| Impact ID | 5097 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Waters (1999) observed a large-scale replacement of brook trout by brown trout following the introduction of brown trout in Valley Creek, MN. Brown trout production increased to 95% of trout biomass in the stream by the end of the 15-year study |
| Reference | 24359 |
| Cost | |
| Location | Valley Creek, MN |