The structure of this fuelbed is fairly homogeneous, although canopy species, shrubs and herbaceous vegetation vary throughout this region. Fire exclusion has allowed encroachment of other oaks and mixed deciduous species. | FB_0154_FCCS.xml | Savanna | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 330: Temperate Steppe | SAF 42: Bur oak (eastern) SAF 236: Bur oak (western) SRM 801: Savanna | FB_0154_FCCS.xml |
| 126 | 155 | Red spruce-balsam fir forest | Mature red spruce -- balsam fir forest which generally occurs between 800 and 3,000 feet. Fire frequency has increased since European occupation. Red spruce -- balsam fir forests are susceptible to spruce budworm infestations. This fuelbed is described from a site that was clearcut for agricultural use and abandoned over 100 years previously. | FB_0155_FCCS.xml | Conifer Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental | SAF 33: Red spruce-balsam fir | FB_0155_FCCS.xml |
| 127 | 156 | Slash pine plantation forest | Slash pine forest planted after a clearcut harvest less than 45 years previously. Slash pine plantations are common throughout the Southeast coastal plain and southern Piedmont regions. This fuelbed represents a stand that was commercially thinned about 2 years previously with thinning slash present. | FB_0156_FCCS.xml | Conifer Forest | Thinning (thin from below) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 84: Slash pine | FB_0156_FCCS.xml |
| 128 | 157 | Loblolly-shortleaf pine-mixed hardwood forest | Maturing (>45 years old), second growth loblolly pine and shortleaf pine forests occurring throughout the interior of the Southeast coastal plain. Scattered slash pine and longleaf pine may be present. Longer intervals between disturbances (i.e., fires and logging) favor hardwood dominance. | FB_0157_FCCS.xml | Mixed Forest | None | 230: Subtropical | SAF 80: Loblolly pine-shortleaf pine | FB_0157_FCCS.xml | |
| 129 | 158 | Loblolly-shortleaf pine-mixed hardwood forest with beetle damage | Maturing (>45 years old), second growth loblolly and shortleaf pine forests occurring throughout the interior of the Southeast coastal plain. Various hardwood species are codominant in the canopy. This fuelbed represents a stand approximately 10-12 years after southern pine beetle infestation. | FB_0158_FCCS.xml | Mixed Forest | Insects and Disease | 230: Subtropical | SAF 80: Loblolly pine-shortleaf pine | FB_0158_FCCS.xml | |
| 130 | 161 | Loblolly-slash pine plantation | Conservation Reserve Program (CRP) plantations found throughout the southeastern U.S. This description based on a 20-year-old CRP plantation on medium site index. Sparse shrub and herbaceous layers. This fuelbed based on loblolly pine, but slash pine is also planted in CRP plantations. | FB_0161_FCCS.xml | Conifer Forest | None | 230: Subtropical | SAF 81: Loblolly pine SAF 84: Slash pine | FB_0161_FCCS.xml | |
| 131 | 162 | Loblolly-slash pine plantation - post thin | Conservation Reserve Program (CRP) plantations found throughout the southeastern U.S. This description based on a 20-year-old CRP plantation on medium site index commercially thinned 5 years previously. Sparse shrub and herbaceous layers. This fuelbed based on loblolly pine, but slash pine is also planted in CRP plantations. | FB_0162_FCCS.xml | Conifer Forest | Thinning (thin from below) | 230: Subtropical | SAF 81: Loblolly pine SAF 84: Slash pine | FB_0162_FCCS.xml | |
| 132 | 164 | Sand pine forest | Xeric sand pine scrub forests, 20 to 60 years old, occurring along the central ridge of Florida and coastal Alabama and Florida, with a relatively closed canopy dominated by sand pine with scrub oaks in the understory. | FB_0164_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 69: Sand pine | FB_0164_FCCS.xml |
| 133 | 165 | Longleaf pine/three-awned grass-pitcher plant savanna - managed with prescribed fire | Mesic to wet savannas with very open, scattered longleaf pine over a diverse herbaceous layer dominated by grasses and many forb species, 2-3 years after prescribed fire. History of periodic prescribed fire maintains herbaceous layer diversity by reducing cover native and nonative understory shrubs and trees. | FB_0165_FCCS.xml | Savanna | Prescribed Fire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 410: Savanna | SAF 70: Longleaf pine SRM 812: North Florida flatwoods SRM 821: Pitcher plant bogs | FB_0165_FCCS.xml |
| 134 | 166 | Longleaf pine/three-awned grass-pitcher plant savanna - fire exclusion | Canopy of longleaf pine with a sparse to very dense shrub layer and a diverse herbaceous layer. The small tree-shrub layer increases in cover with fire exclusion, generally occurring in patches rather than continuous strata; species include wax myrtle (Morella cerifera), sweetbay magnolia (Magnolia virginiana), titi (Cyrilla racemiflora), and gallberry (Ilex glabra). This description is typical of a site with more than 25 years of fire exclusion. | FB_0166_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical 410: Savanna | SAF 70: Longleaf pine SRM 812: North Florida flatwoods SRM 821: Pitcher plant bogs | FB_0166_FCCS.xml |
| 135 | 168 | Gallberry-fetterbush shrubland | Low pocosins are an evergreen and deciduous shrub bog with a dense shrub stratum and a few emergent pond pines. Low pocosin is distinguished by organic soil (peat) depth of greater than 5 feet. The shrubs are from 5 to 10 feet tall. Low pocosin occurs on the coastal plain from Virginia to Florida but is mostly restricted to the outer coastal plain of North Carolina. Age ranges from 10 to 50 years since fire. | FB_0168_FCCS.xml | Shrubland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 98: Pond pine | FB_0168_FCCS.xml |
| 136 | 170 | Pond pine/gallberry-fetterbush shrubland | High pocosin shrublands range from Virginia south to Florida on the coastal plain. High pocosin is an evergreen and deciduous shrub bog with emergent trees over a dense shrub understory on organic soils (peat) less than 5 feet deep. The canopy stratum is dominated by pond pine and loblolly bay. Age ranges from 20 to 60 years since fire. | FB_0170_FCCS.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 98: Pond pine | FB_0170_FCCS.xml |
| 137 | 173 | Live oak/sea oats savanna | Coastal dune savanna with live oak over diverse assemblage of dune grasses and forbs and salt tolerant shrubs. The degree of canopy and shrub cover varies widely depending on proximity to coast and level of protection by foredunes. Occurs on dry sandy soils near the southern Atlantic and Gulf coasts. In some parts of the range, pines may also occur as scattered individuals in the canopy. | FB_0173_FCCS.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 89: Live oak SRM 723: Sea oats | FB_0173_FCCS.xml |
| 138 | 174 | Live oak-sabal palm forest | Maritime forests found principally on the lee sides of dunes throughout the southern Atlantic and Gulf Coastal plains in Virginia, North Carolina, South Carolina, Georgia, Florida and Alabama. The area closer to the coast may be wind-pruned, but further inland trees are more protected and reach normal heights. | FB_0174_FCCS.xml | Mixed Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 74: Cabbage palmetto SRM 816: Cabbage palm hammocks SRM 817: Oak hammocks | FB_0174_FCCS.xml |
| 139 | 175 | Smooth cordgrass-black needlerush grassland | Tidal marsh vegetation occurring on the Atlantic coast from Maine to northeastern Florida and along the Gulf Coast to Texas dominated by smooth cordgrass (Spartina alterniflora) and black needlerush (Juncus roemerianus). | FB_0175_FCCS.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SRM 806: Gulf coast salt marsh SRM 818: Florida salt marsh | FB_0175_FCCS.xml |
| 140 | 176 | Smooth cordgrass-black needlerush grassland invaded by common reed | Common reed (Phragmites australis) invasion of a black needlerush and smooth cordgrass southern marsh. Invasion by common reed often results from changes in hydrology, particularly reductions of tidal energy and salinity (i.e., through dikes or tide gates), increases of sedimentation or by increased nutrient inputs. This fuelbed is most common in the north and mid-Atlantic States, but is increasing in the Gulf States as well. Invasion by common reed, a native weedy species, began 5 to 10 years previously. | FB_0176_FCCS.xml | Grassland | Introduction of Exotic Species | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SRM 818: Florida salt marsh | FB_0176_FCCS.xml |
| 141 | 178 | Loblolly-shortleaf pine forest - 10-15 years post clearcut | Dense, naturally regenerating, predominantly loblolly pine and shortleaf pine forest occurring throughout the interior of the southeastern coastal plain. Clearcut 10 to 15 years previously. Scattered slash pine and longleaf pine may be present, depending on geographic location. Various hardwood species may be co-dominant in the canopy. | FB_0178_FCCS.xml | Conifer Forest | 230: Subtropical | SAF 80: Loblolly pine-shortleaf pine | FB_0178_FCCS.xml | ||
| 142 | 180 | Red maple-oak-hickory-sweetgum forest | A 50- to 80-year-old upland red maple, oak, hickory, and sweetgum forest primarily in the Piedmont of the southeastern U.S. Larger canopy trees have been removed by logging at many locations in the last 50-75 years. | FB_0180_FCCS.xml | Broadleaf Forest | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 230: Subtropical | SAF 52: White oak-black oak-northern red oak SAF 53: White oak | FB_0180_FCCS.xml | |
| 143 | 181 | Pond pine forest | Pond pine dominated woodland occurs in coastal areas of North Carolina and less frequently in Florida and South Carolina. This fuelbed represents 50- to 90-year old stands with somewhat open canopies. | FB_0181_FCCS.xml | Conifer Forest | None | 230: Subtropical | SAF 98: Pond pine | FB_0181_FCCS.xml | |
| 144 | 182 | Longleaf pine-slash pine/saw palmetto-gallberry forest - fire exclusion | Longleaf pine and slash pine forest occurring throughout the southeastern coastal plain from Virginia south to Florida and west to into Texas characterized by an overstory of longleaf pine and slash pine and a shrub layer dominated by saw palmetto (Serenoa repens) and/or gallberry (Ilex glabra). Saw palmetto is less important or not present in the Carolinas and Virginia. Fire exclusion for 30 or more years. | FB_0182_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 83: Longleaf pine-slash pine | FB_0182_FCCS.xml |
| 145 | 183 | Loblolly-shortleaf pine forest - precommercial thin | This fuelbed describes a 10- to 15-year-old second growth forest, predominantly composed of loblolly and shortleaf pine, and occurring throughout the interior of the southeastern coastal plain. Scattered slash pine and longleaf pine may also be included, depending on geographic location. Various hardwood species may be co-dominant in the canopy. The dense, naturally-regenerating forest was precommercially thinned less than 1 year previously to reduce stocking. Thinning slash and shrubs are the primary fuels. | FB_0183_FCCS.xml | Conifer Forest | Thinning (thin from below) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 80: Loblolly pine-shortleaf pine | FB_0183_FCCS.xml |
| 146 | 184 | Longleaf pine/turkey oak forest 20 yr postfire | Xeric longleaf pine -- turkey oak forests occurring throughout the Southeast coastal plain from Virginia south to Florida and west into Texas on well-drained soils, about 20 years after fire. Fire exclusion increases oak component and sand pine, slash pine, and loblolly pine. The typical lower canopy layer is dominated by turkey oak with other mixed oaks often including bluejack oak and sand live oak. Depending on geographic location, other oaks may occur as canopy associates. | FB_0184_FCCS.xml | Mixed Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 71: Longleaf pine-scrub oak SRM 810: Longleaf pine-turkey oak hills | FB_0184_FCCS.xml |
| 147 | 185 | Longleaf pine/turkey oak forest 1-2 yr postfire | Xeric longleaf pine -- turkey oak forests occurring throughout the Southeast coastal plain from Virginia south to Florida and west into Texas on well-drained soils with a history of regular prescribed fire. This fuelbed represents a stand 1 to 2 years after prescribed fire. | FB_0185_FCCS.xml | Mixed Forest | Prescribed Fire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 71: Longleaf pine-scrub oak SRM 810: Longleaf pine-turkey oak hills | FB_0185_FCCS.xml |
| 148 | 186 | Turkey oak-bluejack oak forest | Oak scrub forest in dry pine -- oak forest regions throughout the Southeast coastal plain after long-term fire exclusion or removal of overstory pine species or as long-term dominant vegetation on xeric sites. Depending on the geographic location of the type, many oak species may occur, including blackjack oak, sand live oak, sand post oak, myrtle oak, Arkansas oak, post oak, and live oak. | FB_0186_FCCS.xml | Broadleaf Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical 250: Prairie | SAF 71: Longleaf pine-scrub oak SAF 72: Southern scrub oak | FB_0186_FCCS.xml |
| 149 | 187 | Longleaf pine/yaupon forest | Xeric longleaf pine forests, occurring throughout the Southeast coastal plain from Virginia south to Florida and west into Texas on well-drained soils, with mechanical reduction of midstory oaks less than 1 year previously. Fire exclusion favors sand pine, turkey oaks and other scrubby oaks. Restoration efforts often include sand pine and oak reduction through thinning or herbicides and prescribed burning. | FB_0187_FCCS.xml | Mixed Forest | Thinning (thin from below) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 71: Longleaf pine-scrub oak SRM 810: Longleaf pine-turkey oak hills | FB_0187_FCCS.xml |
| 150 | 188 | Sand pine-oak forest | Xeric sand pine scrub forests occurring along the central ridge of Florida and coastal Florida and Alabama with a relatively closed canopy dominated by sand pine and a dense to somewhat open subcanopy of mixed scrub oaks. This fuelbed represents a forest that regenerated from fire around 70 years previously. | FB_0188_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 69: Sand pine SRM 808: Sand pine scrub | FB_0188_FCCS.xml |
| 151 | 189 | Sand pine-oak forest with sparse understory | Xeric sand pine scrub forests occurring along the central ridge of Florida and coastal Florida and Alabama with an open overstory of sand pine and a dense subcanopy of mixed scrub oaks including myrtle oak, sand post oak, scrub oak, turkey oak, Chapman oak, and laurel oak. This fuelbed represents a 90- to 120-year old forest with a sparse overstory due to pine mortality. | FB_0189_FCCS.xml | Conifer Forest | Insects and Disease | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 69: Sand pine SRM 808: Sand pine scrub | FB_0189_FCCS.xml |
| 152 | 190 | Slash pine-longleaf pine/gallberry forest | Slash pine, longleaf pine, and gallberry forest occurring throughout the southeastern coastal plain from Virginia south to Florida and west to into Texas. Characterized by a dense overstory of longleaf pine and slash pine and a dense shrub layer dominated by gallberry (Ilex glabra). Fire has been excluded for 40 or more years. | FB_0190_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 83: Longleaf pine-slash pine SRM 812: North Florida flatwoods | FB_0190_FCCS.xml |
| 153 | 191 | Longleaf pine-slash pine/gallberry forest - managed with prescribed fire | This forest is found throughout the Southeast coastal plain from Virginia south to Florida and west to into Texas, and is characterized by an open overstory of longleaf pine with occasional slash pine. The shrub layer is moderate to very dense with clumps of gallberry (Ilex glabra). The herbaceous layer is sparse and dominated by wiregrasses (Aristida spp.) or bluestem (Andropogon spp.). Prescribed fire is used every 2-3 years to maintain an open structure and reduce shrub density. | FB_0191_FCCS.xml | Conifer Forest | Prescribed Fire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 83: Longleaf pine-slash pine SAF 71: Longleaf pine-scrub oak SRM 812: North Florida flatwoods | FB_0191_FCCS.xml |
| 154 | 196 | Loblolly pine/bluestem forest | Young loblolly pine plantation (2-10 years) in winter or spring with grasses fully cured (this fuelbed can be modified for other conditions by altering the percentage live in the nonwoody vegetation). | FB_0196_FCCS.xml | Conifer Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 81: Loblolly pine | FB_0196_FCCS.xml | |
| 155 | 203 | Sawgrass-Muhlenbergia grassland | Tropical wet prairies of southern Florida dominated by sawgrass (Cladium mariscus ssp. jamaicense) and muhly grass (Muhlenbergia filipes). This fuelbed represents an intact wet prairie. | FB_0203_FCCS.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 410: Savanna | SRM 819: Freshwater marsh and ponds | FB_0203_FCCS.xml |
| 156 | 208 | Grand fir-Douglas-fir forest | Mixed conifer forests dominated by grand fir occur in the northern Cascade Range and northern U.S. Rocky Mountains and usually occur at higher elevations in the mixed conifer zone and lower elevations of the subalpine zone. Grand fir is replaced by white fir in the southern Cascade Range, southern U.S. Rocky Mountains, and Sierra Nevada. This forest is over 200 years old. | FB_0208_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SAF 213: Grand fir SAF 229: Pacific Douglas-fir | FB_0208_FCCS.xml |
| 157 | 210 | Pinyon-Utah juniper woodland | Pinyon pine and juniper are common associates in the woodlands of the Great Basin. These woodlands have an extensive distribution throughout the Southwest and are especially well developed on mesas, plateaus, piedmonts, slopes and ridges from Colorado, Utah, Nevada, and southeastern California through Arizona, New Mexico, and Texas. Utah juniper can be replaced by alligator juniper, Rocky Mountain juniper, one-seed juniper, or other juniper species in some sites. | FB_0210_FCCS.xml | Conifer Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert 330: Temperate Steppe 340: Temperate Desert | SAF 239: Pinyon-juniper SRM 412: Juniper-pinyon woodland | FB_0210_FCCS.xml | |
| 158 | 211 | Ponderosa pine forest - high density | Interior West ponderosa pine forest with dense thickets of ponderosa pine. This fuelbed was developed based on data from Grand Canyon National Park. | FB_0211_FCCS.xml | Conifer Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SAF 237: Interior ponderosa pine | FB_0211_FCCS.xml |
| 159 | 212 | Ponderosa pine forest - post thin | Fire-excluded ponderosa pine forest has been selectively thinned to recreate an open stand of pine. Mistletoe-infested trees have been removed and the stand is prepared for prescribed burn treatment. This fuelbed was developed based on data from Lake Roosevelt National Recreation Area. | FB_0212_FCCS.xml | Conifer Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 330: Temperate Steppe | SAF 237: Interior ponderosa pine | FB_0212_FCCS.xml | |
| 160 | 213 | Wheatgrass-cheatgrass grassland - post prescribed burn | Native bunchgrass once dominated the Great Basin. Overgrazing, agriculture, and other disturbances have significantly altered these grasslands, which are now dominated by nonnative grass species. This fuelbed was developed for a grassland that was burned 2 years previously and is based on data from John Day Fossil Beds National Monument. | FB_0213_FCCS.xml | Grassland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 330: Temperate Steppe 340: Temperate Desert | SRM 101: Bluebunch wheatgrass SRM 102: Idaho fescue SRM 302: Bluebunch wheatgrass-Sandberg bluegrass | FB_0213_FCCS.xml | |
| 161 | 214 | Giant sequoia-white fir-sugar pine forest | Sequoia -- mixed conifer forests of the Sierra Nevada. This site was prescribed burned 10 years previously to reduce white fir establishment. This fuelbed was developed based on data from Sequoia and Kings Canyon National Parks. | FB_0214_FCCS.xml | Conifer Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SAF 243: Sierra Nevada mixed conifer | FB_0214_FCCS.xml |
| 162 | 215 | Douglas-fir-madrone/tanoak forest | Dry Douglas-fir forests with Pacific madrone and tanoak are common in the coastal Pacific Northwest from southern California to southern Oregon. A moderately severe wildfire burned through this forest 6 years previously. This fuelbed was developed based on data from the Silver Fire Recovery Project on the Galice Ranger District, Siskiyou National Forest. | FB_0215_FCCS.xml | Mixed Forest | Wildfire (ground) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean | SAF 234: Douglas-fir-tanoak-Pacific madrone | FB_0215_FCCS.xml |
| 163 | 216 | Gambel oak-bigtooth maple forest | Mixed forests of gambel oak with ponderosa pine, bigtooth maple, and other species occur in the intermountain West. Fire exclusion in this forest resulted in increased fuel loads. This fuelbed was developed based on data from Zion National Park. | FB_0216_FCCS.xml | Mixed Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert 330: Temperate Steppe | SRM 413: Gambel oak | FB_0216_FCCS.xml |
| 164 | 217 | Gambel oak-bigtooth maple forest - post prescribed burn | Mixed forests of gambel oak with ponderosa pine, bigtooth maple and other species occur in the intermountain West. This fuelbed represents a gambel oak -- bigtooth maple forest that was prescribed burned 5 years previously to reduce hazardous fuel loads. This fuelbed was developed based on data from Zion National Park. | FB_0217_FCCS.xml | Mixed Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SRM 413: Gambel oak | FB_0217_FCCS.xml |
| 165 | 218 | Gambel oak/big sagebrush shrubland | Gambel oak and sagebrush are often codominant in the shrublands of the southern and central Rocky Mountains of Arizona, New Mexico, Colorado, and Utah. The shrublands are maintained through wildfire. This fuelbed was developed based on data from Zion National Park. | FB_0218_FCCS.xml | Shrubland | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert | SRM 413: Gambel oak | FB_0218_FCCS.xml |
| 166 | 219 | Ponderosa pine-white fir/quaking aspen forest | Southwestern montane mixed conifer forest dominated by white fir, Douglas-fir, Engelmann spruce, and ponderosa pine with a sparse understory. This fuelbed was developed based on data from Grand Canyon National Park. | FB_0219_FCCS.xml | Mixed Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SAF 210: Interior Douglas-fir SAF 211: White fir SAF 237: Interior ponderosa pine | FB_0219_FCCS.xml |
| 167 | 220 | Ponderosa pine-white fir/quaking aspen forest - post prescribed burn | Southwestern montane mixed conifer forest dominated by white fir, Douglas-fir, Engelmann spruce, ponderosa pine and quaking aspen. Prescribed burned 2 years previously. This fuelbed was developed based on data from Grand Canyon National Park. | FB_0220_FCCS.xml | Mixed Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SAF 210: Interior Douglas-fir SAF 211: White fir SAF 237: Interior ponderosa pine | FB_0220_FCCS.xml |
| 168 | 221 | Wheatgrass-ryegrass grassland | Agricultural field of nonnative annual grasses and forbs burned and replanted 10 years previously. This fuelbed was developed based on data from Whitman Mission National Historic Site. | FB_0221_FCCS.xml | Grassland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SRM 101: Bluebunch wheatgrass | FB_0221_FCCS.xml | |
| 169 | 222 | Interior ponderosa pine forest | This interior West ponderosa pine forest exhibits dense thickets of pine due to fire exclusion. To reduce tree density and fuels, this stand was treated twice with prescribed fire, the second of which occurred 2 years previoiusly. This fuelbed was developed based on data from Grand Canyon National Park. | FB_0222_FCCS.xml | Conifer Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SRM 110: Ponderosa pine - grassland SAF 237: Interior ponderosa pine | FB_0222_FCCS.xml |
| 170 | 223 | Douglas-fir-white fir-interior ponderosa pine forest - post wildfire | A Southwest montane mixed conifer forest 2 years after wildfire. The remaining stand is dominated by white fir, Douglas-fir, Engelmann spruce, and ponderosa pine and has a high density of recently dead snags. This fuelbed was developed based on data from Grand Canyon National Park. | FB_0223_FCCS.xml | Conifer Forest | Wildfire (ground) | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SAF 210: Interior Douglas-fir SAF 211: White fir SAF 237: Interior ponderosa pine | FB_0223_FCCS.xml |
| 171 | 224 | Quaking aspen forest | Quaking aspen forests are found throughout the intermountain West. This fuelbed was developed based on data from Zion National Park and is dominated by quaking aspen with a small component of gambel oak, ponderosa pine, and white fir. | FB_0224_FCCS.xml | Broadleaf Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SAF 217: Aspen (western) | FB_0224_FCCS.xml |
| 172 | 225 | Quaking aspen forest - post prescribed burn | This quaking aspen forest was burned in a prescribed fire 2 years previously to reduce conifer encroachment and fuel buildup. This fuelbed was developed based on data from Zion National Park and represents a forest in which fire has been excluded for over 50 years. | FB_0225_FCCS.xml | Broadleaf Forest | Prescribed Fire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 340: Temperate Desert | SAF 217: Aspen (western) | FB_0225_FCCS.xml |
| 173 | 226 | White fir-gambel oak forest | Interior West forest dominated by white fir and gambel oak. This fuelbed was developed based on data from Zion National Park and represents a forest in which fire has been excluded for over 50 years. | FB_0226_FCCS.xml | Mixed Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SAF 211: White fir SRM 413: Gambel oak | FB_0226_FCCS.xml |
| 174 | 227 | White fir forest | This fuelbed represents a Southwest mixed conifer forest that was prescribed burned 5 years previously to reduce white fir density. This fuelbed was developed based on data from Zion National Park. | FB_0227_FCCS.xml | Conifer Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SAF 211: White fir SRM 413: Gambel oak | FB_0227_FCCS.xml |
| 175 | 228 | Interior ponderosa pine-limber pine forest | Southwestern montane mixed conifer forest dominated by ponderosa pine with dense understory of sclerophyllous shrubs and seedling trees. This fuelbed represents a forest that was prescribed burned 10 years previously to reduce hazardous fuels in a fire-excluded stand. This fuelbed was developed based on data from Bryce Canyon National Park. | FB_0228_FCCS.xml | Conifer Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SAF 237: Interior ponderosa pine | FB_0228_FCCS.xml |
| 176 | 229 | Ponderosa pine/Utah juniper forest | Southwestern transitional pinyon -- juniper and ponderosa pine forest prescribed burned 5 years previously to reduce ponderosa pine densities to pre-settlement levels. This fuelbed was developed based on data from Lake Mead National Recreation Area. | FB_0229_FCCS.xml | Conifer Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe | SAF 237: Interior ponderosa pine SAF 239: Pinyon-juniper | FB_0229_FCCS.xml |
| 177 | 230 | Pinyon-Utah juniper forest - post prescribed burn | Pinyon -- juniper woodlands of the Great Basin are found throughout the Southwest. This fuelbed represents a pinyon -- Utah juniper woodland 2 years after prescribed fire. This fuelbed was developed based on data from Zion National Park. | FB_0230_FCCS.xml | Conifer Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SAF 239: Pinyon-juniper SRM 412: Juniper-pinyon woodland | FB_0230_FCCS.xml |
| 178 | 231 | Gambel oak-Rocky Mountain juniper-ponderosa pine forest | Arid oak woodland composed of gambel oak, ponderosa pine, pinyon and juniper species. These forests are found from 6,000 to 9,000 feet in elevation in the Southwest, and are over 50 years old. Because of fire exclusion and grazing, the species composition in these forests has moved from an open gambel oak-dominated savanna to a more dense mixed conifer forest. | FB_0231_FCCS.xml | Mixed Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert 330: Temperate Steppe 340: Temperate Desert | SAF 220: Rocky Mountain juniper SAF 237: Interior ponderosa pine SAF 239: Pinyon-juniper SRM 413: Gambel oak | FB_0231_FCCS.xml | |
| 179 | 232 | Mesquite savanna | Mesquite (Prosopis spp.) occurs in both shrub and tree form throughout the Southwest. In washes and riparian areas, it can grow 40 feet high. In dry areas, it usually grows in shrub form. Over the past century, mesquite density has greatly increased across range lands due to fire exclusion and seed dispersal by cattle, and is now a significant management concern for ranchers and farmers. This fuelbed represents a dense, dry-site mesquite shrubland developed through long-term grazing and fire exclusion. | FB_0232_FCCS.xml | Savanna | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 320: Tropical/Subtropical Desert | SAF 68: Mesquite SAF 242: Mesquite SRM 728: Mesquite-granjeno-acacia SRM 729: Mesquite | FB_0232_FCCS.xml | |
| 180 | 233 | Sagebrush shrubland | Southwest sagebrush steppe with increased density of sagebrush due to fire exclusion, creating hazardous fuel conditions. This fuelbed was developed based on data from Zion National Park. | FB_0233_FCCS.xml | Shrubland | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert | SRM 107: Western juniper-big sagebrush-bluebunch wheatgrass SRM 314: Big sagebrush-bluebunch wheatgrass SRM 315: Big sagebrush-Idaho fescue SRM 402: Mountain big sagebrush | FB_0233_FCCS.xml |
| 181 | 234 | Sagebrush shrubland - post prescribed burn | Southwest sagebrush steppe prescribed burned 2 years previously to reduce density of sagebrush. This fuelbed was developed based on data from Zion National Park. | FB_0234_FCCS.xml | Shrubland | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SRM 107: Western juniper-big sagebrush-bluebunch wheatgrass SRM 314: Big sagebrush-bluebunch wheatgrass SRM 315: Big sagebrush-Idaho fescue SRM 402: Mountain big sagebrush | FB_0234_FCCS.xml |
| 182 | 235 | Idaho fescue-bluebunch wheatgrass grassland - postfire | Perennial bunchgrass communities were previously more frequent in the Pacific Northwest. Development, grazing and the absence of fire have contributed to the decline of these assemblages. This grassland fuelbed occurs in the Wallowa Mountains and Blue Mountains, and was severely burned 5 years previously. | FB_0235_FCCS.xml | Grassland | Wildfire (ground) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 330: Temperate Steppe 340: Temperate Desert | SRM 101: Bluebunch wheatgrass SRM 102: Idaho fescue SAF 233: Oregon white oak SRM 304: Idaho fescue-bluebunch wheatgrass SRM 613: Fescue grassland | FB_0235_FCCS.xml |
| 183 | 236 | Tobosa-grama grassland | Chihuahuan semi-desert grassland typically found in Southwest. Originally dominated by bunchgrasses but may be invaded by annual grasses, shrubs, pinyon pine, and juniper. This fuelbed represents the original condition without significant annual grass or shrub invasion. | FB_0236_FCCS.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert | SRM 505: Grama-tobosa shrub | FB_0236_FCCS.xml |
| 184 | 237 | Huckleberry-heather shrubland | Subalpine meadows of the Pacific Northwest are commonly dominated by huckleberry (Vaccinium) and heather. Huckleberry is dominant for 7 to 9 years after disturbances such as fire or avalanches, and may be maintained indefinitely on some sites. This fuelbed represents conditions after a longer time since disturbance and is dominated by heathers (Cassiope mertensiana and Phyllodoce spp.). | FB_0237_FCCS.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean | SRM 209: Montane shrubland | FB_0237_FCCS.xml |
| 185 | 238 | Pacific silver fir-mountain hemlock forest | This fuelbed represents mature Pacific silver fir and mountain hemlock forests occurring on cool, moist sites at high elevations in montane and subalpine forests along the western slopes of the Cascade Crest. Forests are open grown with dense understories of false azalea (Menziesia ferruginea), white-flowered rhododendron (Rhododendron albiflorum) and sedge species. | FB_0238_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 205: Mountain hemlock SAF 226: Coastal true fir-hemlock | FB_0238_FCCS.xml |
| 186 | 239 | Douglas-fir-sugar pine-tanoak forest - 6 years post wildfire | Mixed forests dominated by Douglas-fir, sugar pine and tanoak are common mid-elevation forests of the western slopes of the northern Sierra Nevada and coastal Pacific Northwest. This forest was moderately burned in a wildfire 6 years previously. This fuelbed was developed based on data from the Silver Fire Recovery Project in the Galice Ranger District, Siskiyou National Forest. | FB_0239_FCCS.xml | Mixed Forest | Wildfire (ground) | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean | SAF 229: Pacific Douglas-fir SAF 234: Douglas-fir-tanoak-Pacific madrone SAF 243: Sierra Nevada mixed conifer | FB_0239_FCCS.xml |
| 187 | 240 | Saw palmetto/three-awned grass shrubland | Dry to mesic shrublands dominated by saw palmetto (Serenoa repens) and mixed grasses typical of Florida flatwoods. This shrubland is maintained by periodic fire, but a similar vegetation composition can develop after logging in pine and palmetto flatwoods. Fire exclusion leads to denser saw palmetto and tree encroachment. | FB_0240_FCCS.xml | Shrubland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical 410: Savanna | SRM 816: Cabbage palm hammocks | FB_0240_FCCS.xml | |
| 188 | 241 | Longleaf-loblolly pine forest with hurricane damage | Sixty-five year-old longleaf pine or loblolly pine forests damaged by windthrow associated with hurricanes along the southeastern Atlantic and Gulf coasts. | FB_0241_FCCS.xml | Conifer Forest | Windthrow | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 70: Longleaf pine SAF 83: Longleaf pine-slash pine SAF 81: Loblolly pine | FB_0241_FCCS.xml |
| 189 | 242 | Longleaf-loblolly pine forest with hurricane damage - post prescribed burn | Sixty-five year-old longleaf pine or loblolly pine forests damaged by windthrow associated with hurricanes along the southeastern Atlantic and Gulf coasts. This fuelbed was treated with prescribed headfires 6 months earlier in the spring to reduce fuel loads | FB_0242_FCCS.xml | Conifer Forest | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 70: Longleaf pine SAF 81: Loblolly pine SAF 83: Longleaf pine-slash pine | FB_0242_FCCS.xml |
| 190 | 243 | Pitch pine/scrub oak shrubland | Shrubland dominated by pitch pine regeneration and shrubby oaks on dry sites, often on sands or exposed ledges. This fuelbed represents regeneration 5-10 years after severe wildfire in a pitch pine and scrub oak forest. Occurs along the Atlantic coastal plain in New Jersey north to midcoast Maine, west to central New York and south into the southern Appalachian Mountains to Virginia. | FB_0243_FCCS.xml | Shrubland | Wildfire (crown) | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | SAF 45: Pitch pine | FB_0243_FCCS.xml |
| 191 | 260 | Ohia/uluhe forest - 5 years post wildfire | Ohia rainforests with uluhe (Dicranopteris emarginata) climbing fern understories are typically open stands with thick, tall mats of uluhe. These rainforests occur at elevations of 1,500 to 4,400 feet. Although wildfires are uncommon in the rainforests of Hawaii, one did occur at this site 5 years previously after several weeks of drought. | FB_0260_FCCS.xml | Broadleaf Forest | Wildfire (ground) | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0260_FCCS.xml | |
| 192 | 261 | Pili grass-broomsedge bluestem grassland - 5 years post wildfire | Pili grass (Heteropogon contortus) is a fire stimulated native bunchgrass of the Hawaiian coastal lowlands that has endured both grazing and competition from broomsedge bluestem (Andropogon virginicus) and other nonnative grasses. This grassland burned in a low severity wildland fire 5 years previously. | FB_0261_FCCS.xml | Grassland | Wildfire (ground) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0261_FCCS.xml | |
| 193 | 262 | Molasses grass grassland - 5 years post prescribed fire | This Hawaiian submontane grassland is dominated by the coarse nonnative sod grass molasses grass (Melinis minutiflora). It burned in a low severity fire 5 years previously. | FB_0262_FCCS.xml | Grassland | Wildfire (ground) | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 420: Rainforest | FB_0262_FCCS.xml | |
| 194 | 263 | Ohia/broomsedge bluestem savanna - 5 years post prescribed burn | Broomsedge bluestem (Andropogon virginicus) is a nonnative fine bunchgrass that has invaded native grasslands of Hawaii. It is a successful colonizer and survivor after wildfire. This savanna has scattered ohia trees and was burned 5 years previously. | FB_0263_FCCS.xml | Savanna | Wildfire (ground) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0263_FCCS.xml | |
| 195 | 264 | Post-blackjack oak forest | This fuelbed, commonly referred to as 'crosstimbers', is composed of post oak and blackjack oak in a broadleaf forest or woodland on rolling hills in central Texas through central Oklahoma and extending into southeastern Kansas. It varies from closed forest to open woodland with open prairie inclusions depending on soils and rainfall. Under fire exclusion, oak root sprouts, understory growth and vines can create ladder fuels. Long-term grazing causes annual grasses to increase. This fuelbed represents forests more than 50 years old. | FB_0264_FCCS.xml | Broadleaf Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 230: Subtropical 250: Prairie | SAF 40: Post oak-blackjack oak SRM 731: Cross timbers-Oklahoma SRM 732: Cross timbers-Texas (little bluestem post oak) | FB_0264_FCCS.xml | |
| 196 | 265 | Balsam fir-white spruce-mixed hardwood forest | White spruce and balsam fir forest occurring on gentle to moderate, typically lower, slopes of the Great Lakes region. Canopy codominants vary but can include maples, quaking aspen, and paper birch. This fuelbed type is common in northern Michigan, Wisconsin, and Minnesota, ranging into Canada. | FB_0265_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | SAF 107: White spruce | FB_0265_FCCS.xml |
| 197 | 266 | Sugar maple-basswood forest | Deciduous forest dominated by sugar maple and basswood with various other tree species including northern red oak, white ash, and elm species occurring in the overstory. Primarily in Minnesota, Wisconsin, and Iowa, but can also occur throughout the central and northern hardwood forest regions. Basswood and maple are fire-sensitive. Mature forests dominated by these species do not burn readily and have generally had long fire-free periods (~150 years or more) or have had only patchy surface fires. | FB_0266_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental 250: Prairie | SAF 26: Sugar maple-basswood | FB_0266_FCCS.xml |
| 198 | 267 | American beech-yellow birch-sugar maple-red spruce forest | Northern hardwoods forest with a significant spruce and/or hemlock component. Occurs at low to mid elevations (generally below 3,000 feet) in Connecticut, Massachusetts, Maine, New Hampshire, New Jersey, New York, Rhode Island, and Vermont. This fuelbed represents forests more than 50 years old. | FB_0267_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | SAF 30: Red spruce-yellow birch SAF 31: Red spruce-sugar maple-beech SAF 25: Sugar maple-beech-yellow birch | FB_0267_FCCS.xml |
| 199 | 268 | American beech-yellow birch-sugar maple-eastern hemlock forest | Northern hardwoods forest with a significant hemlock and/or balsam fir component. Occurs in the northern portions of the Lake States. This fuelbed represents forests from 50 to 100 years old. | FB_0268_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | SAF 5: Balsam fir SAF 24: Hemlock-yellow birch SAF 25: Sugar maple-beech-yellow birch | FB_0268_FCCS.xml |
| 200 | 269 | Sugar maple-yellow poplar-American beech-oak forest | This fuelbed represents mixed mesophytic forests. Western variant is usually found at elevations from 1,000 to 3,000 feet in Tennessee, Kentucky, Ohio, Pennsylvania, West Virginia, Illinois, Indiana and Missouri. Eastern variant is usually found at elevations from 2,000 to 4,500 feet in protected sites of the southern Blue Ridge (North Carolina, South Carolina, Georgia, Tennessee, and Virginia), the Cumberland Mountains of Kentucky, and the Allegheny Plateau of West Virginia and Ohio. These forests have highly variable canopy composition; characteristic canopy dominants can include American beech, sugar maple, yellow poplar, oaks, basswood and buckeye. | FB_0269_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SAF 60: Beech-sugar maple SAF 57: Yellow-poplar | FB_0269_FCCS.xml |
| 201 | 270 | Red spruce-Fraser fir/rhododendron forest | High elevation (above 4,500 feet) conifer forest in the southern Appalachian mountains occurring in North Carolina, Tennessee, and Virginia. Dominated by red spruce and Fraser fir with a variable deciduous canopy component depending on elevation. Red spruce dominates at the lower end of the elevation range, while Fraser fir dominates the upper end of the elevation range. Dense evergreen shrub stratum. The balsam woolly adelgid has affected much of this forest type, killing mature Fraser fir trees. | FB_0270_FCCS.xml | Conifer Forest | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 220: Hot Continental | SAF 34: Red spruce-Fraser fir | FB_0270_FCCS.xml | |
| 202 | 272 | Mangrove forest | Tall mangrove forest composed of zones dominated by red mangrove at lower elevations and black mangrove farther inland or composed of mixed red, white, and black mangroves. Found near the coast and along waterways in south Florida. | FB_0272_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 106: Mangrove | FB_0272_FCCS.xml |
| 203 | 273 | Engelmann spruce-Douglas-fir-white fir-ponderosa pine forest | Ponderosa pine, Douglas-fir, and Engelmann spruce are found in small patches throughout the montane zone in the mixed conifer forests of the U.S. Rocky Mountains and the Southwest, as well as the Grand Canyon area. Grand fir is a common component of these stands in the northern Rocky Mountains, and white fir in the Southwest. These stands are usually located at elevations above 5,000 feet. The fuel density in this mature stand has increased due to fire exclusion, creating hazardous fuel conditions. | FB_0273_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 310: Tropical/Subtropical Steppe 320: Tropical/Subtropical Desert 330: Temperate Steppe 340: Temperate Desert | SAF 206: Engelmann spruce-subalpine fir SAF 210: Interior Douglas-fir SAF 211: White fir SAF 237: Interior ponderosa pine | FB_0273_FCCS.xml |
| 204 | 274 | American beech-sugar maple forest | Mesic forest occurring mainly from Michigan and Indiana east to western New York. Scattered patches of this forest type are possible within the range of sugar maple and American beech. This fuelbed represents forests greater than 60 years old. | FB_0274_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SAF 60: Beech-sugar maple | FB_0274_FCCS.xml |
| 205 | 275 | Chestnut-white-northern red oak forest | Dry to dry-mesic oak-dominated forests occurring in the Appalachian Mountains on ridgetops and upper slopes, generally at elevations from 700 to 3,000 feet. This fuelbed type is most commonly found in North Carolina, South Carolina, Tennessee, Kentucky, Virginia, West Virginia, and New England and extends into Ohio, Pennsylvania, Alabama and Georgia. Similar forests can occur on dry soils throughout the range of chestnut oak. This fuelbed represents stands from 50 to 100 years old. | FB_0275_FCCS.xml | Broadleaf Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 230: Subtropical | SAF 20: White pine-northern red oak-red maple SAF 44: Chestnut oak | FB_0275_FCCS.xml |
| 206 | 276 | Oak-pine-magnolia forest | Mesic forests dominated by a mixture of American beech, southern magnolia, and oaks, often with pines in the overstory. These forests generally occur in small stands within ravines and coves, or in mesic upland forests that were previously dominated by pines where fire has been excluded. Common throughout the Southeast coastal plain. | FB_0276_FCCS.xml | Mixed Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SRM 815: Upland hardwood hammocks | FB_0276_FCCS.xml | |
| 207 | 279 | Black spruce-northern white cedar-larch forest | Northern conifer bogs dominated by pure stands or mixtures of black spruce, northern white cedar or eastern larch on deep peat soils. This fuelbed represents 20 to 50 year-old stands. Conifer bogs occur throughout the northern Great Lake States region and in the northeastern U.S. up to 1,300 feet in elevation. | FB_0279_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental 220: Hot Continental | SAF 12: Black spruce SAF 38: Tamarack SAF 37: Northern white cedar | FB_0279_FCCS.xml |
| 208 | 280 | Bluestem-Gulf cordgrass grassland | Bluestem (Andropogon spp.) -- sacahuista (Nolina microcarpa) prairie vegetation of the Gulf Coastal Plain of Texas and Louisiana. Woody species occur along streams that bisect the area and have encroached on interior portions of this prairie system leading to a mosaic pattern of shrub dominated areas within the prairie matrix. Fire exclusion leads to higher shrub cover. This fuelbed represents a site with moderate shrub encroachment. | FB_0280_FCCS.xml | Grassland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical 250: Prairie | SRM 711: Bluestem-sacahuista prairie | FB_0280_FCCS.xml | |
| 209 | 281 | Shortleaf pine-post oak-black oak forest | Dry forests dominated by shortleaf pine and mixed oak species, usually post oak and black oak. Other oaks may also be present depending on geographic location and soil type. These forests occur mainly in the western Gulf Coastal Plain and Interior Highlands of the southern U.S. from Oklahoma, Missouri, and Texas east to Mississippi; also occur farther east in the southern Appalachian Mountains and Piedmont on dry, low elevation ridges, generally below 2,000 feet. This fuelbed represents stands from 50 to 90 years old. | FB_0281_FCCS.xml | Mixed Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical | SAF 76: Shortleaf pine-oak | FB_0281_FCCS.xml | |
| 210 | 282 | Loblolly pine forest | Loblolly pine-dominated forests occur throughout the Southeast coastal plain and Piedmont regions from Texas east and north to Virginia. Shortleaf pine, Virginia pine and longleaf pine may also be present in the canopy depending on geographic location within the region. Fuelbed represents stands from 30 to 80 years old. | FB_0282_FCCS.xml | Conifer Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 230: Subtropical | SAF 81: Loblolly pine | FB_0282_FCCS.xml |
| 211 | 283 | Willow-laurel-water oak forest | Oak-dominated bottomland forests are common alluvial forest types throughout the southeastern and central U.S. The canopy species composition varies with length of inundation and geographic region. This fuelbed represents stands from 25 to 70 years old. | FB_0283_FCCS.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SAF 88: Willow oak-water oak-diamondleaf oak SAF 91: Swamp chestnut oak-cherrybark oak SAF 96: Overcup oak-water hickory | FB_0283_FCCS.xml |
| 212 | 284 | Green ash-American elm-silver maple-cottonwood forest | Northern floodplain forest dominated by a mixture of elms, green ash, cottonwood, and silver maple. This forest type occurs mainly in the midwestern U.S. but also is present in the Northeast. American elm makes up less of the overstory than in the past because of Dutch elm disease. Red maple may also be a dominant canopy species rather than silver maple in parts of the range. This fuelbed represents stands ranging from 40 to 85 years old. | FB_0284_FCCS.xml | Broadleaf Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 210: Warm Continental | SAF 62: Silver maple-American elm | FB_0284_FCCS.xml | |
| 213 | 286 | Limber pine-ponderosa pine forest | Limber pine occurs throughout the U.S. Rocky Mountains, Great Basin, and southern California. It can be codominant with many species including Douglas-fir, ponderosa pine, white pine, and juniper species. Limber pine usually occupies dry, exposed sites. This is a mature stand from which fire has been excluded. | FB_0286_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert 330: Temperate Steppe 310: Tropical/Subtropical Steppe | SAF 219: Limber pine SAF 237: Interior ponderosa pine | FB_0286_FCCS.xml |
| 214 | 287 | Eastern white pine-eastern hemlock forest | This fuelbed is an example of forests dominated by eastern white pine and eastern hemlock in the Northeast, Great Lake States, and south along the Appalachian Mountains to North Carolina and Tennessee. At the northern part of the range it is typically found at elevations below 2,000 feet, while farther south the type is found at elevations of 2,000 to 3,500 feet. This fuelbed represents stands from 40 to 70 years old. | FB_0287_FCCS.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical 210: Warm Continental | SAF 22: White pine-hemlock | FB_0287_FCCS.xml |
| 215 | 288 | Bald cypress-water tupelo forest | Swamp forest dominated by bald cypress and water tupelo occurs in very poorly drained areas of floodplains throughout the Southeast coastal plain and throughout the Southeast U.S. This fuelbed represents stands from 70 to 150 years old. This fuelbed will burn only in very dry years because it is normally flooded for much of the year. | FB_0288_FCCS.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SAF 102: Baldcypress-tupelo | FB_0288_FCCS.xml |
| 216 | 289 | Pond cypress/muhly-sawgrass savanna | Savanna of dwarf pond cypress over muhly grass (Muhlenbergia filipes) and sawgrass (Cladium mariscus) in south Florida. This fuelbed is generally very open due to the short stature of the cypress trees. These systems are typically mature (greater than 100 years), although the trees are small. Surface fires are frequent. | FB_0289_FCCS.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 410: Savanna | SAF 100: Pondcypress SRM 819: Freshwater marsh and ponds | FB_0289_FCCS.xml |
| 217 | 291 | Longleaf-slash pine/saw palmetto forest | Longleaf pine, slash pine, and saw palmetto (Serenoa repens) forest resulting from fire exclusion occur throughout the Southeast coastal plain from Virginia south to Florida and west to into Texas. This forest type is characterized by a dense overstory of longleaf pine and slash pine and a very dense shrub layer dominated by saw palmetto. Saw palmetto is less important or absent from these forests in the Carolinas and Virginia. Fire has been excluded for 30 years. | FB_0291_FCCS.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 83: Longleaf pine-slash pine | FB_0291_FCCS.xml |
| 218 | 301 | Fremont cottonwood-California sycamore forest | This California Central Valley riparian woodland or shrubland occurs on small to mid-sized rivers and is maintained by periodic flooding and sediment scouring which maintains the vegetation. Several invasive species, including Tamarix spp., Ailanthus altissima, and Arundo donax, can be problematic. | FB_0301_LF.xml | Broadleaf Forest | Flood | 260: Mediterranean | SRM 203: Riparian woodland | FB_0301_LF.xml | |
| 219 | 302 | Willow/sedge grassland | Montane subalpine meadows often are dominated by willows, sedges, grasses and herbaceous species for up to 100 years following disturbances. Sedges may persist indefinately in areas above the timberline in mountain ranges of the West. These meadows are typically cold and wet, and have a short growing season. This includes riparian meadows. | FB_0302_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert | SRM 216: Montane meadows SRM 422: Riparian (great basin) SRM 914: Mesic sedge-grass-herb meadow tundra | FB_0302_LF.xml |
| 220 | 303 | Cottonwood/willow savanna | Warm desert riparian woodlands or shrublands occur in riparian corridors at mid to low elevations, from less than 3600 up to 6000 feet. This fuelbed occurs in the desert southwest in Arizona, California, New Mexico, Nevada and Texas. Species composition is dependent on elevation range. Lower elevation sites tend to be dominated by mesquite species while higher elevation sites are dominated by cottonwoods, sycamores, walnuts and willows. | FB_0303_LF.xml | Savanna | None | 340: Temperate Desert 320: Tropical/Subtropical Desert | SAF 235: Cottonwood-willow | FB_0303_LF.xml | |
| 221 | 304 | Engelmann spruce-subalpine fir/horsetail forest | Conifer swamp forest dominated by various mixes of Engelmann spruce and subalpine fir occurring in the central and northern Rocky Mountains. Other potential canopy dominants include western redcedar and western hemlock. | FB_0304_LF.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 340: Temperate Desert 330: Temperate Steppe | SAF 206: Engelmann spruce-subalpine fir SAF 227: Western redcedar-western hemlock | FB_0304_LF.xml |
| 222 | 305 | Red alder forest | This forest is dominated by red alder with a mix of Douglas-fir and western hemlock and is found along the Pacific Coast from southeast Alaska to Santa Barbara, California and seldom occurs more than 200 miles inland or at a elevation greater than 3,000 feet. | FB_0305_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean | SAF 221: Red alder | FB_0305_LF.xml |
| 223 | 306 | Knobcone pine forest | Knobcone pine forests occur in southern Oregon and have a discontinuous distribution throughout California. Knobcone pine generally comprises the majority of the stocking. It can be codominant with many species including Douglas-fir, digger pine, and live oak. | FB_0306_LF.xml | Conifer Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SAF 248: Knobcone pine | FB_0306_LF.xml |
| 224 | 307 | Paloverde shrubland | Shrublands dominated by paloverde (Parkinsonia spp.) that are common in the Sonoran desert in California and Arizona at elevations below 4000 feet. | FB_0307_LF.xml | Shrubland | None | 320: Tropical/Subtropical Desert | SRM 507: Palo Verde-cactus | FB_0307_LF.xml | |
| 225 | 308 | Low sagebrush shrubland | Low sagebrush steppe occurs in Wyoming, western Montana, southern Idaho, eastern Oregon, northern Nevada, Utah, northwestern Colorado and northeastern California. Vegetation is composed of sagebrush, grasses and forbs. | FB_0308_LF.xml | Shrubland | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert 330: Temperate Steppe | SRM 405: Black sagebrush SRM 406: Low sagebrush | FB_0308_LF.xml |
| 226 | 309 | Blackbrush shrubland | Shrublands dominated by blackbrush (Coleogyne ramosissima) that are common on the Colorado plateau of Utah and Arizona and less frequent in the Mohave desert region of Nevada and California at elevations from 3300 to 5200 feet. | FB_0309_LF.xml | Shrubland | None | 340: Temperate Desert 320: Tropical/Subtropical Desert 310: Tropical/Subtropical Steppe | SRM 212: Blackbush | FB_0309_LF.xml | |
| 227 | 310 | Greasewood shrubland | The greasewood fuelbed type is generally located in areas of high salinity and or alkalinity with a high water table or subject to frequent overflow flooding. Each desert community has a unique shrub and herbaceous component that accompanies greasewood. Historically, these desert communities burned very infrequently due to low fuel presence. Due to fire suppression and heavy grazing, they are now invading surrounding grasslands or are being invaded by exotic grasses, which is changing the natural fire regime. This is a regional fuelbed that spans all three desert types. | FB_0310_LF.xml | Shrubland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 320: Tropical/Subtropical Desert | SRM 501: Saltbush-greasewood | FB_0310_LF.xml |
| 228 | 311 | Saltbush shrubland | The salt-desert shrubland fuelbed type is generally located in the low elevation landscapes in the temperate deserts of the Great Basin and surrounding areas of the United States. It is found in alluvial terraces, lake basins, salt flats, and valleys. | FB_0311_LF.xml | Shrubland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert 320: Tropical/Subtropical Desert | SRM 414: Salt desert shrub | FB_0311_LF.xml |
| 229 | 312 | Gambel oak/sagebrush shrubland | Gambel oak and sagebrush are often codominants in the shrublands of the southern and central Rockies of Arizona, New Mexico, Colorado, and Utah. The shrublands are maintained through wildfire. | FB_0312_LF.xml | Shrubland | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert | SRM 413: Gambel oak | FB_0312_LF.xml |
| 230 | 313 | Mountain mahogany shrubland | Mountain mahogany are often in small tree or shrub form that reach heights between 6 and 27 feet and commonly occur in the drier sites of the Western United States. It is often associated with serviceberry, big and black sagebrush, bitterbrush, and rabbit brush along with wheat grass and Idaho fescue. Most sites have been disturbed fire and or grazing. | FB_0313_LF.xml | Shrubland | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert 330: Temperate Steppe | SRM 413: Gambel oak SRM 415: Curlleaf mountain-mahogany | FB_0313_LF.xml |
| 231 | 314 | Limber pine-bristlecone pine forest | Limber and bristlecone pine dominated stands occur along harsh timberline sites in most states of the Rocky Mountains and Great Basin where old to moderately old, open stands form the vegetative climax. | FB_0314_LF.xml | Conifer Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean 340: Temperate Desert 330: Temperate Steppe | SAF 209: Bristlecone pine | FB_0314_LF.xml |
| 232 | 315 | Showy sedge-black alpine sedge grassland | Subalpine meadows may be dominated by sedges, grasses and herbaceous species for up to 100 years following disturbances. Sedges may persist indefinitely in areas above the timberline in mountain ranges of the West. These meadows are typically cold and wet, and have a short growing season. | FB_0315_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean 340: Temperate Desert 330: Temperate Steppe | SRM 213: Alpine grassland (Pacific Southwest) SRM 410: Alpine rangeland (great basin) SRM 914: Mesic sedge-grass-herb meadow tundra | FB_0315_LF.xml |
| 233 | 316 | Coyotebush-ceanothus shrubland | Northern California coastal shrub is a soft chaparral community ranging from 15 to 20 feet tall with evergreen foliage. It occurs discontinously from Santa Cruz, California to the Olympic Peninsula of Washington. | FB_0316_LF.xml | Shrubland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SRM 204: Northern coastal shrub | FB_0316_LF.xml |
| 234 | 317 | Bigtooth maple forest | This forest is dominated by bigtooth maple and may occur in relatively pure stands or found to be interdispersed with oak, sagebrush, and Douglas-fir. It grows in single or multi-stem form and ranges from 12 to 30 feet in height. It occurs mainly in southeast Idaho, southwest Wyoming, Utah, and eastern Nevada. | FB_0317_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SRM 418: Bigtooth maple | FB_0317_LF.xml |
| 235 | 318 | Bluejoint reedgrass-water sedge grassland | Seasonally to permananlty inundated grasslands occurring throughout much of the western United States. Various grasses and sedges may dominate this fuelbed depending on elevation, topographic position, soils and hydrology. | FB_0318_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert 330: Temperate Steppe | SRM 216: Montane meadows SRM 422: Riparian (great basin) | FB_0318_LF.xml |
| 236 | 319 | Pacific silver fir-Sitka alder forest | Wet avalanche opening, includes Sitka alder, mountain hemlock, Pacific silver fir, and Engelmann spruce. | FB_0319_LF.xml | Broadleaf Forest | Avalanche | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert 330: Temperate Steppe | SAF 226: Coastal true fir-hemlock | FB_0319_LF.xml |
| 237 | 320 | Western larch forest | Western Larch, lodgepole stand found at mid-upper elevations across eastern Cascades. Dry seedlings and saplings regenerating in an opening created 80+ years ago by wildfire and no salvage. Self pruning and suppressed trees have increased fuel loading, canopy is closed creating a cool understory with limited grass growth. Shade tolerant shrubs are flourishing. | FB_0320_LF.xml | Conifer Forest | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 330: Temperate Steppe 320: Tropical/Subtropical Desert | SAF 212: Western larch SAF 218: Lodgepole pine | FB_0320_LF.xml |
| 238 | 321 | Western hemlock-Alaska cedar forest | Western hemlock and Alaska cedar forest. Occurs throughout southeast Alaska from 1000 to 2000 ft elevation. Alaska cedar codominates the overstory but western hemlock dominates in the lower canopy strata. | FB_0321_LF.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 224: Western hemlock | FB_0321_LF.xml |
| 239 | 322 | Sitka spruce-western hemlock forest | Sitka spruce and western hemlock forests occur throughout southeast Alaska and along the coast west into central Alaska. This fuelbed represents mixed stand conditions in which the overstory is codominated by Sitka spruce and western hemlock. However, stands may be dominated strongly by either nominal species. | FB_0322_LF.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 223: Sitka spruce SAF 224: Western hemlock SAF 225: Western hemlock-Sitka spruce SAF 229: Pacific Douglas-fir SAF 230: Douglas-fir-western hemlock | FB_0322_LF.xml |
| 240 | 323 | Quaking aspen/sagebrush boreal woodland | Open boreal quaking aspen woodland interspersed with grassland and shrubland vegetation dominated by sagebrush species (Alaska wormwood and prairie sagewort), reedgrass, brome and fescue species. This fuelbed typically occurs on steep, south-facing slopes in the boreal and boreal transition regions of Alaska. | FB_0323_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 217: Aspen (western) | FB_0323_LF.xml |
| 241 | 324 | White spruce woodland | White spruce woodland. Occurs on exposed sites near treeline in Alaska, especially in the Brooks and Alaska Ranges. A discontinuous shrub layer dominated by birch, willow and alder species is usually present with lichens and feathermosses filling the gaps among shrubs and trees. | FB_0324_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic 120: Tundra | SRM 901: Alder (Alaska) SRM 920: White spruce-paper birch SRM 921: Willow | FB_0324_LF.xml |
| 242 | 325 | White spruce-mountain hemlock forest | White spruce and mountain hemlock forest. Occurs in southcentral and southeastern Alaska on upper mountain slopes or steep slopes at lower elevations. | FB_0325_LF.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 201: White spruce SAF 205: Mountain hemlock | FB_0325_LF.xml |
| 243 | 326 | Willow- birch shrubland | Willow and birch shrubland. Occur on mesic sites including upper slopes, flats, side slopes throughout boreal and boreal transition areas of Alaska. Willow and birch species dominate the upper shrub layer, while ericaceous species dominate the lower shrub layer. Grasses, lichens and mosses occur in open areas among the shrubs. | FB_0326_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic 120: Tundra | SRM 912: Low scrub shrub birch-ericaceous SRM 921: Willow | FB_0326_LF.xml |
| 244 | 327 | Marsh Labrador tea/cottongrass grassland | Sedge and shrub bogs occur throughout much of Alaska. Cottongrass species (Eriophorum spp.) and sedges (Carex spp.) dominate the nonwoody layer and a low ericaceous shrub layer is typically present. Organic soils are composed of sphagnum or sedge peat. | FB_0327_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic 120: Tundra | SRM 912: Low scrub shrub birch-ericaceous | FB_0327_LF.xml |
| 245 | 328 | Hemlock / sedge-cottongrass savanna | Conifer peatlands occur at various topo-positions throughout southern Alaska. Scattered stunted trees form an open canopy over sedge and shrub dominated peatland. Single tree species or combinations of mountain hemlock and Alaska cedar are typical (some conifer peatland canopies are composed of shore pine). Cottongrass species (Eriophorum spp.) and sedges (Carex spp.) dominate the nonwoody layer and a low ericaceous shrub layer is typically present. Organic soils are composed of sphagnum or sedge peat. | FB_0328_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 205: Mountain hemlock SAF 218: Lodgepole pine SRM 912: Low scrub shrub birch-ericaceous | FB_0328_LF.xml |
| 246 | 329 | Mountain heath tundra shrubland | Mountain heath tundra types occur in alpine settings throughout south-central and southeastern Alaska. The dominant species are Phyllodoce spp. with other ericaceous species present. Various herbaceous species, lichens and mosses occur scattered among the dwarf shrubs. Scattered stunted or krummholz trees may be present. | FB_0329_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic | SRM 912: Low scrub shrub birch-ericaceous | FB_0329_LF.xml |
| 247 | 330 | American dunegrass grassland | American dunegrass (Leymus mollis ssp. mollis) grassland. Occurs on coastal and near-coastal sand dunes around Alaska. Other common species include red fescue, speargrass, beach pea, and common cowparsnip. | FB_0330_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic 120: Tundra | SRM 903: Beach wildrye-mixed forb | FB_0330_LF.xml |
| 248 | 331 | Sitka alder-salmonberry shrubland | Alder and salmonberry shrubland. Occurs in southern Alaska, near treeline in the southeastern region and from low to mid elevations on the Alaska Peninsula and the Aleutians. Sitka alder and salmonberry dominate the often dense shrub layer with reedgrass and various forbs and ferns in the herbaceous layer. | FB_0331_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic | SRM 901: Alder (Alaska) | FB_0331_LF.xml |
| 249 | 332 | Balsam poplar-paper birch forest | Balsam poplar and paper birch forest. Found on floodplains in southern Alaska. Canopy is codominated by balsam poplar and paper birch. Alder and willow occur in the typically sparse shrub layer. | FB_0332_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic | SAF 202: White spruce-paper birch SAF 203: Balsam poplar SAF 222: Black cottonwood-willow | FB_0332_LF.xml |
| 250 | 333 | Dryas tundra shrubland | Dryas tundra types occur on windswept alpine sites throughout the northern two-thirds of Alaska. Dryas spp. are typically dominant, but other dwarf shrubs, sedges or lichens may codominate. | FB_0333_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic 120: Tundra | SRM 907: Dryas SRM 911: Lichen tundra SRM 916: Sedge-shrub tundra | FB_0333_LF.xml |
| 251 | 334 | Mountain heather tundra shrubland | Cassiope (mountain heather) tundra types occur in moist alpine settings throughout Alaska. The dominant species are Cassiope spp. with other dwarf ericaceous, willow, and birch species. Various herbaceous species, lichens and mosses occur scattered among the dwarf shrubs. | FB_0334_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic 120: Tundra | SRM 912: Low scrub shrub birch-ericaceous | FB_0334_LF.xml |
| 252 | 335 | Sweetgale shrubland | Sweetgale shrub bogs occur on poorly drained sites in southwestern, south-central and southeastern Alaska. Myrica gale is the dominant shrub with codominant ericaceous and willow species. Various sedges and bluejoint reedgrass are prominent herbaceous species. | FB_0335_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic | SRM 913: Low scrub swamp | FB_0335_LF.xml |
| 253 | 336 | Lyngbye's sedge-alkaligrass grassland | Tidal marsh vegetation occurs throughout the coastal areas of Alaska. These herbaceous communities are typically dominated by sedges (often Carex lyngbyei). Grasses (often Puccinellia spp.) and forbs may also be dominant or important in tidal marshes. | FB_0336_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic 120: Tundra | FB_0336_LF.xml | |
| 254 | 337 | Softstem bulrush-needle spikerush grassland | Freshwater marsh vegetation occurs throughout Alaska. These herbaceous communities are typically dominated by rushes (often Scirpus tabernaemontani or Eleocharis palustris). Grasses and forbs may also be dominant or important in freshwater marshes, however, these systems typically occur in deeper water than rush-dominated marshes. | FB_0337_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic 120: Tundra | SRM 909: Freshwater marsh | FB_0337_LF.xml |
| 255 | 338 | Water sedge-tall cottongrass grassland | Wet meadows occur in alpine settings in boreal and boreal transition regions of Alaska. Sedges and grasses such as Carex aquatilis or C. bigelowii and Eriophorum angustifolium (tall cottongrass) dominate the vegetation. The shrub layer is generally less than 25% cover and comprised of Salix spp., Betula nana and potentially some ericaceous species such as Empetrum nigrum. | FB_0338_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic 120: Tundra | SRM 916: Sedge-shrub tundra SRM 918: Tussock tundra | FB_0338_LF.xml |
| 256 | 339 | Nootka lupine-sedge grassland | Herbaceous wet meadows occur in most topo-positions and regions of Alaska. This fuelbed contains some common species, but composition is highly variable across sites. These meadows are typically dominated by forbs with sedges and grasses as associated species. | FB_0339_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic 120: Tundra | SRM 916: Sedge-shrub tundra SRM 918: Tussock tundra | FB_0339_LF.xml |
| 257 | 340 | Pacific maritime dwarf shrub wetland | Wetlands occurring in Alaska on soils that are saturated for at least part of the growing season and generally have a wet organic layer (from 3 to 40 inches). Shrub layer is dominated by low shrubs with sedges, grasses, forbs and sphagnum moss. | FB_0340_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SRM 913: Low scrub swamp | FB_0340_LF.xml |
| 258 | 341 | Arctic tussock tundra shrubland | Low shrub and sedge dominated tussock tundra with sphagnum moss and a thin organic soil layer. Found over permafrost primarily in northern and western Alaska. | FB_0341_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic | SRM 918: Tussock tundra | FB_0341_LF.xml |
| 259 | 342 | Hawai'i bog shrubland | Hawai'i bog shrublands typically occur between 3500 and 5500 feet in elevation but may also occur at lower and higher elevations on some islands. Vegetation is composed of hummocks of sedges and grasses. Stunted woody plants occur as scattered individuals or as more dense shrub layer. There is typically a well developed peat layer. | FB_0342_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0342_LF.xml | |
| 260 | 343 | Hawai'i wet cliff shrubland | Hawai'i wet cliff shrublands occur on crests and steep ridges from 650 to 2900 feet in elevation throughout the islands. Dominant vegetation varies but is typically composed of stunted trees and shrubs interspersed with dense groundcover of vines, sedges and ferns. Exposed rock surfaces are also common. | FB_0343_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0343_LF.xml | |
| 261 | 344 | Montane-subalpine dry grassland | Montane-subalpine dry grasslands occur in Hawai'i from 5300 to 7500 ft in elevation. They are dominated by bunchgrasses and scattered shrubs may be present (less than 10% cover). | FB_0344_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0344_LF.xml | |
| 262 | 345 | Hawai'i montane-subalpine mesic grassland | Montane-subalpine mesic grasslands occur on Maui and Hawai'i above about 5500 feet in elevation and are dominated by bunchgrass, ferns and other herbaceous species. Scattered shrubs may be present. | FB_0345_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0345_LF.xml | |
| 263 | 346 | Hawai'i alpine dwarf shrubland | Hawai'i alpine dwarf shrublands occur from the subalpine to about 11,150 feet in elevation. They are dominated by dwarf shrub species with scattered grasses, forbs, ferns, mosses and lichens. | FB_0346_LF.xml | Shrubland | Wildfire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0346_LF.xml | |
| 264 | 347 | Hawai'i dry cliff shrubland | Hawai'i dry cliff shrublands occur in areas away from the influence of shorelines from 50-9835 feet in elevation. The sparse vegetation is composed of shrubs, grasses and ferns. | FB_0347_LF.xml | Shrubland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 420: Rainforest | FB_0347_LF.xml | |
| 265 | 348 | Hawai'i dry coastal strand shrubland | Hawai'i dry coastal strand shrublands occur on leeward side of larger islands and on all sides of smaller islands. Vegetation tends to be patchy and species composition is variable depending on substrate but is often a mix of grasses, forbs and low shrubs. | FB_0348_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0348_LF.xml | |
| 266 | 349 | Hawai'i subalpine mesic shrubland | Subalpine mesic shrublands have a narrow range on windward slopes of Maui from about 6400-7500 feet in elevation and are composed of dense shrubs with a sparse herbaceous layer of grasses and ferns. | FB_0349_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 420: Rainforest | FB_0349_LF.xml | |
| 267 | 350 | Balsam poplar-white spruce forest | Balsam poplar and white spruce forest. Found on floodplains in central Alaska. Canopy is codominated by balsam poplar, white spruce and paper birch. Poplar and birch dominate in younger stands; spruce increases dominance as stands age. Alder and willow typically occur in shrub layer. | FB_0350_LF.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic | SAF 202: White spruce-paper birch SAF 203: Balsam poplar | FB_0350_LF.xml |
| 268 | 351 | Ericaceous bog shrubland | Ericaceous shrub bogs occur on poorly drained sites in interior, south-central, western and parts of northern Alaska. Low ericaceous species are the dominant shrubs. Willow and birch may form a sparse taller shrub layer. Various sedges are the dominant herbaceous species. Sphagnum species are typically abundant and a well developed peat layer is present. | FB_0351_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic | SRM 913: Low scrub swamp | FB_0351_LF.xml |
| 269 | 352 | Desert sparse shrubland | Sparse shrubland of desert southwest or arid regions of the western great plains. Shrub cover is low (<35%) and the stratum is typically dominated by Prosopis glandulosa or Artemisia filifolia. | FB_0352_LF.xml | Shrubland | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 320: Tropical/Subtropical Desert | SAF 68: Mesquite SAF 242: Mesquite SRM 728: Mesquite-granjeno-acacia SRM 729: Mesquite | FB_0352_LF.xml |
| 270 | 353 | Semi-desert grassland and steppe | Chihuahuan semi-desert dominated by grasses with a sparse shrub layer of Prosopis glandulosa or other shrub species. | FB_0353_LF.xml | Grassland | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 320: Tropical/Subtropical Desert | SRM 702: Black grama-alkali sacaton SRM 718: Mesquite-grama | FB_0353_LF.xml |
| 271 | 354 | Havard oak shrubland | Shrublands dominated by Havard oak (Quercus havardii) that occur in Utah and Colorado. | FB_0354_LF.xml | Shrubland | None | 330: Temperate Steppe 340: Temperate Desert | SRM 212: Blackbush | FB_0354_LF.xml | |
| 272 | 355 | Hemlock-Alaska cedar / blueberry forest | Pacific Maritime coniferous woody wetlands. Occur at various topo-positions throughout southern Alaska. Scattered to moderately dense conifers form a stunted canopy over a fairly dense shrub layer dominated by ericaceous species. Single tree species or combinations of mountain hemlock, Alaska cedar, western hemlock are typical (shore pine, sitka spruce, or western redcedar may also occur). Poorly drained soils may be shallow to deep and usually have thick organic layer and some peat development. | FB_0355_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 205: Mountain hemlock SAF 218: Lodgepole pine SRM 912: Low scrub shrub birch-ericaceous | FB_0355_LF.xml |
| 273 | 356 | Black spruce-tamarack/sphagnum moss forest | Black spruce woodland fuelbed with a sphagnum moss forest floor, between 50 and 150 years old. Found on cold, wet sites, often near tree line, in interior, western, and southcentral Alaska. This fuelbed is comparable to the black spruce dwarf tree woodland of Viereck et al. (1992). | FB_0356_LF.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 130: Subarctic | SAF 204: Black spruce | FB_0356_LF.xml |
| 274 | 357 | Balsam poplar-black cottonwood forest | Balsam poplar and black cottonwood forest. Found on floodplains in southwestern Alaska. Canopy is codominated by balsam poplar and black cottonwood. Alder and willow occur in the typically sparse shrub layer. | FB_0357_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic | SAF 203: Balsam poplar SAF 222: Black cottonwood-willow | FB_0357_LF.xml |
| 275 | 358 | Alder and willow tall swamp shrubland | Willow and alder shrubland. Found along streams and in poorly drained sites without significant peat development in interior, south-central and southeastern Alaska. This fuelbed is comparable to the open or closed tall shrub swamp community of Viereck et al. (1992). | FB_0358_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic 240: Marine | SRM 901: Alder (Alaska) SRM 921: Willow | FB_0358_LF.xml |
| 276 | 359 | Arctic sedge tussock lichen tundra shrubland | Sedge and lichen tussock tundra with scattered low shrub layer. | FB_0359_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic | SRM 918: Tussock tundra | FB_0359_LF.xml |
| 277 | 360 | Oregon white oak forest | Oregon white oak forest. Resprouting Oregon white oak is common in lower elevations in southcentral Washington Cascade Range. It occurs in pure stands at the lowest forested locations and mixed stands at higher elevations. Regeneration is often from sprouting in limbs above ground after fire. | FB_0360_LF.xml | Broadleaf Forest | Wildfire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine | SAF 233: Oregon white oak | FB_0360_LF.xml |
| 278 | 361 | Oregon white oak -- ponderosa pine forest | Oregon white oak and ponderosa pine forest. Occurs at low elevations on hot, steep, middle and lower slopes. This forest type represents the hottest, driest forest and woodland habitats on the Wenatchee National Forest and represent the lower limit for forest growth. Both species are overstory components of these woodlands. Shrubs are normally inconspicuous. The undergrowth is largely dominated by grasses and forbs. Bitterbrush is present in small amounts and serviceberry may also be present. Sampled on south to east aspects, and also likely occurs on west aspects. | FB_0361_LF.xml | Broadleaf Forest | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 340: Temperate Desert 330: Temperate Steppe | SAF 233: Oregon white oak SRM 101: Bluebunch wheatgrass SRM 302: Bluebunch wheatgrass-Sandberg bluegrass | FB_0361_LF.xml |
| 279 | 401 | Holly-privet shrubland | Recently logged timberland. Can occur throughout the eastern United States on sites managed for wood production. Established less than 10 years ago following clearcut harvest. Stand dominated by shrubs with scattered trees. Some pine regeneration may be present. | FB_0401_LF.xml | Shrubland | 230: Subtropical | FB_0401_LF.xml | |||
| 280 | 402 | Pine/holly-privet forest | Recently logged timberland. Can occur throughout the eastern United States on sites managed for wood products. Established following clearcut harvest less than 10 years ago. Stand composed of open overstory with moderate shrub and nonwoody cover. | FB_0402_LF.xml | Conifer Forest | 230: Subtropical | SAF 80: Loblolly pine-shortleaf pine | FB_0402_LF.xml | ||
| 281 | 403 | Post-blackjack-white oak forest | Ouachita montane oak forest. Occurs above 2400 feet in the mountains of Arkansas and Oklahoma. Stands typically dominated by white oak, post oak and blackjack oak. Stand structure ranges from open woodland to dense thickets of typically stunted trees. This fuelbed represents a fairly dense thicket of small-stature trees. | FB_0403_LF.xml | Broadleaf Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical | SAF 40: Post oak-blackjack oak SRM 731: Cross timbers-Oklahoma SRM 732: Cross timbers-Texas (little bluestem post oak) | FB_0403_LF.xml | |
| 282 | 404 | Yellow poplar-sugar maple-basswood forest | Southern and Central Appalachian cove forests. Consists of mesophytic hardwood (some with hemlock) on sheltered topographic positions below 5000 feet in elevation in the Southern Blue Ridge and central Appalachian Mountains. These forests have highly variable canopy composition; characteristic canopy dominants can include sugar maple, yellow poplar, white ash, and basswood. | FB_0404_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SAF 57: Yellow-poplar SAF 60: Beech-sugar maple | FB_0404_LF.xml |
| 283 | 405 | Northern red oak montane forest | Central and southern Appalachian montane oak forest. Occurs above 3500 feet in the central and southern Appalachian mountains. Stands typically dominated by northern red oak, but some stands may be dominated or co-dominated by white oak. Stand structure ranges from open woodland to dense thickets of typically stunted trees. This fuelbed represents a dense thicket of somewhat short-stature trees. | FB_0405_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental | SAF 53: White oak SAF 55: Northern red oak | FB_0405_LF.xml |
| 284 | 406 | American beech-southern magnolia-oak forest | West Gulf Coastal Plain mesic hardwood forest. Mesic forests occurring in Louisiana, Texas and Arkansas. Stands are dominated by a mixture of American beech, southern magnolia, and oaks. Scattered pines may be present in the canopy. These forests generally occur in small stands on sites that are topographically protected from fire. | FB_0406_LF.xml | Broadleaf Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 60: Beech-sugar maple SAF 88: Willow oak-water oak-diamondleaf oak | FB_0406_LF.xml | |
| 285 | 407 | Darlington oak forest | Southern Coastal Plain dry upland hardwood forest. Occurs in the East Gulf Coastal Plain in Alabama, Florida, Georgia and Mississippi. Stands are typically dominated by Darlington oak (Quercus hemisphaerica), but may be dominated by white oak, post oak, or southern red oak. Scattered pines may be present in the canopy. | FB_0407_LF.xml | Broadleaf Forest | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 230: Subtropical | SAF 53: White oak | FB_0407_LF.xml | |
| 286 | 408 | Quaking aspen-bur oak forest | Eastern great plains aspen parkland. Occurs in northwestern Minnesota and adjacent Canada (Manitoba). Stands are open woodlands to forests dominated by quaking aspen. There is often a moderately dense shrub layer and a component of tallgrass species in the nonwoody stratum. Fire exclusion in this vegetation type has allowed trees and shrubs to become dominant, while the tallgrass herbaceous layer has become less important. | FB_0408_LF.xml | Broadleaf Forest | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 210: Warm Continental | SAF 16: Aspen (eastern) | FB_0408_LF.xml | |
| 287 | 409 | Virginia pine-chestnut oak/little bluestem forest | Appalachian shale barrens. Occur at low elevations in the Appalachian Mountains on exposed shale ridges. Open patchy woodlands of Virginia pine and chestnut oak with distinctive herbaceous vegetation. | FB_0409_LF.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical 210: Warm Continental | SAF 78: Virginia pine-oak | FB_0409_LF.xml |
| 288 | 410 | Table Mountain pine-chestnut oak forest | Southern Appalachian montane pine forest and woodland. Occurs in the southern Appalachian Mountains between 2,000 and 5,000 feet. Typically woodlands dominated by table mountain pine with or without pitch pine and Virginia pine. A dense ericaceous shrub stratum is usually present. The nonwoody stratum is generally sparse. | FB_0410_LF.xml | Mixed Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 230: Subtropical 210: Warm Continental | SAF 45: Pitch pine | FB_0410_LF.xml |
| 289 | 411 | Ashe juniper-oak savanna | Edwards Plateau limestone savanna, woodland and shrublands. These systems are characterized by dominance of evergreen oaks (such as Quercus fusiformis, Q. buckleyi, or Q. sinuata var. brevifolia), often with Ashe juniper. The structure may range from shrubland to open savannas to dense mottes of trees. This fuelbed type occurs in the Edwards Plateau region of Texas. | FB_0411_LF.xml | Savanna | None | 320: Tropical/Subtropical Desert 310: Tropical/Subtropical Steppe | SAF 66: Ashe juniper-redberry (Pinchot) juniper | FB_0411_LF.xml | |
| 290 | 412 | Dwarf bilberry-bog blueberry shrubland | Acadian and Appalachian woodlands and barrens occur at high elevations in the northeastern US and southeastern Canada. These systems are characterized by a dominant dwarf shrub layer, sometimes with stunted Picea mariana and Abies balsamea scattered throughout. Patches of bare ground and rock are also common, as are areas of mosses or lichens. | FB_0412_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SRM 209: Montane shrubland | FB_0412_LF.xml |
| 291 | 413 | Pin oak/bluestem forest | Northern oak barrens occur in the northeastern US and southeastern Canada. They are typically dominated by pin oak and black oak with jack pine, or other conifers, as common associates. Stand structure ranges from open savanna to a more closed woodland with a scattered to near continuous nonwoody layer of grasses and a highly variable mix of forbs. | FB_0413_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 210: Warm Continental | SAF 14: Northern pin oak | FB_0413_LF.xml |
| 292 | 414 | Eastern redcedar/big bluestem savanna | Nashville basin limestone glade and woodland vegetation occurs in central Tennessee. Stand structure is variable, ranging from open savannas and woodlands to shrublands and grasslands to rocky outcroppings with lichens and mosses. | FB_0414_LF.xml | Savanna | None | 220: Hot Continental | SAF 46: Eastern redcedar SRM 733: Juniper-oak SRM 803: Missouri glade | FB_0414_LF.xml | |
| 293 | 415 | Bluestem-forb grassland | Cumberland sandstone glade and barrens vegetation occurs in east-central Tennessee and is composed of bluestem grasses with highly variable mixed forbs and lichens. A sparse canopy layer of Virginia pine, red maple or other dry site pines and oaks is possible. Rocky outcrops with lichens and very sparse herbaceous vegetation are common. | FB_0415_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SRM 710: Bluestem prairie | FB_0415_LF.xml |
| 294 | 416 | Chinkapin oak-eastern redcedar/bluestem savanna | This calcareous glade and woodland vegetation occurs in the central Appalachians, central Alabama, and the Interior Highlands of the Ozark, Ouachita, and Interior Low Plateau regions. The vegetation is typically dominated by mixed grasses and forb under an open canopy of eastern redcedar and chinkapin oak. An open shrub layer is also frequently present. | FB_0416_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental | SAF 46: Eastern redcedar SRM 733: Juniper-oak | FB_0416_LF.xml |
| 295 | 417 | Little bluestem-blackseed speargrass grassland | Glade vegetation occurring in the West Gulf Coastal Plain from Texas to Arkansas on shallow soils and rocky outcrops. This fuelbed is dominated by short grasses and a variable suite of forbs. A sparse canopy layer of post oak, pines or other trees is possible. Rocky outcrops with lichens and mosses are common. | FB_0417_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental | SRM 710: Bluestem prairie | FB_0417_LF.xml |
| 296 | 418 | White spruce/juniper/little bluestem savanna | This alvar vegetation occurs in the Great Lakes basin of the northern US and southern Ontario. The structure is variable, ranging from open outcrops, grasslands or shrublands, to woodlands. Typically alvars are mosaics of these conditions based on soil development. Alvars are often composed of mixed grasslands with sparse overstories of white spruce, northern white-cedar, or jack pine interspersed with shrublands of juniper and other shrubs that thrive on calcareous soils. | FB_0418_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental | FB_0418_LF.xml | |
| 297 | 419 | Blackjack oak-post oak/bluestem savanna | Acidic forest, woodland and glade vegetation of the Llano Uplift region in Texas. These systems are characterized by forest and woodland patches dominated by evergreen oaks interspersed with grasslands and sparsely vegetated rock outcrops. This fuelbed represents the woodland structure of the system. | FB_0419_LF.xml | Savanna | None | 320: Tropical/Subtropical Desert 310: Tropical/Subtropical Steppe | SAF 40: Post oak-blackjack oak | FB_0419_LF.xml | |
| 298 | 420 | Big bluestem-bluejoint grassland | Great Lakes wet-mesic lakeplain prairie vegetation occurs in the southern central Great Lakes region and is dominated by tall grasses with some low shrubs present. Small stature scattered individuals of northern red maple, quaking aspen, green ash, or pin oak are also possible. | FB_0420_LF.xml | Grassland | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 330: Temperate Steppe 210: Warm Continental | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0420_LF.xml |
| 299 | 421 | Chinkapin oak-bur oak/giant cane forest | Bluegrass savanna and woodland vegetation occurs in the Bluegrass Basin of Kentucky. Stand structure varies from open savanna to a more dense woodland of bur oak and chinkapin oak. Extensive canebrakes of giant cane can dominate the understory. | FB_0421_LF.xml | Broadleaf Forest | None | 230: Subtropical | SAF 42: Bur oak (eastern) | FB_0421_LF.xml | |
| 300 | 422 | Post oak-shortleaf pine/bluestem-Indiangrass savanna | Arkansas Valley prairie and woodland vegetation occurs in Arkansas and Oklahoma. It is dominated by tall grasses with or without an open to more dense woodland canopy of shortleaf pine, post oak (or other oaks such as black, blackjack or white oaks). Fire suppression leads to an increase in oak and pine cover and allows other woody species to colonize the prairies. This fuelbed represents a savanna structure with a sparse tree canopy over the dominant tallgrass prairie species. | FB_0422_LF.xml | Savanna | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0422_LF.xml |
| 301 | 423 | Oak/bluestem-Indiangrass savanna | This prairie vegetation occurs in central Tennesee. Similar vegetation is found in Kentucky, Alabama, Georgia and eastern Tennessee. Stands are dominated by tall grasses with or without an open to dense woodland canopy of oaks (typically southern red, blackjack or post oaks; other possible oaks include shingle, white or chestnut). Fire suppression leads to an increase in oak cover and allows other woody species to colonize the prairies. This fuelbed represents a savanna structure with a sparse tree canopy over the dominant tallgrass prairie species. | FB_0423_LF.xml | Savanna | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 230: Subtropical | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0423_LF.xml |
| 302 | 424 | Pondcypress/dahoon holly/sedge forest | Southern Coastal Plain nonriverine cypress domes are dominated by pondcypress with a mixture of other hydrophytic trees and shrubs. Herbaceous vegetation can be dense and is typically dominated by sedges (Carex spp. and Rhynchospora spp. are typical). The shrub stratum may be sparse or dense and is typically more dense toward the outside of the dome where trees are smaller and less dense. Muck or peat soils are common. | FB_0424_LF.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 100: Pondcypress | FB_0424_LF.xml |
| 303 | 425 | Swamp tupelo-sweetbay magnolia forest | Gulf Coastal Plain seepage swamp and baygall vegetation occurs throughout the Gulf Coastal Plain on acidic, seepage-influenced soils. Stands are dominated by a mixture of swamp tupelo and sweetbay magnolia. Other canopy and subcanopy trees include tulip poplar, sweetgum, oaks, hollies and maples. Scattered pines may be present in the canopy. | FB_0425_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 104: Sweetbay-swamp tupelo-redbay | FB_0425_LF.xml |
| 304 | 426 | Sugarberry/acacia forest | Tamaulipan riparian forests and woodlands occur in southern Texas along the Rio Grande. Sugarberry and cedar elm typically dominate the canopy with southwestern and subtropical species in the subcanopy and shrub layer. The herbaceous layer is widespread in younger stands but limited in older stands. | FB_0426_LF.xml | Broadleaf Forest | None | 320: Tropical/Subtropical Desert 310: Tropical/Subtropical Steppe | SAF 93: Sugarberry-American elm-green ash | FB_0426_LF.xml | |
| 305 | 427 | Red spruce-northern white cedar-tamarack forest | Laurentian-Acadian alkaline conifer and hardwood swamps occur in the north central US, east into New England. Stands are dominated by northern white cedar (Thuja occidentalis) with other northern conifers and hardwoods in association. The shrub layer is open to dense depending on canopy density and the herbaceous layer is typically sparse. A surface vegetation layer of mosses, including sphagnum mosses is common. | FB_0427_LF.xml | Conifer Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 210: Warm Continental | SAF 37: Northern white cedar | FB_0427_LF.xml |
| 306 | 428 | Melaleuca forest | Tropical wet sawgrass and muhly grass prairies of southern Florida invaded by Melaleuca quinquenervia. This broadleaf evergreen tree forms dense thickets or forests in wetlands and uplands. | FB_0428_LF.xml | Broadleaf Forest | Introduction of Exotic Species | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 410: Savanna | SRM 819: Freshwater marsh and ponds | FB_0428_LF.xml |
| 307 | 429 | Black locust forest | Forest dominated by introduced species including black locust, tree-of-heaven, or Norway maple occurring throughout the midwestern, northeastern and parts of the southeastern US. This fuelbed represents a forest dominated by black locust outside of its natural range, with tree-of-heaven and Norway maple as possible associated species. | FB_0429_LF.xml | Broadleaf Forest | Introduction of Exotic Species | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 220: Hot Continental 230: Subtropical | SAF 50: Black locust | FB_0429_LF.xml |
| 308 | 430 | White oak-southern red oak forest | Mississippi River Alluvial Plain slope forest dominated by mixed oaks and other hardwood species on loess soils. This forest type is found on Crowley's Ridge in Arkansas. | FB_0430_LF.xml | Broadleaf Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 220: Hot Continental 250: Prairie 230: Subtropical 210: Warm Continental | SAF 52: White oak-black oak-northern red oak | FB_0430_LF.xml |
| 309 | 431 | Chinkapin oak-Shumard oak forest | Oak dominated forest occurring on calcareous soils in the eastern Gulf Coastal Plain region. Chinkapin oak and Shumard's oak, often with other oak species, white ash, southern shagbark hickory, and maples dominate the canopy. The shrub and herbaceous layers are typically well-developed and diverse. | FB_0431_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 91: Swamp chestnut oak-cherrybark oak | FB_0431_LF.xml |
| 310 | 432 | Florida poisontree-West Indian mahogany forest | South Florida hardwood hammocks occur on limestone rocklands. Stands are dominated by tropical evergreen trees. Typical stand structure is a dense canopy with a sparse herbaceous layer and variable shrub layer. Epiphytic ferns, orchids and bromeliads are common on trees and shrubs. | FB_0432_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0432_LF.xml |
| 311 | 433 | Pine-oak/American beachgrass savanna | Martitime vegetation of the Atlantic Coastal Plain ranging from open herbaceous vegetation to woodlands on stable dunes or slightly inland. This fuelbed represents a moderate condition of patchy grassland vegetation interspersed with shrubs and an open canopy of stunted trees. | FB_0433_LF.xml | Savanna | None | 220: Hot Continental 230: Subtropical | SAF 45: Pitch pine | FB_0433_LF.xml | |
| 312 | 434 | Post oak-southern red oak/little bluestem-Indiangrass forest | Mississippi River dune woodlands occur in Missouri, Arkansas and southern Indiana. These woodlands typically have an open canopy of dry site oaks over a grass or mixed herbaceous layer. The shrub layer of small trees and shrubs may be present. | FB_0434_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 40: Post oak-blackjack oak | FB_0434_LF.xml |
| 313 | 435 | Little bluestem-buffalograss grassland | Grassland vegetation with scattered mottes of honey mesquite and Texas live oak on clay soils along the coastal plain of Texas. | FB_0435_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SRM 710: Bluestem prairie | FB_0435_LF.xml |
| 314 | 436 | Shore little bluestem-paspalum grassland | Grassland occuring in the southern tip of Texas on wind deposited sands. Typically dominated by bluestems, gulfdune paspalum and brownseed paspalum along with other grasses and forbs. | FB_0436_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 310: Tropical/Subtropical Steppe | SRM 720: Sand bluestem-little bluestem dunes | FB_0436_LF.xml |
| 315 | 437 | Saltmeadow cordgrass-switchgrass grassland | Grassland occurring in southern Texas on dunes, swales, and barrier islands. Typically dominated by mixed grasses, forbs and vines (depending on topographic position). This fuelbed represents the swale grassland of the coastal matrix. Sparse shrub layer of wax myrtle or acacia and honey mesquite may be present. In the absence of fire, shrubs become more dominant. | FB_0437_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 310: Tropical/Subtropical Steppe | FB_0437_LF.xml | |
| 316 | 438 | Pondcypress/pond apple forest | South Florida cypress domes are dominated by pondcypress with a mixture of other hydrophytic trees and shrubs. Herbaceous vegetation on the surface is sparse, although epiphytic ferns, bromeliads and orchids are very common in the shrubs and trees. | FB_0438_LF.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna 230: Subtropical | SAF 100: Pondcypress | FB_0438_LF.xml |
| 317 | 439 | Pondcypress/swamp titi/maidencane savanna | Carolina bay savannas are elliptical wetlands occurring primarily in the Atlantic Coastal Plain of North and South Carolina and Georgia. The bays have highly variable species composition and structure. This fuelbed represents a grassland with an open canopy of pondcypress and scattered shrubs (the shrubs may also occur in an ecotonal zone around the grassland). | FB_0439_LF.xml | Savanna | Prescribed Fire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 100: Pondcypress | FB_0439_LF.xml |
| 318 | 440 | Pondcypress-cabbage palm-strangler fig forest | Caribbean swamp forests occur in southern Florida and are dominated by pondcypress and mixed hardwoods. The composition is a mixture of temperate and tropical species in the canopy, shrub and nonwoody layers. Herbaceous vegetation may be sparse or widespread depending on canopy and shrub density. Epiphytic ferns, bromeliads and orchids are very common in the shrubs and trees. | FB_0440_LF.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna 230: Subtropical | SAF 100: Pondcypress SRM 816: Cabbage palm hammocks | FB_0440_LF.xml |
| 319 | 441 | Red maple-black ash/common winterberry forest | Central Interior and Appalachian swamp forests occur in northern midwestern U.S. but are also present in the Northeast. Elms, ashes and maples dominate the canopy and birch, white pine, red spruce and eastern hemlock are possible associates. | FB_0441_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 210: Warm Continental | SAF 62: Silver maple-American elm | FB_0441_LF.xml |
| 320 | 442 | Bulrush grassland | Prairie potholes are typically dominated by herbaceous vegetation. Bulrushes are a common dominant species, although vegetation composition is highly variable depending on topograpy, hydrology, and salinity. This fuelbed represents pothole vegetation dominated by bulrushes with standing water through much of the growing season and very little soil organic matter content. | FB_0442_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 250: Prairie | FB_0442_LF.xml | |
| 321 | 443 | Prairie cordgrass-bluejoint grassland | Great Plains marshes are dominated by tall grasses including prairie cordgrass and bluejoint. These wet grasslands occur in riparian areas from north central US south to Texas. In some areas, the soils may have high organic matter content. | FB_0443_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 250: Prairie | SRM 726: Cordgrass | FB_0443_LF.xml |
| 322 | 445 | Woollyfruit sedge-yellow sedge grassland | Central Interior and Appalachian wetlands composed of shrubs and a dense herbaceous layer on muck or peat soils. These wetlands occur in the north central US and east into the Appalachians. Sedges often dominate these wetlands and a mix of generally short shrubs may be scattered or dense over the herbaceous layer. | FB_0445_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 250: Prairie | FB_0445_LF.xml | |
| 323 | 448 | Bald cypress-tupelo/swamp titi forest | Nonriverine swamp forest dominated by bald cypress and water tupelo that occurs in very poorly drained areas of the mid-Atlantic Coastal Plain. The shrub layer in these swamps tends to be more dense than in riverine swamps. | FB_0448_LF.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SAF 102: Baldcypress-tupelo | FB_0448_LF.xml |
| 324 | 449 | Pin oak-white oak/buttonbush forest | North-Central Interior wet flatwoods occur on poorly drained uplands or as depressions on glacial plains throughout the glaciated midwest and east into New England. Stands are dominated by oak species with a variety of associated hardwoods that vary by geographic location. | FB_0449_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental | SAF 65: Pin oak-sweetgum | FB_0449_LF.xml |
| 325 | 450 | Oak-Ashe juniper forest | Edwards Plateau slope forest and woodland. These systems are characterized by dominance of evergreen oaks (such as Quercus fusiformis, Q. buckleyi, or Q. sinuata var. brevifolia), often with Ashe juniper. The structure ranges from open to closed canopy over a variable shrub layer with grassy openings. This fuelbed type occurs in the Edwards Plateau region of Texas. | FB_0450_LF.xml | Mixed Forest | None | 320: Tropical/Subtropical Desert 310: Tropical/Subtropical Steppe | SAF 66: Ashe juniper-redberry (Pinchot) juniper | FB_0450_LF.xml | |
| 326 | 451 | Texas live oak/roughleaf dogwood forest | Edwards Plateau mesic canyon forest. These mesic forests are characterized by dominance of evergreen oaks (such as Quercus fusiformis, Q. buckleyi, or Q. sinuata var. brevifolia) and other hardwoods. The structure ranges from open to closed canopy over a variable shrub layer with grassy openings. This fuelbed type occurs in the Edwards Plateau region of Texas. | FB_0451_LF.xml | Broadleaf Forest | None | 320: Tropical/Subtropical Desert 310: Tropical/Subtropical Steppe | SAF 66: Ashe juniper-redberry (Pinchot) juniper | FB_0451_LF.xml | |
| 327 | 453 | Bluestem-tall fescue-switchgrass grassland | This grassland fuelbed represents old fields in the central and eastern US that are transitioning toward shrub and tree development. Composition varies by geographic location. | FB_0453_LF.xml | Grassland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical 210: Warm Continental | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0453_LF.xml |
| 328 | 454 | American beech-maple/American red raspberry forest | A northern hardwood forest with beech and pin cherry as the most abundant species in the midstory. These species dominated the regeneration following selection cuts in the past. Some beech, sugar maple and yellow birch have grown through to the overstory. This fuelbed represents stands greater than 60 years old with a history of selective tree harvests but no recent management. | FB_0454_LF.xml | Broadleaf Forest | Selection Cut (thin large diameter) | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 210: Warm Continental | SAF 17: Pin cherry SAF 25: Sugar maple-beech-yellow birch | FB_0454_LF.xml |
| 329 | 455 | Red pine forest | Red pine plantations are common throughout the Great Lakes region. The canopy is dominated by red pine, with other species naturally regenerating beneath in the midstory and understory. This fuelbed represents a 40 to 50 year old plantation that was thinned about 10 years ago. | FB_0455_LF.xml | Conifer Forest | Thinning (thin from below) | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 210: Warm Continental | SAF 15: Red pine SAF 21: Eastern white pine | FB_0455_LF.xml |
| 330 | 456 | Chinese tallow forest | Introduced wetland vegetation dominated by Chinese tallow (Triadica sebifera). Stands occur throughout the southeastern coastal plain. Tallow invades all types of wetland vegetation from forests to grasslands. This fuelbed represents a dense forest established in a former coastal grassland. | FB_0456_LF.xml | Broadleaf Forest | Introduction of Exotic Species | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | FB_0456_LF.xml | |
| 331 | 457 | Florida strangler fig-gumbo limbo-cabbage palm forest | South Florida Coastal Strand and Maritime Hammock. This hardwood hammock vegetation occurs in South Florida on various substrates from shallow soils over limestone rock to deeper organic soils built up over time in marshes. The area closer to the coast may be wind-pruned, but further inland trees are more protected and reach normal heights. The closed canopy is dominated by a wide variety of tropical hardwoods over a fairly sparse shrub layer and very sparse nonwoody layer. | FB_0457_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0457_LF.xml |
| 332 | 458 | Berlandier's fiddlewood-Texas ebony shrubland | South Texas Lomas. This evergreen thornscrub vegetation occurs on xeric clay loam soils adjacent to tidal flats in South Texas. | FB_0458_LF.xml | Shrubland | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 310: Tropical/Subtropical Steppe | FB_0458_LF.xml | |
| 333 | 459 | Northern oak forest | Laurentian oak barrens occur in the Great Lakes region on dry soils. The canopy is dominated by pin oak with scattered pines. Shrub layer is sparse. Herbaceous layer is dominated by grasses and sedges. | FB_0459_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SAF 14: Northern pin oak | FB_0459_LF.xml |
| 334 | 460 | Northern pine-oak forest | Laurentian pine-oak barrens occur in the Great Lakes region on dry soils. The canopy is dominated by large pines and pin oak. Shrub layer is sparse. Herbaceous layer is dominated by grasses and sedges. | FB_0460_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SAF 1: Jack pine SAF 14: Northern pin oak | FB_0460_LF.xml |
| 335 | 461 | Post oak-black oak forest | Dry forests dominated by mixed oak species, usually post oak and black oak. Other oaks may also be present depending on geographic location and soil type. These forests occur mainly in the Piedmont of the southern U.S. This fuelbed represents stands greater than 90 years old. | FB_0461_LF.xml | Broadleaf Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical | SAF 40: Post oak-blackjack oak SAF 110: Black oak | FB_0461_LF.xml | |
| 336 | 462 | Spruce-hardwood barrens | Black spruce and red spruce with mixed hardwoods occurring in the Acadian near-boreal zone. The overstory can be sparse to almost closed. The shrub layer is characterized by a dense ericaceous shrubs and lichens are often abundant in the ground layer. | FB_0462_LF.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SAF 12: Black spruce SAF 32: Red spruce | FB_0462_LF.xml |
| 337 | 463 | Willow oak-water oak forest | East Gulf Coastal Plain southern hardwood flatwoods are multilayerd forests dominated by oaks and other hardwoods on moist to wet sites. | FB_0463_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 88: Willow oak-water oak-diamondleaf oak | FB_0463_LF.xml |
| 338 | 464 | Loblolly pine-willow oak forest | East Gulf Coastal Plain southern pine-hardwood flatwoods are multilayerd forests dominated by loblolly pine, oaks and other hardwoods on moist to wet sites. | FB_0464_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 88: Willow oak-water oak-diamondleaf oak SAF 82: Loblolly pine-hardwood | FB_0464_LF.xml |
| 339 | 465 | Post oak-southern red oak-loblolly pine forest | West Gulf Coastal Plain hardwood flatwoods occur in Arkansas, Louisiana and eastern Texas. These woodlands typically have an open canopy of dry site oaks and scattered pines over a grass or mixed herbaceous layer. A sparse shrub layer of small trees and shrubs may be present. | FB_0465_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 40: Post oak-blackjack oak | FB_0465_LF.xml |
| 340 | 466 | Loblolly pine-post oak-southern red oak forest | West Gulf Coastal Plain pine and hardwood flatwoods occur in Arkansas, Louisiana and eastern Texas. These woodlands typically have an open canopy of pines and dry site oaks over a grass or mixed herbaceous layer. A sparse shrub layer of small trees and shrubs may be present. | FB_0466_LF.xml | Broadleaf Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 40: Post oak-blackjack oak | FB_0466_LF.xml |
| 341 | 467 | Northern and Central native ruderal forest | Early successional forests, often growing on abandoned agrictultural fields of the central and northeastern US dominated by a variety of native species incuding white pine, maples, birches, and others. | FB_0467_LF.xml | Mixed Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental | SAF 20: White pine-northern red oak-red maple | FB_0467_LF.xml | |
| 342 | 468 | Edwards Plateau floodplain terrace | Hardwood floodplain forest dominated by pecan and sugarberry occurring along major streams and rivers from Kansas and Arkansas, south to Texas and Louisiana. | FB_0468_LF.xml | Broadleaf Forest | Fire Exclusion | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 210: Warm Continental 220: Hot Continental 230: Subtropical 250: Prairie | SAF 52: White oak-black oak-northern red oak | FB_0468_LF.xml |
| 343 | 469 | Northern and central ruderal wet meadow and marsh | Wet meadow or marsh vegetation heavily invaded by purple loosestrife (Lythrum salicaria) or cattail (Typha latifolia) occurring in the central and northern United States and much of eastern Canada. | FB_0469_LF.xml | Grassland | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental 250: Prairie 330: Temperate Steppe | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0469_LF.xml |
| 344 | 470 | Southeastern native ruderal forest | Stands are dominated by loblolly pine and weedy hardwood species. Native weedy species and introduced trees dominate the overstory and a mix of native and introduced shrub and herbaceous species dominate the understory. | FB_0470_LF.xml | Grassland | Prescribed Fire | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental 250: Prairie 330: Temperate Steppe | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0470_LF.xml |
| 345 | 471 | Ouachita novaculite glade and woodland | Glades and woodlands on novaculite geology in western Arkansas. Mosaics of oak and juniper woodland, areas of stunted Quercus marilandica var. ashei, and rock outcrops with lichens. | FB_0471_LF.xml | Savanna | None | 220: Hot Continental 250: Prairie | SAF 46: Eastern redcedar SRM 733: Juniper-oak SRM 803: Missouri glade | FB_0471_LF.xml | |
| 346 | 472 | Laurentian acidic rocky outcrop | Open jack pine and black spruce woodland occurs in the northern Great Lake States on shallow sandy or rocky sites. The vegetation is scattered jack pine and black spruce with an understory composed of dwarf shrubs, a sparse herbaceous layer and mosses and lichens. | FB_0472_LF.xml | Savanna | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SAF 1: Jack pine | FB_0472_LF.xml |
| 347 | 473 | Texas plains xeric sandyland | Xeric herbaceous grassland with patches of oak woodland or savanna in east-central Texas. | FB_0473_LF.xml | Savanna | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 330: Temperate Steppe | SAF 42: Bur oak (eastern) SAF 236: Bur oak (western) SRM 801: Savanna | FB_0473_LF.xml |
| 348 | 474 | Acadian sub-boreal spruce flat | Mature red spruce -- balsam fir forest which generally occurs between 800 and 3,000 feet. Fire frequency has increased since European occupation. Red spruce -- balsam fir forests are susceptible to spruce budworm infestations. This fuelbed is described from a site that was clearcut for agricultural use and abandoned over 100 years previously. | FB_0474_LF.xml | Conifer Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 210: Warm Continental 220: Hot Continental | SAF 33: Red spruce-balsam fir | FB_0474_LF.xml |
| 349 | 475 | Southern Coastal Plain herbaceous seep | Seepage wetlands of the eastern Gulf coastal plain occuring from Louisiana east across northern Florida. These fire-maintained wetlands are dominated by grasses, sedges and forbs. Shrubs become established in the absence of fire. | FB_0475_LF.xml | Savanna | Prescribed Fire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 410: Savanna | SAF 70: Longleaf pine SRM 812: North Florida flatwoods SRM 821: Pitcher plant bogs | FB_0475_LF.xml |
| 350 | 476 | West Gulf Coastal Plain herbaceous seep and bog | Mesic to wet savannas with very open, scattered longleaf pine over a diverse herbaceous layer dominated by grasses and many forb species, 2-3 years after prescribed fire. History of periodic prescribed fire maintains herbaceous layer diversity by reducing cover native and nonative understory shrubs and trees. | FB_0476_LF.xml | Savanna | Prescribed Fire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 410: Savanna | SAF 70: Longleaf pine SRM 812: North Florida flatwoods SRM 821: Pitcher plant bogs | FB_0476_LF.xml |
| 351 | 477 | Central Florida wet prairie and herbaceous seep | Mesic to wet savannas with very open, scattered longleaf pine over a diverse herbaceous layer dominated by grasses and many forb species, 2-3 years after prescribed fire. History of periodic prescribed fire maintains herbaceous layer diversity by reducing cover native and nonative understory shrubs and trees. | FB_0477_LF.xml | Savanna | Prescribed Fire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 410: Savanna | SAF 70: Longleaf pine SRM 812: North Florida flatwoods SRM 821: Pitcher plant bogs | FB_0477_LF.xml |
| 352 | 478 | South Florida pine rockland | Open canopy of South florida slash pine with a patchy shrub layer and a diverse herbaceous layer. The open shrub/subcanopy layer contains many palm and hardwood species. The herbaceous layer is also diverse, with many grass, forb, fern and sedge species. | FB_0478_LF.xml | Conifer Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical 410: Savanna | SAF 70: Longleaf pine SRM 812: North Florida flatwoods SRM 821: Pitcher plant bogs | FB_0478_LF.xml |
| 353 | 479 | Pacific Islands palm forest | Maritime forests found principally on the lee sides of dunes throughout the southern Atlantic and Gulf Coastal plains in Virginia, North Carolina, South Carolina, Georgia, Florida and Alabama. The area closer to the coast may be wind-pruned, but further inland trees are more protected and reach normal heights. | FB_0479_LF.xml | Mixed Forest | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical | SAF 74: Cabbage palmetto SRM 816: Cabbage palm hammocks SRM 817: Oak hammocks | FB_0479_LF.xml |
| 354 | 480 | Hawai'i introduced wetland vegetation | Marsh vegetation dominated by introduced species in Hawai'i. Batis maritima, Juncus and Typha species are common wetland invasives in Hawai'i. | FB_0480_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SRM 806: Gulf coast salt marsh SRM 818: Florida salt marsh | FB_0480_LF.xml |
| 355 | 481 | Caribbean Pterocarpus swamp | Caribbean swamp forest or woodland on alluvial soils with Pterocarpus and other evergreens and palms. | FB_0481_LF.xml | Conifer Forest | None | 230: Subtropical | SAF 98: Pond pine | FB_0481_LF.xml | |
| 356 | 482 | South Florida dwarf cypress savanna | Tropical wet prairies of southern Florida dominated by sawgrass (Cladium mariscus ssp. jamaicense) and muhly grass (Muhlenbergia filipes). This fuelbed represents an intact wet prairie. | FB_0482_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 410: Savanna | SRM 819: Freshwater marsh and ponds | FB_0482_LF.xml |
| 357 | 483 | Southern Vancouverian lowland ruderal grassland & shrubland | Coastal Pacific northwest shrubland dominated by invasive shrubs and grasses. | FB_0483_LF.xml | Savanna | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 320: Tropical/Subtropical Desert | SAF 68: Mesquite SAF 242: Mesquite SRM 728: Mesquite-granjeno-acacia SRM 729: Mesquite | FB_0483_LF.xml | |
| 358 | 484 | Tamaulipan Saline Thornscrub | Open shrubland on saline clays in the Tamaulipan region of southern Texas. Honey mesquite (Prosopis glandulosa) forms a sparse canopy over a variety of shrubs and subshrubs. | FB_0484_LF.xml | Savanna | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 320: Tropical/Subtropical Desert | SAF 68: Mesquite SAF 242: Mesquite SRM 728: Mesquite-granjeno-acacia SRM 729: Mesquite | FB_0484_LF.xml | |
| 359 | 485 | Hawai'i introduced evergreen shrubland | This introduced evergreen shrubland is dominated by Schinus terebinthifolius (Christmas berry) and/or Ulex euopaeus (gorse). Christmas berry invades wet lowland plant communities. Gorse can invade dry areas, mesic or wet areas, upland forests and subalpine shrublands. | FB_0485_LF.xml | Shrubland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 230: Subtropical 410: Savanna | SRM 816: Cabbage palm hammocks | FB_0485_LF.xml | |
| 360 | 486 | Northern Atlantic coastal plain calcareous ravine | Ravine system that includes mesic slope forests of beech, poplar and oaks; forested seepage wetlands with ash, maple and swamp tupelo; and drier slope forests of chinquapin oak and chestnut oak. This fuelbed describes the drier slope forest. | FB_0486_LF.xml | Broadleaf Forest | Fire Exclusion | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 230: Subtropical | SAF 20: White pine-northern red oak-red maple SAF 44: Chestnut oak | FB_0486_LF.xml |
| 361 | 487 | Semi-desert coastal scrub shrubland | Succulent shrublands along coastal bluffs in southern California and Baja Norte, Mexico. | FB_0487_LF.xml | Shrubland | None | 260: Mediterranean | SRM 507: Palo Verde-cactus | FB_0487_LF.xml | |
| 362 | 488 | Atlantic coastal plain northern bog | Sphagnum bog vegetation in acidic, tannic water with floating or grounded sphagnum mat and evergreen shrubs and scattered trees in the shrub layer and overstory. | FB_0488_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 210: Warm Continental | SRM 209: Montane shrubland | FB_0488_LF.xml |
| 363 | 489 | Interior West ruderal riparian scrub | Riparian vegetation of the interior West dominated by non-native Tamarix spp. and other ruderal species. | FB_0489_LF.xml | Shrubland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert 320: Tropical/Subtropical Desert | SRM 414: Salt desert shrub | FB_0489_LF.xml |
| 364 | 490 | West gulf coastal plain flatwoods pond grassland | Depression ponds within wet pine flatwoods. Tall wetland grasses and sedges dominate the vegetation, but semi-aquatic herbaceous species are present also. Woody shrubs may be present but most are excluded due to periodic fires in the surrounding flatwoods. | FB_0490_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert 330: Temperate Steppe | SRM 216: Montane meadows SRM 422: Riparian (great basin) | FB_0490_LF.xml |
| 365 | 491 | East gulf coastal plain depression pondshore | Pondshore vegetation of the Eastern Gulf coastal plain. Vegetation varies among occurrences and is zonal with water depth. Fuelbed represents a grass dominated pondshore. | FB_0491_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert 330: Temperate Steppe | SRM 216: Montane meadows SRM 422: Riparian (great basin) | FB_0491_LF.xml |
| 366 | 492 | Southeastern coastal plain interdunal wetland | Wet dune swales on Gulf and Atlantic coast barrier islands. Most sites are graminoid dominated but the mix of species varies widely. This fuelbed represents sand cordgrass, muhly, bluestem dominated interdunal swale vegetation. | FB_0492_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert 330: Temperate Steppe | SRM 216: Montane meadows SRM 422: Riparian (great basin) | FB_0492_LF.xml |
| 367 | 493 | Temperate Pacific freshwater emergent marsh | Freshwater marshes found throughout the temperate Pacific Coast and mountains. These semipermanently flooded marshes hold water through most of the growing season. Soils are mineral or muck. Emergent plants, mostly grasses and sedges, dominate the marshes but floating aquatic plants and various forbs are also present. | FB_0493_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert 330: Temperate Steppe | SRM 216: Montane meadows SRM 422: Riparian (great basin) | FB_0493_LF.xml |
| 368 | 494 | Inter-mountain basins alkaline closed depression | Seasonally flooded playas of the Columbia Plateau and northern Great Basin that are dominated by salt-tolerant species. | FB_0494_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert 330: Temperate Steppe | SRM 216: Montane meadows SRM 422: Riparian (great basin) | FB_0494_LF.xml |
| 369 | 495 | Caribbean emergent wetlands | Caribbean freshwater emergent marsh hold water through most of the growing season. Emergent plants such as grasses and sedges dominate the vegetation but floating aquatic plants and various forbs are also present. | FB_0495_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 340: Temperate Desert 330: Temperate Steppe | SRM 216: Montane meadows SRM 422: Riparian (great basin) | FB_0495_LF.xml |
| 370 | 496 | Western larch savanna | Western larch savanna with open overstory and sparse understory trees. Grasses dominate the surface vegetation | FB_0496_LF.xml | Conifer Forest | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 330: Temperate Steppe 320: Tropical/Subtropical Desert | SAF 212: Western larch SAF 218: Lodgepole pine | FB_0496_LF.xml |
| 371 | 497 | North Pacific maritime coastal sand dune ruderal scrub & herb vegetation | Dune vegetation on shifting sands dominated by non-native beach grasses and low shrubs. | FB_0497_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic 120: Tundra | SRM 903: Beach wildrye-mixed forb | FB_0497_LF.xml |
| 372 | 498 | Interior western North American temperate ruderal grassland & shrubland | Widespread upland shrubland and grassland dominated by invasive, non-native species. | FB_0498_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 130: Subarctic 120: Tundra | SRM 903: Beach wildrye-mixed forb | FB_0498_LF.xml |
| 373 | 499 | Tamaulipan depression woodland | Depression woodland in eastern Texas with scattered small trees and shrubs over a diverse herbaceous layer of dryland and wetland species. | FB_0499_LF.xml | Shrubland | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 320: Tropical/Subtropical Desert | SAF 68: Mesquite SAF 242: Mesquite SRM 728: Mesquite-granjeno-acacia SRM 729: Mesquite | FB_0499_LF.xml |
| 374 | 500 | Shrub steppe of the Llano Estacado escarpment | Caprock escarpment shrub steppe in western Texas and eastern New Mexico. The shrub layer is highly variable ranging from sparse to dense with some potentially reaching tree stature. The herbaceous layer is typically sparse. | FB_0500_LF.xml | Shrubland | None | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 320: Tropical/Subtropical Desert | SAF 68: Mesquite SAF 242: Mesquite SRM 728: Mesquite-granjeno-acacia SRM 729: Mesquite | FB_0500_LF.xml |
| 375 | 501 | Yellow poplar ruderal swamp forest | maybe delete - check for similar fuelbeds to use. | FB_0501_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 220: Hot Continental 230: Subtropical | SAF 57: Yellow-poplar SAF 60: Beech-sugar maple | FB_0501_LF.xml |
| 376 | 502 | Cumberland sandstone glade and barrens | Cumberland sandstone glade and barrens vegetation occurs in east-central Tennessee and is composed of bluestem grasses with highly variable mixed forbs and lichens. A sparse canopy layer of Virginia pine, red maple or other dry site pines and oaks is possible. Rocky outcrops with lichens and very sparse herbaceous vegetation are common. | FB_0502_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SRM 710: Bluestem prairie | FB_0502_LF.xml |
| 377 | 503 | Panhandle Florida limestone glade | Limestone glades of the Florida panhandle with areas of exposed limestone, grasses and forbs, and woody species on soil islands and borders of the outcrops. | FB_0503_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SRM 710: Bluestem prairie | FB_0503_LF.xml |
| 378 | 504 | Laurentian-Acadian calcareous rocky outcrop | Calcareous rocky outcrop with an open canopy of eastern redcedar and several hardwoods over a relatively diverse herbaceous layer. Vegetation is scattered in shallow soil islands, rock fissures and in deeper soil surrounding the outcrop. | FB_0504_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SRM 710: Bluestem prairie | FB_0504_LF.xml |
| 379 | 505 | Northern Appalachian-Acadian rocky heath outcrop | Dry, acidic oak woodland that occurs on upper slopes and summits from New England to West Virginia. Somewhat stunted red oak and other northern oaks and hardwoods dominate the open overstory. Evergreen shrubs dominate the dwarf shrub layer. Deciduous shrubs may be present also. | FB_0505_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SRM 710: Bluestem prairie | FB_0505_LF.xml |
| 380 | 506 | Idaho fescue-California oatgrass grassland | Perennial bunchgrass communities used to be more frequent in the Pacific Northwest than they are now. They are being lost due to development, grazing, and the absence of fire. This grassland fuelbed occurs in the Wallowa Mountains and Blue Mountains. | FB_0506_LF.xml | Grassland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 240: Marine 260: Mediterranean | SRM 101: Bluebunch wheatgrass SRM 102: Idaho fescue SAF 233: Oregon white oak SRM 304: Idaho fescue-bluebunch wheatgrass SRM 613: Fescue grassland | FB_0506_LF.xml | |
| 381 | 507 | North-central interior quartzite glade | Oak-hickory glades on thin, acidic silt loam soils with exposed bedrock. Tree canopy is fairly dense, the shrub layer is sparse, and the herbacous layer is fairly diverse. | FB_0507_LF.xml | Savanna | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0507_LF.xml |
| 382 | 508 | Southern and Central Appalachian mafic glade and barrens | Vegetation is a patchy mosaic of small bare rock outcrops, open woodlands of oaks and conifers, a short shrub component and a fairly dense herbaceous layer. | FB_0508_LF.xml | Savanna | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0508_LF.xml |
| 383 | 509 | Southern Ridge and Valley calcareous glade and woodland | Vegetation is a mosaic of open grass and herb glades surrounded by woodlands of oaks and juniper. | FB_0509_LF.xml | Savanna | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0509_LF.xml |
| 384 | 511 | Use this one: Southeastern coastal plain natural lakeshore | Lakeshore vegetation of southeastern Atlantic coastal plain. Vegetation ranges from emergent aquatic species to grasses and forbs along the shoreline. May grade into swamp forest in some areas. | FB_0511_LF.xml | Mixed Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical | SAF 100: Pondcypress | FB_0511_LF.xml |
| 385 | 512 | Texas-Louisiana coastal prairie pondshore | Wetlands within coastal areas of southeastern Texas and Louisiana that are dominated by grasses, sedges and forbs. | FB_0512_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 310: Tropical/Subtropical Steppe | SRM 720: Sand bluestem-little bluestem dunes | FB_0512_LF.xml |
| 386 | 513 | Southwest Florida dune and coastal grassland | Coastal grassland occurring in southwest Florida on dunes and barrier islands. Typical dune species such as Uniola paniculata and Iva imbricata are present. | FB_0513_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 310: Tropical/Subtropical Steppe | FB_0513_LF.xml | |
| 387 | 514 | Pacific coastal dunes grassland | Coastal grassland on sand dunes of the Pacific Coast. Vegetation is patchy and dominated by native grasses and forbs. The introduced grass Ammophila arenaria is prevalent in some dune systems. | FB_0514_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 310: Tropical/Subtropical Steppe | FB_0514_LF.xml | |
| 388 | 516 | Great lakes dune | Coastal grassland on sand dunes along shorelines of the Great Lakes. Native grasses colonize different zones: Ammophila breviligulata on foredunes, Calamovilfa longifolia on blowouts, and Schizachyrium scoparium in stablie areas. | FB_0516_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 310: Tropical/Subtropical Steppe | FB_0516_LF.xml | |
| 389 | 517 | Caribbean coastal beach systems | Coastal vegetation on open beaches of the Carribbean islands and coastlines. Vegetation is patchy and dominated by grasses and forbs. Isolated short trees or shrubs are present on some dunes. | FB_0517_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 230: Subtropical 310: Tropical/Subtropical Steppe | FB_0517_LF.xml | |
| 390 | 518 | Northern and Central plains ruderal grassland and shrubland | Northern Plains grassland that is now dominated by introduced species due to past land use disturbances. | FB_0518_LF.xml | Grassland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical 210: Warm Continental | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0518_LF.xml |
| 391 | 519 | Southeastern ruderal grassland | This grassland fuelbed represents old fields in the southeastern US. Composition varies with geographic location, but includes weedy native and introduced species. | FB_0519_LF.xml | Grassland | None | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 220: Hot Continental 250: Prairie 230: Subtropical 210: Warm Continental | SRM 601: Bluestem prairie SRM 710: Bluestem prairie | FB_0519_LF.xml |
| 392 | 520 | Caribbean drought deciduous dense woodland | Low stature woodland with a high stem density due to many species that coppice. Trees and shrubs in these dry woodlands are generally either drought deciduous or drought tolerant evergreen species. | FB_0520_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0520_LF.xml |
| 393 | 521 | Caribbean semi-deciduous and drought deciduous forest on alluvium | Semi-deciduous and drought deciduous forests on alluvial soils dominated by gumbo-limbo, acacias, and velvet mesquite. | FB_0521_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0521_LF.xml |
| 394 | 522 | Caribbean seasonal evergreen and semi-deciduous forest on karst | Caribbean forest vegetation dominated by seasonal evergreen and semi-deciduous trees. | FB_0522_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0522_LF.xml |
| 395 | 523 | Caribbean seasonal evergreen and evergreen forest | Seasonal evergreen forest dominated by false mastic, pricklyash and other evergreen trees. | FB_0523_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0523_LF.xml |
| 396 | 524 | Caribbean evergreen and seasonal evergreen forest on karst | Evergreen and seasonal evergreen dense forest vegetation dominated by species that are adapted to frequent drought conditions. | FB_0524_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0524_LF.xml |
| 397 | 525 | Caribbean evergreen forest on serpentine | Caribbean evergreen and seasonal evergreen forest growing on serpentine substrate. The canopy is composed of mainly sclerophyllous trees, with vines and cacti | FB_0525_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0525_LF.xml |
| 398 | 526 | Caribbean seasonal evergreen forest with coconut palm | Seasonal evergreen forest on limestone-derived soils. Tree layer is dominated by false mastic, pricklyash and other seasoanal evergreen and evergreen trees. | FB_0526_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0526_LF.xml |
| 399 | 527 | Pacific Islands ravine forest | Broadleaved evergreen mixed forest with palms, screw pine, and hardwoods in the Pacific Islands. | FB_0527_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0527_LF.xml |
| 400 | 528 | Great Basin & Intermountain ruderal shrubland | Sagebrush steppe shrublands that have a significant herbaceous component of non-native, invasive species. | FB_0528_LF.xml | Shrubland | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 330: Temperate Steppe 340: Temperate Desert | SRM 314: Big sagebrush-bluebunch wheatgrass SRM 315: Big sagebrush-Idaho fescue SRM 401: Basin big sagebrush SRM 402: Mountain big sagebrush SRM 403: Wyoming big sagebrush | FB_0528_LF.xml | |
| 401 | 529 | Great Basin & Intermountain Introduced Annual and Biennial Forbland | Semi-desert scrub and grassland dominated by invasive, non-native shrubs, grasses and forbs. | FB_0529_LF.xml | Grassland | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 330: Temperate Steppe 340: Temperate Desert | SRM 101: Bluebunch wheatgrass SRM 102: Idaho fescue | FB_0529_LF.xml | |
| 402 | 530 | Temperate Pacific subalpine-montane wet meadow | Montane and subalpine wet meadows of the Pacific Northwest are commonly dominated by grasses and sedges with less abundant forbs. This fuelbed is based on a widespread Carex aquatilis meadow type. | FB_0530_LF.xml | Shrubland | Wildfire | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 260: Mediterranean 330: Temperate Steppe 340: Temperate Desert | SRM 209: Montane shrubland SRM 216: Montane meadows | FB_0530_LF.xml |
| 403 | 531 | Rocky Mountain alpine-montane wet meadow | Montane and alpine meadows dominated by graminoids with scattered herbaceous species. These meadows are typically cold and wet, and have a short growing season. The meadows are often a mix of plant associations so many species may occupy a relatively small area. | FB_0531_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 330: Temperate Steppe 340: Temperate Desert | SRM 216: Montane meadows SRM 914: Mesic sedge-grass-herb meadow tundra | FB_0531_LF.xml |
| 404 | 532 | Western ruderal marsh or wet meadow | Wet meadows or marshes of the western US that are dominated by various non-native species of sedges, grasses, and herbs. | FB_0532_LF.xml | Grassland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 240: Marine 330: Temperate Steppe 340: Temperate Desert | SRM 216: Montane meadows SRM 914: Mesic sedge-grass-herb meadow tundra | FB_0532_LF.xml |
| 405 | 533 | California ruderal grassland meadow | Grasslands dominated by non-native grasses and forbs in warm-temperate or Mediterranean California. Non-native species dominate the foliar cover (50-96%). | FB_0533_LF.xml | Grassland | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 260: Mediterranean | SRM 214: Coastal prairie | FB_0533_LF.xml | |
| 406 | 534 | Pacific islands savanna | Pacific islands savanna with understory dominated by Miscanthus floridulus (Pacific islands silvergrass) with Casuarina equisetifolia (beach she-oak) in the sparse tree layer. | FB_0534_LF.xml | Savanna | Introduction of Exotic Species | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 420: Rainforest | FB_0534_LF.xml | |
| 407 | 535 | Northwestern Great Plains canyon shrubland | Riparian wet shrubland of the northwestern Great Plains that is dominated by willow shrubs and perennial grasses. | FB_0535_LF.xml | Shrubland | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 120: Tundra 130: Subarctic | SRM 901: Alder (Alaska) SRM 921: Willow | FB_0535_LF.xml |
| 408 | 538 | Pacific Islands limestone forest | Broadleaf, evergreen forests on limestone plateaus or cliffs on Pacific Islands. There are different vegetation structures, e.g., dense scrub, on thinner soils near limestone outcrops and cliffs. | FB_0538_LF.xml | Broadleaf Forest | None | Class 1: Fire regimes are within the natural (historical) range and the risk of losing key ecosystem components is low | 410: Savanna | SAF 105: Tropical hardwoods (Florida) | FB_0538_LF.xml |
| 409 | 540 | Mesquite scrub with invasive grasses | This fuelbed represents a dense, dry-site mesquite scrubby shrubland with invasive grasses. | FB_0540_LF.xml | Savanna | Class 3: Fire regimes have been substantially altered from their natural (historical) range and the the risk of losing key ecosystem components is high | 320: Tropical/Subtropical Desert | SAF 68: Mesquite SAF 242: Mesquite SRM 728: Mesquite-granjeno-acacia SRM 729: Mesquite | FB_0540_LF.xml | |
| 410 | 542 | Colorado Plateau pinyon-juniper shrubland | Dwarfed pinyon-juniper that occur on semi-arid sites on rocky substrates with limited soil depth. | FB_0542_LF.xml | Conifer Forest | Class 2: Fire regimes have been altered from their natural (historical) range and the risk of losing key ecosystem components is moderate | 340: Temperate Desert | SAF 239: Pinyon-juniper SRM 412: Juniper-pinyon woodland | FB_0542_LF.xml | |
| 411 | 1201 | Corn field - post harvest | Corn crop field. Fuelbed represents post harvest field with crop residue. | FB_1201_AG.xml | Grassland | None | 220: Hot Continental 250: Prairie 410: Savanna 230: Subtropical 340: Temperate Desert | FB_1201_AG.xml | ||
| 412 | 1202 | Cotton field - post harvest | Cotton crop field. Fuelbed represents post harvest field with crop residue. | FB_1202_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 250: Prairie 230: Subtropical 320: Tropical/Subtropical Desert | FB_1202_AG.xml | ||
| 413 | 1203 | Rice field - post harvest | Rice crop field. Fuelbed represents post harvest field with crop residue. | FB_1203_AG.xml | Grassland | None | 260: Mediterranean 250: Prairie 230: Subtropical 320: Tropical/Subtropical Desert | FB_1203_AG.xml | ||
| 414 | 1205 | Soybean field - post harvest | Soybean crop field. Fuelbed represents post harvest field with crop residue. | FB_1205_AG.xml | Grassland | None | 220: Hot Continental 250: Prairie 410: Savanna 230: Subtropical 330: Temperate Steppe | FB_1205_AG.xml | ||
| 415 | 1206 | Corn field - growing season | Corn crop field. Fuelbed represents field during growing season. | FB_1206_AG.xml | Grassland | None | 220: Hot Continental 250: Prairie 410: Savanna 230: Subtropical 340: Temperate Desert | FB_1206_AG.xml | ||
| 416 | 1207 | Cotton field - growing season | Cotton crop field. Fuelbed represents field during growing season. | FB_1207_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 250: Prairie 230: Subtropical 320: Tropical/Subtropical Desert | FB_1207_AG.xml | ||
| 417 | 1208 | Rice field - growing season | Rice crop field. Fuelbed represents field during growing season. | FB_1208_AG.xml | Grassland | None | 260: Mediterranean 250: Prairie 230: Subtropical 320: Tropical/Subtropical Desert | FB_1208_AG.xml | ||
| 418 | 1209 | Soybean field - growing season | Soybean crop field. Fuelbed represents field during growing season. | FB_1209_AG.xml | Grassland | None | 220: Hot Continental 250: Prairie 410: Savanna 230: Subtropical 330: Temperate Steppe | FB_1209_AG.xml | ||
| 419 | 1223 | Wheat field - post harvest | Wheat crop field. Fuelbed represents post harvest field with crop residue. | FB_1223_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1223_AG.xml | ||
| 420 | 1224 | Wheat field - growing season | Wheat crop field. Fuelbed represents field during growing season. | FB_1224_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1224_AG.xml | ||
| 421 | 1225 | Small grains (other) field - post harvest | Small grains (other) crop field. Species may include sorghum, barley, rye, oats, millet, spelt, canola, flaxseed, rape seed, mustard, hops, or triticale. Fuelbed represents post harvest field with crop residue. | FB_1225_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1225_AG.xml | ||
| 422 | 1226 | Small grains (other) field - growing season | Small grains (other) crop field. Species may include sorghum, barley, rye, oats, millet, spelt, canola, flaxseed, rape seed, mustard, hops, or triticale. Fuelbed represents field during growing season. | FB_1226_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1226_AG.xml | ||
| 423 | 1227 | Sugarbeet field - growing season | Sugarbeet crop field. Fuelbed represents field during growing season. | FB_1227_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 250: Prairie 340: Temperate Desert 330: Temperate Steppe | FB_1227_AG.xml | ||
| 424 | 1228 | Bean field - growing season | Bean crop field. Fuelbed represents field during growing season. | FB_1228_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 250: Prairie 340: Temperate Desert 330: Temperate Steppe | FB_1228_AG.xml | ||
| 425 | 1229 | Potato field - growing season | Potato crop field. Fuelbed represents field during growing season. | FB_1229_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 410: Savanna | FB_1229_AG.xml | ||
| 426 | 1230 | Other crop fields - growing season | Other crop fields. Species may include sunflowers, peanuts, tobacco, mint, safflower, sweet potatoes, or herbs. Fuelbed represents field during growing season. | FB_1230_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1230_AG.xml | ||
| 427 | 1231 | Sugarcane field - post harvest | Sugarcane crop field. Fuelbed represents post harvest field with crop residue. | FB_1231_AG.xml | Grassland | None | 420: Rainforest 410: Savanna 230: Subtropical 310: Tropical/Subtropical Steppe | FB_1231_AG.xml | ||
| 428 | 1232 | Miscellaneous vegetable or fruit field - growing season | Miscellaneous vegetable or fruit crop field. Species may include watermelon, onion, tomato, caneberries, carrot, asparagus, garlic, canteloupe, broccoli, peppers, greens, strawberries, squash, lettuce, or pumpkins. Fuelbed represents field during growing season. | FB_1232_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1232_AG.xml | ||
| 429 | 1241 | Sugarbeet field - post harvest | Sugarbeet crop field. Fuelbed represents post harvest field with crop residue. | FB_1241_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 250: Prairie 340: Temperate Desert 330: Temperate Steppe | FB_1241_AG.xml | ||
| 430 | 1242 | Bean field - post harvest | Bean crop field. Fuelbed represents post harvest field with crop residue. | FB_1242_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 250: Prairie 340: Temperate Desert 330: Temperate Steppe | FB_1242_AG.xml | ||
| 431 | 1243 | Potato field - post harvest | Potato crop field. Fuelbed represents post harvest field with crop residue. | FB_1243_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 410: Savanna | FB_1243_AG.xml | ||
| 432 | 1244 | Other crop fields - post harvest | Other crop fields. Species may include sunflowers, peanuts, tobacco, mint, safflower, sweet potatoes, or herbs. Fuelbed represents post harvest field with crop residue. | FB_1244_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1244_AG.xml | ||
| 433 | 1245 | Sugarcane field - growing season | Sugarcane crop field. Fuelbed represents growing season standing crop. | FB_1245_AG.xml | Grassland | None | 420: Rainforest 410: Savanna 230: Subtropical 310: Tropical/Subtropical Steppe | FB_1245_AG.xml | ||
| 434 | 1247 | Miscellaneous vegetable or fruit field - post harvest | Miscellaneous vegetable or fruit crop field. Species may include watermelon, onion, tomato, caneberries, carrot, asparagus, garlic, canteloupe, broccoli, peppers, greens, strawberries, squash, lettuce, or pumpkins. Fuelbed represents post harvest field with crop residue. | FB_1247_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1247_AG.xml | ||
| 435 | 1252 | Lentil field - post harvest | Lentil crop field. Fuelbed represents post harvest field with crop residue. | FB_1252_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 230: Subtropical 340: Temperate Desert 330: Temperate Steppe | FB_1252_AG.xml | ||
| 436 | 1253 | Lentil field - growing season | Lentil crop field. Fuelbed represents field during growing season. | FB_1253_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 230: Subtropical 340: Temperate Desert 330: Temperate Steppe | FB_1253_AG.xml | ||
| 437 | 1260 | Biofuel field - post harvest | Biofuel crop field. Species may include camelina or switchgrass. Fuelbed represents post harvest field with crop residue. | FB_1260_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1260_AG.xml | ||
| 438 | 1261 | Fallow field - growing season | Fallow crop field. Species may include grasses and other herbaceous species. Fuelbed represents fallow field conditions with standing ruderal vegetation. | FB_1261_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1261_AG.xml | ||
| 439 | 1262 | Pasture or grass field - grazed or mown | Pasture or grass crop field. Fuelbed represents grazed pasture or mown grass field. | FB_1262_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1262_AG.xml | ||
| 440 | 1263 | Biofuel field - growing season | Biofuel crop field. Species may include camelina or switchgrass. Fuelbed represents field during growing season. | FB_1263_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1263_AG.xml | ||
| 441 | 1264 | Pasture or grass field - ungrazed or unmown | Pasture or grass crop field. Fuelbed represents ungrazed pasture or unmown grass field. | FB_1264_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1264_AG.xml | ||
| 442 | 1271 | Tree nut field - no inter-row groundcover | Tree nut field. Species may include pistachios, pecans, almonds, or walnuts. Fuelbed represents row planted trees with very little groundcover. | FB_1271_AG.xml | Broadleaf Forest | None | 220: Hot Continental 260: Mediterranean 230: Subtropical 340: Temperate Desert 330: Temperate Steppe | FB_1271_AG.xml | ||
| 443 | 1272 | Tree nut field - with inter-row groundcover | Tree nut field. Species may include pistachios, pecans, almonds, or walnuts. Fuelbed represents row planted trees with grass groundcover between rows. | FB_1272_AG.xml | Broadleaf Forest | None | 220: Hot Continental 260: Mediterranean 230: Subtropical 340: Temperate Desert 330: Temperate Steppe | FB_1272_AG.xml | ||
| 444 | 1273 | Tree fruit field - no inter-row groundcover | Tree fruit field. Species may include cherry, peach, apple, citrus, pear, prune, orange, pomegranate, nectarine, plum, or apricot trees or grapes. Fuelbed represents row planted trees or vines with very little groundcover. | FB_1273_AG.xml | Broadleaf Forest | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 230: Subtropical | FB_1273_AG.xml | ||
| 445 | 1274 | Tree fruit field - with inter-row groundcover | Tree fruit field. Species may include cherry, peach, apple, citrus, pear, prune, orange, pomegranate, nectarine, plum, or apricot trees or grapes. Fuelbed represents row planted trees or vines with grass groundcover between rows. | FB_1274_AG.xml | Broadleaf Forest | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 230: Subtropical | FB_1274_AG.xml | ||
| 446 | 1280 | Bluegrass or grass seed field - post harvest or mown | Sod or lawn grass seed crop field. Fuelbed represents mown sod or post harvest grass seed field with crop residue. | FB_1280_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1280_AG.xml | ||
| 447 | 1281 | Pasture, hay, or alfalfa field - grazed or harvested | Pasture, hay or alfalfa crop field. Species may include alfalfa, clover, wildflower and grasses other than Johnson grass. Fuelbed represents grazed or harvested field. | FB_1281_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1281_AG.xml | ||
| 448 | 1282 | Bluegrass or grass seed field - unmown or unharvested | Sod or lawn grass seed crop field. Fuelbed represents unmown sod or unharvested grass seed field. | FB_1282_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1282_AG.xml | ||
| 449 | 1283 | Pasture, hay, or alfalfa field - ungrazed or unharvested | Pasture, hay or alfalfa crop field. Species may include alfalfa, clover, wildflower and grasses other than Johnson grass. Fuelbed represents ungrazed or unharvested field. | FB_1283_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1283_AG.xml | ||
| 450 | 1290 | Winter wheat and corn (double crop) field | Winter wheat and corn double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1290_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 250: Prairie 230: Subtropical 340: Temperate Desert | FB_1290_AG.xml | ||
| 451 | 1291 | Wheat and soybean (double crop) field | Winter wheat and soybean double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1291_AG.xml | Grassland | None | 220: Hot Continental 250: Prairie 230: Subtropical 210: Warm Continental | FB_1291_AG.xml | ||
| 452 | 1292 | Other grain and corn (double crop) field | Grain (except winter wheat) and corn double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1292_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 230: Subtropical | FB_1292_AG.xml | ||
| 453 | 1293 | Lettuce and durum wheat (double crop) field | Lettuce and durum wheat double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1293_AG.xml | Grassland | None | 320: Tropical/Subtropical Desert | FB_1293_AG.xml | ||
| 454 | 1294 | Lettuce and upland cotton (double crop) field | Lettuce and upland cotton double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1294_AG.xml | Grassland | None | 320: Tropical/Subtropical Desert | FB_1294_AG.xml | ||
| 455 | 1295 | Wheat and sorghum (double crop) field | Wheat and sorghum double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1295_AG.xml | Grassland | None | 220: Hot Continental 240: Marine 260: Mediterranean 250: Prairie 420: Rainforest | FB_1295_AG.xml | ||
| 456 | 1296 | Wheat and cotton (double crop) field | Wheat and cotton double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1296_AG.xml | Grassland | None | 220: Hot Continental 260: Mediterranean 250: Prairie 420: Rainforest 410: Savanna | FB_1296_AG.xml | ||
| 457 | 1297 | Soybean and cotton (double crop) field | Soybean and cotton double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1297_AG.xml | Grassland | None | 220: Hot Continental 250: Prairie 410: Savanna 230: Subtropical 210: Warm Continental | FB_1297_AG.xml | ||
| 458 | 1298 | Soybean and other grain (double crop) field | Soybean and any grain except winter wheat double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1298_AG.xml | Grassland | None | 220: Hot Continental 250: Prairie 410: Savanna 230: Subtropical 210: Warm Continental | FB_1298_AG.xml | ||
| 459 | 1299 | Corn and soybean (double crop) field | Corn and soybean double crop field. Fuelbed represents post-harvest field with residue from either crop. | FB_1299_AG.xml | Grassland | None | 220: Hot Continental 250: Prairie 410: Savanna 230: Subtropical 210: Warm Continental | FB_1299_AG.xml |