| Impact ID | 5269 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Lake Vesijarvi, Finland, the intentional aeration of the lake to combat cyanobacteria blooms resulted in the dominance of native populations of Osmerus eperlanus and the decline in native perch and cyprinids due to food competition |
| Reference | 38111 |
| Cost | |
| Location | Lake Vesijarvi, Finland |