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Conclusions: In fragmented watersheds, macrohabitat attributes measured at the patch scale were far more effective in predicting trout translocation success than measurements taken at the landscape scale Thresholds/Learnings: As a course filter indicator of cutthroat trout translocation success, the study found that translocations have a greater than 50% chance of fruitful establishment in watersheds >14.7km2 in area. Synopsis: This study aimed to identify stream-scale and basin-scale macrohabitat attributes limiting successful translocation and persistence of native cutthroat trout populations in fragmented landscapes along the Rio Grande. The study developed models of habitat attributes measured at two scales...
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Greenbacks are native to the Arkansas and South Platte River basins in Colorado's Front Range mountains, and a few South Platte tributaries in extreme southeastern Wyoming. It was listed as endangered in 1973 but downlisted to threatened when a recovery plan began in 1978. The Greenback Cutthroat Trout's maximum size is 18 inches, and it has the largest spots of all cutthroats. Despite its name, the Greenback Cutthroat's back is not particularly green.
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Native trout in the West suffer a high degree of vulnerability, as highlighted by cutthroat trout, a group of 14 subspecies, most of which have been petitioned for listing under the Endangered Species Act (ESA). In the Southern Rocky Mountains, greenback cutthroat trout (Oncorhynchus clarkii stomias; GBCT) are listed as threatened under the ESA, and few populations remain, in part because of the invasion of nonnative fishes (for example, brook trout, Salvelinus fontinalis). In an effort to restore GBCT to their native range, chemical treatments (piscicides) are often used as a tool to remove nonnative fishes prior to reintroducing native fish. However, the influence of the piscicides on nontarget organisms, such...


    map background search result map search result map Minimum habitat requirements for establishing translocated cutthroat trout populations. Greenback Cutthroat Species Distribution Invertebrate community data from native trout lakes and streams in the Southern Rocky Mountains Invertebrate community data from native trout lakes and streams in the Southern Rocky Mountains Greenback Cutthroat Species Distribution Minimum habitat requirements for establishing translocated cutthroat trout populations.