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The Southwest Regional Gap Analysis Project (SWReGAP) is an update of the Gap Analysis Program’s mapping and assessment of biodiversity for the five-state region encompassing Arizona, Colorado, Nevada, New Mexico, and Utah. It is a multi-institutional cooperative effort coordinated by the U.S. Geological Survey Gap Analysis Program. The primary objective of the update is to use a coordinated mapping approach to create detailed, seamless GIS maps of land cover, all native terrestrial vertebrate species, land stewardship, and management status, and to analyze this information to identify those biotic elements that are underrepresented on lands managed for their long term conservation or are “gaps.”
The Northwest Regional Gap Analysis Project (NWGAP) is an update of the Gap Analysis Program's mapping and assessment of biodiversity for the five-state region encompassing Washington, Idaho, Oregon, Montana, and Wyoming. It is a multi-institutional cooperative effort coordinated by the U.S. Geological Survey Gap Analysis Program. The primary objective of the update is to use a coordinated mapping approach to create detailed, seamless GIS maps of land cover, all native terrestrial vertebrate species, land stewardship, and management status, and to analyze this information to identify those biotic elements that are underrepresented on lands managed for their long term conservation, in other words, "gaps". This...
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The Gap Analysis Program (GAP) Land Cover Viewer displays data on the vegetation and land use patterns of the continental United States. The GAP Land Cover Data Version 2.2 provides detailed information on the vegetation of the United States using consistent satellite base data and classification systems. This allows data users to make conservation or land use planning decisions for the entire range of a habitat type across administrative boundaries. GAP Land Cover Data Version 2.2 combines ecological system data from previous GAP projects in the Southwest, Southeast, and Northwest United States with recently updated California data. For Alaska ,and areas of the continental United States, where ecological system-level...
Link to the current list of map services offered through the USGS GAP website. The list includes land cover data, protected area data and ancillary data (e.g. elevation and hydrography).


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