This layer represents a crosswalk of the GAP/LANDFIRE National Terrestrial Ecosystems 2011 land cover to the Subclass level of the U. S. National Vegetation Classification (USNVC). At the Subclass level vegetation types are based on dominant and diagnostic growth forms and global macroclimatic factors (for example - Temperate & Boreal Forest & Woodland). In addition to the vegetation types in the map legend there are land use classes (for example - open water, agriculture) that are not a part of the USNVC. Visit these sites for more information about the National Classification, the Federal Geographic Data Committee- Vegetation Subcommittee and the USNVC Standard. These data cover the entire continental U.S. and are a continuous data [...]
