| Impact ID | 9132 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Experimental introduction of zander (Sander lucioperca) in a Norwegian lake found that roach (Rutilus rutilus) shifted habitat use from the pelagic to littoral zone due to competition with zander. |
| Reference | 41849 |
| Cost | |
| Location | Lake Gjersjøen, Norway |