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Browsing Oregon Fish Commission Contributions by Title

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Browsing Oregon Fish Commission Contributions by Title

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  • Schoning, Robert W.; Johnson, Donald R.; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1956)
    A study was undertaken in the fall of 1948 by the Oregon Fish Commission to determine the possible presence and importance of a delay in the migration of adult chinook salmon (Oncorhynchus tshawytscha) at Bonneville Dam ...
  • Whitmore, Cecil M.; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1965)
    An anemia of juvenile chinook salmon (Oncorhynchus tshawytscha) is described and stages of development separated by recognizable syndromes. A vitamin E-deficient diet of low rancidity produced a severe microcytic anemia ...
  • Brock, Vernon E.; Oregon. Fish Commission (Salem, Or. : Department of Research, Fish Commission of the State of Oregon, 1941)
    During an oceanographic cruise of the "E. W. Scripps" in May, 1939, off the coast of Oregon, four small, post-larval specimens of Anoplopoma fimitrita were taken at the surface of the sea with a dip net at two of the h ...
  • Van Hyning, Jack M.; Oregon. Fish Commission (Portland, Or. : Oregon Fish Commission, 1951)
    1. The Oregon troll salmon fishery developed rapidly prior to World War I to reach a peak of between one and three thousand boats fishing off the mouth of the Columbia River during 1919. The fishery later expanded to th ...
  • Henry, Kenneth A.; Morgan, Alfred R. (Portland, Or. : Fish Commission of Oregon, 1964)
    Part I. To aid in the management of the Tillamook Bay commercial salmon fishery, a tagging program was conducted on the salmon and steelhead trout runs in 1953. General migration behavior, the minimum length of time th ...
  • Rich, Willis H. (Willis Horton), 1885-1972; Oregon. Fish Commission. Research Dept. (Salem, Or. : Department of Research, Fish Commission of the State of Oregon, 1941)
    THE SALMON of the Columbia River have supported an intensive fishery for over seventy years but are now showing unmistakable signs of depletion, and various factors are contributing to the rapid progress of this condit ...
  • Gharrett, John T.; Hodges, John I.; Oregon. Fish Commission (Portland, Or. : Oregon Fish Commission, 1950)
    In spite of the progressive restrictions of the commercial river fishery during the past fifty years, the trend of the salmon populations of the coastal rivers has been downward. It is almost impossible to isolate and an ...
  • Rich, Willis H. (Willis Horton), 1885-1972; Oregon. Fish Commission (Salem, Or. : Department of Research, Fish Commission of the State of Oregon, 1942)
    Exceptional data are available for the study of the salmon runs of the Columbia River in 1938. Detailed figures on catch were supplied by Oregon and Washington in such form that they could readily be combined with the co ...
  • Rich, Willis H. (Willis Horton), 1885-1972; Oregon. Fish Commission (Salem, Or. : Department of Research, Fish Commission of the State of Oregon, 1940)
    A study of the fishery problems raised by the construction of the Grand Coulee Dam on the upper Columbia River was done. Part of the study was to estimate the number of salmon taken in commercial fishery for the purpose ...
  • McKernan, Donald L. (Donald Lynn), 1918-1979; Johnson, Donald R.; Hodges, John I.; Oregon. Fish Commission (Portland, Or. : Oregon Fish Commission, 1950)
    Three factors were found to be significantly correlated with the fluctuations and trends in silver salmon production in Oregon. Logging was found to adversely affect the runs of salmon in later years. Exceptional winte ...
  • Morgan, Alfred R.; Gerlach, Arthur R.; Oregon. Fish Commission; Oregon. State Game Commission (Portland : Oregon Fish Commission, 1950)
    1. There is no evidence of a decline in the striped bass population of Coos Bay. 2. The striped bass, a species introduced to the West Coast of North America, has been important as a recreational and commercial fish i ...
  • Wood, James W.; Ordal, Erling Josef, 1906-; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1958-12)
    Tuberculosis in salmonoid fishes was first observed in the 1952 run of fall chinook salmon (Oncorhynchus tshawytscha) returning to the Bonneville Hatchery of the Oregon Fish Commission. In the studies reported here, tube ...
  • Korn, Lawrence; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1961)
    The Oregon Fish Commission and Washington Department of Fisheries conducted a cooperative winter steelhead trout (Salmo gairdneri) tagging program on the Columbia River during the winters of 1954-55 and 1955-56. Objecti ...

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