| Impact ID | 6860 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | A paleolimnologic study in the Danish Lake Skanderborg, where Sander lucioperca was introduced in 1903-04, found evidence of reduced cyprinid population densities. After the introduction of zander, a permanent reduction of cyprinid densities was observed. |
| Reference | 42065 |
| Cost | |
| Location | Lake Skanderborg, Denmark |