| Impact ID | 5261 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Osmerus eperlanus became the dominant fish species in Lake Syamozero, displacing the native vendace Coregonus albula due to food competition. |
| Reference | 38106 |
| Cost | |
| Location | Lake Syamozero, Russia |