USGS Nonindigenous Aquatic Species (NAS) Repository
This site has been established as a central repository for spatially referenced biogeographic accounts of introduced aquatic species. The program provides scientific reports, online/realtime queries, spatial data sets, regional contact lists, and general information. The data are made available for use by biologists, interagency groups, and the general public. The geographical coverage is the United States.
Administrator: Pam Fuller (email@example.com)
The following items are associated with this Environmental Information Repository.
Who’s Using this Repository?Sample Designs