| Impact ID | 6863 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Denmark, Sander lucioperca predation on Atlantic salmon (Salmo salar) smolts was observed in the lower part of the river. This predation had an adverse effect on salmon population dynamics. |
| Reference | 42066 |
| Cost | |
| Location | Denmark |