| Impact ID | 2195 |
| Impact Type | Food Web |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Macroinvertebrate taxaassociated with open water and fast-flow conditions appeared to be displaced by dense floating mats of waterfern. |
| Reference | 33577 |
| Great Lakes Region | No |
| Cost | |
| Location | |