Ecology & Environment

Biocomplexity: Modeling the Interactions Among Urban Development, Land Cover Change, and Bird Diversity
National Science Foundation, Biocomplexity
$1,128,818, September 2001 - February 2005
(PIs: M. Alberti, P. Waddell, J. Marzluff, M. Handcock)
This project will apply Bayesian networks and a multi-agent microsimulation to develop an integrated model of urban development and land cover change that can interface with a large set of ecosystem processes in the Central Puget Sound Region. In this project the focus is on linking urban development and land cover change to bird diversity as a test case for our modeling approach. The project aims to understand how best to model complexity and uncertainty of coupled socioeconomic and biophysical processes in metropolitan regions and their interactions with the policy domain.

BiocomplexityII: Urban Landscape Patterns - Complex Dynamics and Emregent Properties
National Science Foundation, Biocomplexity II
$1,399,644, September 2005 - August 2009
(PIs: M. Alberti, C. Redman, J. Marzluff, J. Wu, M. Handcock, M. Anderies, P. Waddell, H. Kautz, D. Fox)
This research project will examine urban landscapes as emergent phenomena
that result from local interactions of human agents, real estate markets, built infrastructure, and biophysical factors like land cover, geomorphology, and natural disturbance regimes to develop a theory of urban landscape dynamics. The study will employ complex systems, patch dynamics, hierarchical theory, and an agent-based modeling approach to study coupled human-natural dynamics and empirically test this approach in two different bioregions (Seattle and Phoenix). The models will be developed and used to test hypotheses regarding emergent properties of urban landscapes and to enhance basic understanding of humans-ecological interactions in urban landscapes across scales. Urban landscapes exhibit some fundamental features of complex self-organizing systems. They are highly heterogeneous, spatially nested, and hierarchically structured. The urban spatial structure can be described as a cumulative and aggregate pattern that results from numerous local decisions involving a large number of adaptive agents interacting among themselves and with biophysical factors. These behaviors eventually can lead to different metropolitan patterns. This research will address four questions: (1) How do dynamic landscape systems evolve to generate emergent patterns that are evident in urban landscapes? (2) What nonlinearities, thresholds, discontinuities, and path dependencies explain divergent trajectories of urban landscapes? (3) How do emergent urban landscape patterns influence biodiversity and ecosystem functioning? (4) How can planning integrate this knowledge to develop sustainable urban landscape patterns? The model implementation will be based on a dynamic probabilistic relational model (DPRM) in which parameters and spatial rules are estimated empirically from two longitudinal land-cover and land-use data sets developed for the Seattle and Phoenix metropolitan areas. This project is supported by an award resulting from the FY 2005 special competition in Biocomplexity in the Environment focusing on the Dynamics of Coupled Natural and Human Systems.


Development of an Integrated Urban Ecological Simulation Model for the Puget Sound: Puget Sound Regional Synthesis Model (PRISM)

University Initiative Fund (UW)
$214,909
(PIs: M. Alberti, P. Waddell)
This project develops an integrated strategy to model the urban development and ecological dynamics in the Central Puget Sound Region. This modeling effort is part of the Human Dimension of PRISM, the Puget Sound Regional Integrated Synthesis Model. PRISM is an interdisciplinary initiative at the University of Washington that inks models of urban processes with hydrologic and atmospheric models to form an integrated model design to address the kinds of questions raised by the Salmon ESA listing.
(Posting Date: 1/4/00)

Dynamics of an Invasive Non-Native Species and its Biological, Physical, and Human Impacts: Spartina Alterniflora on the Pacific Coast
National Science Foundation
$3,800,000, 10/2000-9/2005
(PIs: A. Hastings, S. Ustin, D. Strong, E. Grosholz)

Impervious Surfaces Classification NOAA, Department of Ecology, Space Imaging Integrated Framework: Urbanization, Human Health and Nearshore Interactions
US Environmental Protection Agency, Region 10
$59,000, 2003-2004
(PIs: M. Alberti, E. Faustman)
This project builds upon Urban Ecology Research Laboratory's research on the impacts of urban development on ecological systems and develops an integrated conceptual framework to quantify the relationship between human and biophysical stressors, processes, exposure and effects in the Puget Sound region. Our study focuses on how to conceptualized reciprocal urbanization affects the health of marine and nearshore areas, and how those impacts in turn affect human health. We developed an integrated framework as a tool to aid in using science and research to inform shoreline management and planning processes. We explored case examples to illustrate the complex relationships linking environmental variables, human development patterns, algal blooms, bacterial contamination, and human health concerns. This framework will serve as a tool for understanding the relationships between human actions, vectors, effects, biophysical processes, management, and social, cultural and economic processes.

A secondary phase of the research is to provide an evaluation of our project using the case examples of application of the integrated framework information linking human and ecosystem processes across disciplinary boundaries. Together with Elaine Faustman, director of the University of Washington's Institute for Risk Analysis and Risk Communication, we invite planners to evaluate the applicability and transferability of such a framework in their shoreline plans and programs to inform decision making processes on the interactions between nearshore areas, urbanization and human health.

Land Cover Change Model for Central Puget Sound
King County, Department of Natural Resources
$183,657, 2004
(PI: M. Alberti)

Landscape Benchmarks Project
Washington State Dept. of Community, Trade, and Economic Development
$56,620 & $27,819, Phases IIA & IIB, 2003--2005
(PI: M. Alberti)
This study develops and applies a set of landscape metrics as benchmarks for monitoring landscape changes associated with urban growth in central Puget Sound over the period 1991-1999. Selected metrics are examined and proposed as benchmarks for monitoring the effectiveness of the Washington State Growth Management Act and the progress towards its goals. Landscape metrics were selected among a large set of metrics developed in the field of Landscape Ecology to quantify and monitor landscape patterns. The study is based on a multi-year land cover classification and analysis of USGS Landsat Thematic Mapper (TM) at a three time-steps (1991, 1995, and 1999) at the regional and county level within and outside the urban growth boundary. A finer resolution analysis is also conducted using a 150 meter moving window across the region and to evaluate the spatial distribution of landscape change. Analysis of US Census data from 1990 and 2000 are used to infer relationships between population growth and impervious area.

NSF IGERT in Urban Ecology
National Science Foundation IGERT
$2,700,000, September 2001-August 2006
(PIs: G. Bradley, M. Alberti, J. Marzluff, C. Ryan, and C. Zumbrunnen)
IGERT is an NSF-wide program intended to meet the challenges of educating Ph.D. scientists and engineers with the multidisciplinary backgrounds. The program aims to develop innovative models for graduate education and training for collaborative research that transcends traditional disciplinary boundaries. This IGERT centers on five broad research themes: (i) What socioeconomic factors drive urban development, (ii) How landscape ecology can be used to quantify urban development patterns, (iii) How urban development patterns affect biodiversity and ecosystem function, (iv) How changes in ecosystems affect human preferences and decisions, and (v) How policies influence human settlement and its effects.

Pacific Northwest Center for Ocean and Human Health
NSF and NIEHS
$7,543,020, 2003-2008
(Project Leader 2, GIS & Urban Ecology: M. Alberti)

Transportation Impervious Surfaces WSDOT, 2005
(PI: M. Alberti)