| Impact ID | 8728 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | There were 3-4 times as many fish feeding in native plant communities than in beds of Myriophyllum spicatum (Eurasian watermilfoil). |
| Reference | 33931 |
| Cost | |
| Location | Lake Opinicon, Leeds County,Ontario, Canada |