Great Lakes Aquatic Nonindigenous Species Information System (GLANSIS)
DOC. NOAA. Great Lakes Environmental Research Laboratory. Great Lakes Aquatic Nonindigenous Species Information System (GLANSIS).
The present database targets nonindigenous aquatic species that are not considered to have been native to any part of the Great Lakes basin. GLANSIS functions as a Great Lakes specific node of the USGS NAS national database.