| Impact ID | 9858 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | The presence of Dreissena polymorpha in Minnesotan lakes created anoxic sediments that increased mercury methylation in the littoral zone. |
| Reference | 43572 |
| Great Lakes Region | No |
| Cost | |
| Location | Minnesota, USA |
