| Impact ID | 6849 |
| Impact Type | Water Quality |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Rutilus rutilus may curtail efforts to improve water quality; after initial recovery of a lake in southern Finland, algal blooms increased and it was suggested that R. rutilus had maintained high algal productivity and biomass. |
| Reference | 33559 |
| Cost | |
| Location | Lake Vesijärvi, southern Finland |