| Impact ID | 7371 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In human-created lentic habitats in Poland, Potamopyrgus antipodarum invaded waters had lower native gastropod density than uninvaded waters. |
| Reference | 42289 |
| Great Lakes Region | No |
| Cost | |
| Location | Poland |