This dataset represents the estimated historical distribution of Colorado River Cutthroat Trout across Utah and the the Colorado Plateau Ecoregion, based on Trout Unlimited's Conservation Success Index (CSI) data.Note, data were not available for the southeastern corner of the study site; please be aware of this gap in coverage. Conservation Success Index:Trout Unlimited developed the Conservation Success Index (CSI) in order to become more strategic and effective in our conservation efforts. Using the CSI, we can quantify and map the conservation status of all native coldwater fishes so that comparisons of existing condition, threats, future security, and management opportunities can be made across watersheds, river basins, and entire [...]
