America is under siege by many harmful non-native species of plants, animals, and microorganisms. More than 6,500 nonindigenous species are now established in the United States, posing risks to native species, valued ecosystems, and human and wildlife health. These invaders extract a huge cost. The current annual environmental, economic, and health-related costs of invasive species exceed those of all other natural disasters combined. USGS plays...
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USGS Biology - Invasive Species Program
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USGS National Water Information System
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USGS Biology Discipline Web Site
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Through EarthExplorer (http://earthexplorer.usgs.gov) you can search, download, and order U.S. Geological Survey products from the following datasets: Aerial Photographs, Advanced Very High Resolution Radiometer (AVHRR), Declassified Data, Digital Elevation, Digital Line Graphs, Digital Maps,... -
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USGS Biology - Fisheries: Aquatic and Endangered Resources Program
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USGS Publications Warehouse
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National Climate Change and Wildlife Science Center website
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USGS Biology - Cooperative Research Units