| Impact ID | 8236 |
| Impact Type | Water Quality |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Lake Michigan, total phosphorus (TP) and mean chlorophyll a concentrations both markedly fell in spring seasons after the expansion of quagga mussels (Dreissena bugensis), and TP levels remained low into summer. |
| Reference | 24629 |
| Great Lakes Region | No |
| Cost | |
| Location | Lake Michigan, USA |