| Impact ID | 4660 |
| Impact Type | Predation/Herbivory |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Production of zooplankton sharply declined when Bythotrephes longimanus concentrations peaked in Harp Lake. |
| Reference | 20507 |
| Great Lakes Region | Yes |
| Cost | |
| Location | Michigan |
