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You are here: Categories > Topics > Population and community ecology
The variety in form, genetics, and ecological roles of organisms within a specific geographic area.
Ecosystem diversity (3 items)
Genetic diversity (6 items)
Species diversity (5 items)
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Results 11 - 20 of 28 listed alphabetically [list by similarity]
Genetics and molecular tools [More info]
Describes the value of molecular biology genetic tools in enhancing the delineation of the genetic diversity and the effects of environmental degradation on living species. Links to research, which differentiated two species of sage-grouse.
Impounded river systems [More info]
Article from Status and Trends of the Nation's Biological Resources on the serious impacts to river systems due to damming and flow regulation, and rehabilitation, monitoring, and research on such rivers.
Invasive species research [More info]
Links to research projects that will improve the ability to detect, monitor, and predict the effects of invasive species, including exotic animals, on native ecosystems of the Pacific Southwest (California, Nevada, Utah, and Arizona).
PDF Microbial ecology of deep-water mid-Atlantic canyons [More info]
Plan for an upcoming study, at the microbiological scale, of the benthic communities (including corals) that reside in and around mid-Atlantic canyons, which are located at the edge of the continental shelf.
PDF Molecular genetics at the Fort Collins Science Center [More info]
Working with our partners, we design and implement studies that provide the genetic information needed to address a variety of issues and problems.
Natural and human drivers of biodiversity in the Greater Yellowstone ecosystem [More info]
This study reconstructs past interactions among ecosystem factors, native species, and human land use in the Greater Yellowstone ecosystem to provide a context for future management to sustain both ecological and human communities.
Ohio Gap Analysis Project [More info]
Information on the Gap Analysis Program in Ohio, a geographic approach to planning for biological diversity by mapping native aquatic and terrestrial animal species and natural communities on present-day conservation lands.
Patuxent Wildlife Research Center monitoring projects [More info]
Biomonitoring projects studying the status and trends of the nation's environmental resources and programs studying amphibians and birds. Links to long-term programs, resources and references, and related links.
Patuxent's effects of ecological processes and human impacts on biological resources--invasive species [More info]
List and brief abstracts on research projects on invasive species, the ecology of introduced species, and developing management strategies at Patuxent Wildlife Research Center.
Science from genes to landscapes [More info]
Explains USGS scientific research and monitoring activities focused on ecosystems, with examples from emerging diseases, invasive species, rangeland fire, and the complex interactions among organisms and human activities.
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