| Impact ID | 9407 |
| Impact Type | Food Web |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In a long-term study of Trout Lake, Wisconsin, Faxonius rusticus was found to reduce mean lake-wide abundance of Odonata, Amphipoda and Trichoptera, decrease snail densities and reduce submerged macrophyte species richness by as much as 80% at some locations, and all but eliminated resident F. propinquus and F. virilis populations. Snail and macrophyte species richness and abundance declined significantly in lakes invaded by F. rusticus. |
| Reference | 26293 |
| Great Lakes Region | No |
| Cost | |
| Location | Trout Lake, Wisconsin |
