Exotic Species in the Great Lakes Basin From the Great Lakes Information Network, a comprehensive collection of research publications and education materials covering aquatic nuisance species. http://www.great-lakes.net/envt/flora-fauna/invasive/invasive.html Great-lakes.net~Site InfoWhoisTrace RouteRBL Check
Aquatic Nuisance Species Impacts Provides details of non-indigenous species that occur in inland, estuarine and marine waters in the US and that threaten ecological processes or natural resources. http://www.anstaskforce.gov/impacts.php Anstaskforce.gov~Site InfoWhoisTrace RouteRBL Check
Baltic Sea Alien Species Database Aims to provide a reference system on alien species, to update the information on the Baltic Sea alien species and to encourage the exchange of data among different geographical regions. http://www.corpi.ku.lt/nemo/mainnemo.html Ku.lt~Site InfoWhoisTrace RouteRBL Check