Protecting native trout populations in Alberta from hybridization and competition with invasive species is crucial to their survival. A key strategy is maintaining natural barriers like waterfalls that prevent upstream movement of non-native fish. In the Bow River headwaters, westslope cutthroat trout populations are protected from non-native rainbow, brook, and brown trout invasions by these barriers. To identify and prioritize future protection efforts, we catalogued potential barriers in the

Artificial freshwater fish hybridization | Quirk Lab21

Trout Lifecycle | Wild Trout Trust

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