| Impact ID | 3514 |
| Impact Type | Food Web |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Drifting mats of Pontederia crassipes disrupt submerged vegetation and reduce floating and marginal food plants for waterfowl. |
| Reference | 34001 |
| Great Lakes Region | No |
| Cost | |
| Location | |
