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Browsing Oregon Fish Commission Contributions by Author "Oregon. Fish Commission"

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Browsing Oregon Fish Commission Contributions by Author "Oregon. Fish Commission"

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  • Morgan, Alfred R.; Cleaver, Fred C. (Frederick Charles), 1916-; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1954)
    During a tagging operation conducted in 1951 on the Alsea River, 1,142 adult silver salmon were tagged with plastic Petersen-type tags and stainless steel jaw tags. An attempt was made to determine whether tagged fish r ...
  • Henry, Kenneth A.; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1954)
    Ages were determined for 65 fish from the 1947 run and for 287 fish from the 1949 run. In 1947 the percentage composition by age was as follows: 32.3 percent 3-year-old fish, 66.2 percent 4-year-old fish, and 1.5 percent ...
  • Marr, John C.; Oregon. Fish Commission (Salem, Or. : Department of Research, Fish Commission of the State of Oregon, 1944)
    Samples, consisting of scales, length and weight measurements, and sex determinations of chum, pink, and silver salmons, were taken from the commercial catch in the Columbia River in 1914. Five hundred eighteen chum scal ...
  • Henry, Kenneth A.; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1953-09)
    Tillamook Bay chum salmon are caught commercially by gill-nets, both set and drift, and from 1928 through 1949 the landings have averaged 819,689 pounds per season. More chum salmon are caught on Tillamook Bay than on th ...
  • Rich, Willis H. (Willis Horton), 1885-1972; Oregon. Fish Commission ([Salem, Or. : State Printing Dept.], 1943)
    In a paper now in press as a Bulletin of the U. S. Fish and Wildlife Services the writer has discussed the downward trend of the catch of Columbia River Chinook salmon since 1920 and has stated that the decline is doubtl ...
  • Marriage, Lowell D.; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1954)
    An average of approximately 200,000 pounds of bay clams were harvested annually in Oregon for the years 1943-49, inclusive. The commercial harvest of bay clams is composed of the gaper, cockle, and softshell clams. The ...
  • Brock, Vernon E.; Oregon. Fish Commission (Salem, Or. : Department of Research, Fish Commission of the State of Oregon, 1944)
    The temperate water fisheries for albacore in the North Pacific seem to exploit somewhat similar segments of the respective populations present in the various localities. It is clear that in most of the exploited populat ...
  • Johnson, Donald R.; Chapman, Wilbert McLeod, 1910-1970; Schoning, Robert W.; Oregon. Fish Commission (Portland, Or. : Oregon Fish Commission, 1948)
    1. Six major types of commercial gear have been used to take salmon and steelhead on the Columbia River; namely, gill nets, set nets, seines, traps, fish wheels and dip nets. 2. The five important commercial species in t ...
  • Oregon. Fish Commission; Cleaver, Fred C. (Frederick Charles), 1916- (Portland, Or. : Oregon Fish Commission, 1951)
  • Waldron, Kenneth D.; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1958)
    Results of studies beginning in 1947 on the biology of the Dungeness crab (Cancer magister) in Oregon coastal waters are reported. A review is made of the history of the fishery with regard to trend of the catch by magni ...
  • Rich, Willis H. (Willis Horton), 1885-1972; Oregon. Fish Commission (Salem, Or. : Department of Research, Fish Commission of the State of Oregon, 1940)
    The salmon runs of the Columbia River constitute one of the most important natural resources of the states of Oregon and Washington. Thousands of people are dependent, wholly or in part, upon these resources for their ...
  • Hirschhorn, George; Oregon. Fish Commission (Portland, Or. : Fish Commission of Oregon, 1962)
    Clatsop Beaches, characterized by flat beach-face slope (1:70) and small sandsize (0.2 mm.), have supported commercial and recreational fisheries for the razor clam (Siliqua patula) for many years. Tracing the linear gro ...
  • Schoning, Robert W.; Merrell, Theodore R.; Johnson, Donald R.; Oregon. Fish Commission (Portland, Or. : Oregon Fish Commission, 1951-11)
    1. The Indians at Celilo Falls catch an average of over 2,600,000 pounds of fish each year, in dip nets in a manner very much the same as used by their ancestors. 2. The bulk of the fish caught at Celilo Falls is from t ...
  • 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 ...
  • 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 ...

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