| Impact ID | 2975 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Two exotic species, Eurasian watermilfoil and the zebra mussel, may have had a significant influence on communities of submerged macrophytes and therefore impact migrating waterfowl. |
| Reference | 22626 |
| Cost | |
| Location | Lake Erie |