| Impact ID | 2701 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Once it became established in the Wadden Sea of Germany, Crassostrea gigas became very abundant and overgrew the native mussel beds of Mytilus edulis. |
| Reference | 33770 |
| Great Lakes Region | No |
| Cost | |
| Location | |
