| Impact ID | 6085 |
| Impact Type | Commerce |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Through predation of yellow perch (Perca flavescens) and EMS effects on lake trout (Salvelinus namaycush, alewife (Alosa pseudoharengus) has negatively affected commercial fisheries in the lower four Great Lakes. |
| Reference | 24211 |
| Cost | |
| Location | Great Lakes, USA |