| Impact ID | 8356 |
| Impact Type | Environmental Water Quality |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Bythotrephes longimanus (spiny waterflea) invaded lakes experienced a significant reduction in secondary production and, hence, a reduction in resources available in the epilimnion. |
| Reference | 24429 |
| Cost | |
| Location | Parry Sound District, Lake Ontario, Ontario |