Fluctuations in age composition and growth rate of cutthroat trout in Yellostone Lake
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Fluctuations in age composition and growth rate of cutthroat trout in Yellostone Lake by Ross V. Bulkley

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Published by U.S. Fish and Wildlife Service in Washington, D.C .
Written in English

Subjects:

  • Cutthroat trout.,
  • Fishes -- Wyoming -- Yellowstone Lake.

Book details:

Edition Notes

StatementRoss V. Bulkley.
SeriesResearch report (United States. Bureau of Sport Fisheries and Wildlife) -- 54.
ContributionsUnited States. Bureau of Sport Fisheries and Wildlife.
Classifications
LC ClassificationsSH11 .A3 no. 54
The Physical Object
Pagination31 p. :
Number of Pages31
ID Numbers
Open LibraryOL15518396M

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Yellowstone cutthroat trout currently inhabit about 63% of their historic range in Idaho. The current population estimate is million in 70 subpopulations wit km (14, mi) sampled (Meyer et al. in prep.). Populations that have been monitored over. C - Bulkley, Ross V. Fluctuations in Age Composition and Growth Rate of Cutthroat Trout in Yellowstone Lake. U.S. Fish and Wildlife Service Research Report C - Schaefer, V.J. Final Report, Yellowstone Field Research Seminar. Publ. #1, Atmospheric Sciences Research Center, State University of New York, Albany,   Also, cutthroat trout growth rates “in length and mass were greater for both juveniles and adults” where the fish weren’t competing with brown trout compared to those fish that did compete. The Westslope Cutthroat Trout's historical range was all of Montana west of the Continental Divide as well as the upper Missouri River drainage. This fish has been seriously reduced in its range by two primary factors: hybridization with Rainbow and/or Yellowstone Cutthroat Trout.

A knowledge of the basic biology of any fish is a primary requirement for the practical management of that stock of fish. This investigation was directed at a pure culture population of Yellowstone cutthroat trout, to describe the basic biology and provide a basis for management and further research. Kiakho Lake has a surface area of acres, a maximum depth of 32 feet and a mean depth of. Fluctuations in age composition and growth rate of cutthroat trout in Yellowstone Lake. U.S. Fish and Wildl. Ser. Res. Rpt. 31pp. Benson, N.G. Limnology of Yellowstone Lake in relation to the cutthroat trout. U.S. Fish and Wildl. Scientists found that 95% of the diet of older (9 years and older), larger (greater than 23 inches) lake trout in Yellowstone Lake was composed of fish, and most of the fish were cutthroat trout (Ruzycki et al. ). Furthermore, fish represented about 60% of the diet among lake trout 4 to 8 years old . Google Scholar Bulkley RV () Fluctuations in age composition and growth rate of cutthroat trout in Yellowstone Lake. US Fish and Wildlife Service, Research Rep Washington, DC, 31 pp Bulkley RV and Benson NG () Predicting year-class abundance of Yellowstone Lake cutthroat trout.

Fluctuations in Age Composition and Growth Rate of Cutthroat Trout in Yellow- stone Lake, by Ross V. Bulkley. 31 pp. Mortality Studies on Cutthroat Trout in Yellowstone Lake, by Orville P. Ball and Oliver B. Cope. Great Basin Naturalist Volume 47|Number 2 Article 11 Parasites of the cutthroat trout,Salmo clarki, and longnose suckers,Catostomus catostomus, from Yellowstone Lake, Wyoming R. .   Cutthroat trout Oncorhynchus clarki. Taxon: Freshwater fish Range: Cutthroat trout are native to the Western United States; introduced in the Southeast. Status: Not listed under the Endangered Species Act, but several subspecies are considered threatened in their native ranges. Cutthroat trout are freshwater fish in the family Salmonidae, as are rainbow trout. We observed increased growth rates for individuals in the high hybrid category, similar to other studies examining growth in westslope and Yellowstone cutthroat trout (Belk et al. ; Rasmussen.