| Impact ID | 4166 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Entire lake systems can be taken over by Ludwigia grandiflora, reducing open water available for waterfowl. |
| Reference | 35851 |
| Great Lakes Region | No |
| Cost | |
| Location | France |
