Item Details

Equilibrium Yield and Management of Cutthroat Trout in Yellowstone Lake

by Norman G. Benson and Ross V. Bulkley
Format
Book; Government Document
Published
[Washington], [United States Fish and Wildlife Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off.], [1963]
Language
English
Series
Bureau of Sport Fisheries and Wildlife. Research Report
Research Report (United States. Bureau of Sport Fisheries and Wildlife)
SuDoc Number
I 49.26:62
Abstract
Equilibrium yield of the cutthroat trout, Salmo clarki lewisi Girard, in Yellowstone Lake, Wyo., is determined from data on catch and spawning runs from 1945 to 1961. Changes in growth rate, spawning runs, mortality rates, and year-class strength are related to differences in total catch. Three stages of exploitation of the stock are defined and the maximum safe catch or equilibrium yield is estimated at 325,000 trout. Management of the sport fishery according to equilibrium yield is discussed with reference to regulations, distribution of fishing pressure, planting, and interspecific competition. The Yellowstone River fishery is treated briefly.
Contents
  • Introduction
  • Yellowstone Lake fishery
  • Yellowstone River fishery
  • Summary
  • Literature cited
  • Appendix A, Distribution of fishing
  • Appendix B, Maturity of fish in catch
  • Appendix C, Growth increments
  • Appendix D, Year-class strength
  • Appendix E, Catch curves.
Description
iv, 44 pages illustrations, map 26 cm.
Notes
Includes bibliographical references (pages 37-38).
Series Statement
Bureau of Sport Fisheries and Wildlife. Research report 62
Research report (United States. Bureau of Sport Fisheries and Wildlife) ; 62
Technical Details

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    a| Equilibrium yield and management of cutthroat trout in Yellowstone Lake, c| by Norman G. Benson and Ross V. Bulkley.
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    a| Introduction -- Yellowstone Lake fishery -- Yellowstone River fishery -- Summary -- Literature cited -- Appendix A, Distribution of fishing -- Appendix B, Maturity of fish in catch -- Appendix C, Growth increments -- Appendix D, Year-class strength -- Appendix E, Catch curves.
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    a| Equilibrium yield of the cutthroat trout, Salmo clarki lewisi Girard, in Yellowstone Lake, Wyo., is determined from data on catch and spawning runs from 1945 to 1961. Changes in growth rate, spawning runs, mortality rates, and year-class strength are related to differences in total catch. Three stages of exploitation of the stock are defined and the maximum safe catch or equilibrium yield is estimated at 325,000 trout. Management of the sport fishery according to equilibrium yield is discussed with reference to regulations, distribution of fishing pressure, planting, and interspecific competition. The Yellowstone River fishery is treated briefly.
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    i| Online version: a| Benson, Norman Gustaf, 1923-. t| Equilibrium yield and management of cutthroat trout in Yellowstone Lake. d| [Washington, United States Fish and Wildlife Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1963] w| (OCoLC)795026237
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