A National Geospatial Data Assest (NGDA) is defined as a geospatial dataset that has been designated by the Federal Geographic Data Committee (FGDC) Steering Committee and meets at least one of the following criteria: supports mission goals of multiple federal agencies, statutorily mandated, supports Presidential priorities as expressed by Executive Order, or by the Office of Management and Budget (OMB). Together, these NGDA Datasets comprise the A-16 NGDA Portfolio.
Under the NGDA Biota Theme, GAP Species Ranges and Species Distribution Models are included as NGDAs. For more information about GAP species data: http://gapanalysis.usgs.gov/species/.
Under the NGDA Cadastre Theme, the Protected Areas Database of the United States (PAD-US) is included as an NGDA. For more information about PAD-US: http://gapanalysis.usgs.gov/padus/.