| Impact ID | 8279 |
| Impact Type | Water Quality |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Phytoplankton biomass declined by 85% following the invasion of the Dreissena polymorpha mussel in the Hudson River. |
| Reference | 13837 |
| Great Lakes Region | No |
| Cost | |
| Location | Hudson River |