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Serves as a central repository for accurate and spatially referenced biogeographic accounts of nonindigenous aquatic vertebrates and invertebrates. Provided are scientific reports, online/realtime queries, spatial data sets, regional contact lists, and general information for aquatic vertebrates and invertebrates occurring outside of their native range. The geographical coverage is the United States.

Provides fact sheets, maps and collection information for aquatic vertebrates and invertebrates occurring outside of their native range.

These maps were created to help assess impacts on nonindigenous aquatic species distributions due to flooding associated with storms. Storm surge and flood events can assist expansion and distribution of nonindigenous aquatic species through connection of adjacent watersheds, backflow of water upstream of impoundments, increased downstream flow, and/or creation of freshwater bridges along coastal regions. These maps will help natural resource managers determine potential new locations for individual species, or to develop a watchlist of potential new species within a watershed.

Includes comparison: Dreissena polymorpha (Zebra mussel) vs. Dreissena bugensis (Quagga mussel)

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).

Provides distribution maps and collection information (State and County).