USGS-NPS Vegetation Characterization Program

The USGS-NPS Vegetation Characterization Program is a cooperative effort by the U.S. Geological Survey (USGS) and the National Park Service Inventory & Monitoring - Vegetation Inventory Program to classify, describe, and map vegetation communities in more than 280 national park units across the United States. Through this undertaking a variety of data and information on vegetation is being made available to Internet users through this website. Vegetation in each of the participating park units is described and mapped using the National Vegetation Classification Standard of the Federal Geographic Data Committee. Use of the national standard opens up exciting opportunities to develop and share more comparable vegetation information, [...]