| Impact ID | 1897 |
| Impact Type | Food Web |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Benthic invertebrate community densities are reduced greatly in the presence of rusty crayfish in Michigan streams in which they are introduced. |
| Reference | 17942 |
| Great Lakes Region | Yes |
| Cost | |
| Location | Ontonagon River, Michigan |