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dc.contributor.authorUthe, Patrick R.
dc.contributor.authorAl-Chokhachy, Robert
dc.contributor.authorShepard, Bradley B.
dc.contributor.authorZale, Alexander V.
dc.contributor.authorKershner, Jeff L.
dc.identifier.citationUthe, Patrick, Robert Al-Chokhachy, Bradley B. Shepard, Alexander V. Zale, and Jeff L. Kershner. "Effects of Climate-Related Stream Factors on Patterns of Individual Summer Growth of Cutthroat Trout." Transactions of the American Fisheries Society 148, no. 1 (January 2019): 21-34. DOI:10.1002/tafs.10106.en_US
dc.description.abstractColdwater fishes are sensitive to abiotic and biotic stream factors, which can be influenced by climate. Distributions of inland salmonids in North America have declined significantly, with many of the current strongholds located in small headwater systems that may serve as important refugia as climate change progresses. We investigated the effects of discharge, stream temperature, trout biomass, and food availability on summer growth of Yellowstone Cutthroat Trout Oncorhynchus clarkii bouvieri, a species of concern with significant ecological value. Individual size, stream discharge, sample section biomass, and temperature were all associated with growth, but had differing effects on energy allocation. Stream discharge had a positive relationship with growth rates in length and mass; greater rates of prey delivery at higher discharges probably enabled trout to accumulate reserve tissues in addition to structural growth. Temperature effects were positive but not significant, and support in growth models was limited, likely due to the cold thermal regimes of the study area. The strength of the discharge effect on growth suggests that climate adaptation strategies for coldwater fishes that focus solely on thermal characteristics may be misleading and highlights the importance of considering multiple factors, including hydrologic regimes, in conservation planning.en_US
dc.description.sponsorshipU.S. Geological Survey-Priority Ecosystems Science Program; Jackson Hole One Fly Foundation; University of Wyoming-National Park Service Research Station; Jackson Hole Trout Unlimited Chapteren_US
dc.rightsA government work is generally not subject to copyright in the United States and there is generally no copyright restriction on reproduction, derivative works, distribution, performance, or display of a government work.en_US
dc.titleEffects of Climate-Related Stream Factors on Patterns of Individual Summer Growth of Cutthroat Trouten_US
mus.citation.journaltitleTransactions of the American Fisheries Societyen_US
mus.identifier.categoryLife Sciences & Earth Sciencesen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.universityMontana State University - Bozemanen_US

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