Databases

National Exotic Marine and Estuarine Species Information System (SERC)
http://invasions.si.edu/nemesis/index.html

Ballast Water: Smithsonian Environmental Research Center
http://invasions.si.edu/nbic/submit.html

United States Geological Survey: Nonindigenous Aquatic Species (NAS) Information Resource
http://nas.er.usgs.gov/

International Nonindigenous Species Database Network
http://www.nisbase.org/nisbase/index.jsp

Oregon Invasive Species Public Map
http://www.imapinvasives.org/orimi/map/

ANS Examples

European Green Crab

greencrab1

(Carcinus maenas)

Native distribution is along the coasts of the North and Baltic Seas. Potential competitors for the food sources of native fish and bird species.