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Research in the Lab of Landscape Ecology and Conservation Biology
Ecology and Conservation of Arid Grasslands
An experimental research program that involves divergent interests in the grazing debate including ranchers, environmentalists, public servants, and interested citizens. (more...)
Effective Area Models: Modeling edge effects and mobile animals in patchy landscapes
The Effective Area Model (EAM) links field and remotely sensed data in a landscape model that permits comparison of the impacts of alternative land use strategies on animal populations. Through a GIS-interface, the model predicts changes in animal abundance given changes in landscape pattern. (more...)
ForestERA Project: Forest Ecosystem Restoration Analysis for the Southwest
A collaborative process that views forest ecosystems from a landscape perspective to discover better ways to restore their health and protect our communities. Stakeholders representing diverse backgrounds, priorities, needs and points of view work together in small groups using the best scientific information and tools available. (more...)
Land Use History and Landcover Change
The Land Use History of North America project (LUHNA) is a national effort sponsored by the U.S. Geological Survey and the National Aeronautics and Space Administration (NASA). Our lab has been involved in the development of the program since its inception in 1995. Principal products of the project are two web sites, one continental in scope, containing case studies from across North America, and another developed in our lab, focusing on our biogeographic region, the Colorado Plateau. (more...)
The Effective Area Model (EAM) is a practical tool to predict the effects of fragmentation on animal populations. It requires the characterization of the density response of a species to habitat type, the distance from edges, and a detailed habitat map. The predictions of the null model ignores edge effects.
