Great Art Mini-theme Links Canadian Sites Ministry of Natural Resources and the Ontario Federation of Anglers and Hunters. The focus of this part of the site is aquatic nuisance species in the Great Lakes. Great basic site for information about Exotic Invaders and the stresses they impose.
Site is kid-readable.
The only difficulty is that it is not specific to the Great Lakes. This is a very visual site, with good written introduction to the wetlands. It has a good over-view of the diversity of Canadian species of plants and animals. It is well organized but has only general information on invading species. It includes and the animated Zebra mussel map and a click-on format with information on 13 exotic species.