Threatened and Endangered Terrestrial Animal Species Richness

These data represent predicted current distributions of all U.S. listed threatened and endangered mammals, birds, reptiles, and amphibians in the Middle-Atlantic region. The data are available for both 8-digit HUCs and EMAP hexagons and represent total species counts for each spatial unit. More information about these resources, including the variables used in this study, may be found here:

Organization Name: U.S. EPA Office of Research & Development (ORD) - National Exposure Research Laboratory (NERL)

Contact: USEPA - ReVA, Vasu Kilaru (

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