| Impact ID | 9613 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Dense colonies of Potamopyrgus antipodarum can outcompete and then displace native snail species and other benthic macroinvertebrates. |
| Reference | 43216 |
| Great Lakes Region | No |
| Cost | |
| Location | |