| Impact ID | 6327 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Available nutrition from mussel bio deposits, in combination with the structural complexity of Dreissena mussel substrate, may have given Echinogammarus ischnus a competitive advantage, stimulating its population expansion in the lower Great Lakes. |
| Reference | 14977 |
| Cost | |
| Location | Lake Erie, USA |