Folder
ROOT
_ScienceBase Catalog
__USGS Gap Analysis Project (GAP)
___Current National Data Resources for the Gap Analysis Project
____Web Services for Gap Analysis Program National Data Resources
This service map provides a reptile species richness in the U.S. which is derived from the USGS Gap Analysis Program’s (GAP) national reptile ranges dataset. The map represents the total number of reptile species summarized by 12-digit hydrological units (HUCs). Light blue HUCs have the lowest number of species while red HUCs have the highest.