| Impact ID | 2973 |
| Impact Type | Commerce |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | A decline in the amphipod Diporeia occurred after the arrival of zebra mussels. Because the amphipod is an important part of lake whitefish Coregonus clupeaformis diet, commercial harvests of lake whitefish may decrease. |
| Reference | 22625 |
| Cost | |
| Location | Lake Michigan |