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The headwaters of the Columbia River Basin in the Northern Rocky Mountains region is widely recognized as a stronghold for native fish, containing some of the last remaining connected cold-water habitats for species such as the threatened bull trout and native westslope cutthroat trout. However, as temperatures rise, non-native invasive fish species could be poised to prosper in the region as conditions start to favor warm-water species over those that require cooler waters to thrive. The spread of invasive fish species has the potential to devastate native fish populations, stream habitats, and the local cultures and economies that depend on healthy aquatic ecosystems – including the region’s multi-billion dollar...
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As the origin of three major basins that drain the Columbia, Missouri, and Saskatchewan rivers, Montana is the hydrologic apex for North America. The Northern Rocky Mountain region is home to some of the last remaining interconnected habitats for many native fishes, including the threatened bull trout and native westslope cutthroat trout. The Northern Rockies are also experiencing rapidly changing climate conditions, with temperatures rising at twice the global average. These changes are having a range of impacts on aquatic ecosystems, including warming stream temperatures and changing streamflow regimes. This region is also experiencing a rise in the expansion of alien invasive fish species, which further threaten...
    map background search result map search result map Understanding Climate Impacts on Native and Invasive Fish for Conservation, Management, and Economic Goals in the Northern Rockies Predicting Climate-Induced Expansions of Invasive Fish in the Pacific Northwest: Implications for Climate Adaptation of Native Salmon and Trout Understanding Climate Impacts on Native and Invasive Fish for Conservation, Management, and Economic Goals in the Northern Rockies Predicting Climate-Induced Expansions of Invasive Fish in the Pacific Northwest: Implications for Climate Adaptation of Native Salmon and Trout