| Impact ID | 6721 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | A study of Wisconsin inland lakes with and without introduced rainbow smelt from 1985-2004 found that young-of-the-year walleye (Sander vitreus) density was significantly lower in invaded lakes |
| Reference | 17204 |
| Cost | |
| Location | Great Lakes, USA |