| Impact ID | 2991 |
| Impact Type | Predation/Herbivory |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Species composition of the benthic algal community may have changed to diatoms due to the increase in light penetration because of zebra mussel grazing of algae. |
| Reference | 22633 |
| Great Lakes Region | No |
| Cost | |
| Location | |
