| Impact ID | 2034 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | The dense colonization of Potamopyrgus antipodarum in streams has been linked to the decline in native macroinvertebrate densities. |
| Reference | 17665 |
| Great Lakes Region | No |
| Cost | |
| Location | |