By Sandra Hines
via UW News and Information
Taking into consideration its size, an ancient relative of piranhas weighing about 20 pounds delivered a bite with a force more fierce than prehistoric whale-eating sharks, the four-ton ocean-dwelling Dunkleosteus terrelli and – even – Tyrannosaurus rex.
By Hannah Hickey
via News and Information
The planet’s two largest ice sheets have been losing ice faster during the past decade, causing widespread confusion and concern.
By Sandra Hines
via News and Information
Food webs needed by young salmon in the Columbia River basin are likely compromised in places, something that should be considered when prioritizing expensive restoration activities aimed at rebuilding endangered runs.
OVERVIEW
The mountain watersheds of the Pacific Northwest are expected to experience a decrease in snowpack depth and earlier snowmelt in coming decades.
OVERVIEW
Nutrient biogeochemistry affects a myriad of ecosystem processes from primary producer biomass and community composition, to habitat quality, to upper trophic level production.
By Nancy Gohring
via UW News
On the night of Aug. 5, 2010, as residents slept, water began rushing through Leh, an Indian town in a high desert valley in the Himalayas.
OVERVIEW
Dryland streams play a vital role in shaping the hydrological, biogeochemical, and ecological structure and function of arid and semi-arid ecosystems in the American Southwest and elsewhere.
OVERVIEW
Climate change, increasing agricultural and urban land-use, and invasive species threaten the functioning of freshwater ecosystems in the Pacific Northwest.
OVERVIEW
The Puget Sound basin has changed remarkably since Anglo settlement in the mid-1800s. The primary agents of change have been urbanization, primarily in the lowlands, forest harvest (lowlands and uplands), and a warming climate.
By Sandra Hines
via UW News
When the University of Washington launched its Alaska Salmon Program 66 years ago, researchers were tasked with determining why Alaska’s sockeye salmon catches had declined over two decades from 22 million fish per year to 10 million.