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Filtering by: Creator Willis, Dana C. Remove constraint Creator: Willis, Dana C. Decade 1960-1969 Remove constraint Decade: 1960-1969 Non-Academic Affiliation Oregon. Department of Fish and Wildlife Remove constraint Non-Academic Affiliation: Oregon. Department of Fish and Wildlife

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  • Final Report: Gnat Creek Weir Studies

    Creator:
    Willis, Raymond A. and Oregon. Fish Commission
    Abstract:
    "Gnat Creek heir, constructed with federal funds and was completed in October 1955. Primary objectives were to quantitatively study fail chinook and silver salmon to: (1) determine the survival, timing, and size of juvenile salmonids resulting from natural spawning; (2) measure the survival of hatchery eared fingerlings and yearlings; (3)...
    Resource Type:
    Technical Report
    Full Text:
    STUDIES Raymond A. Willis Fish Cammission of Cs egern Research Division Class .S Oregon Decxxiber 1962

  • Shellfish investigations : April 1, 1964 - March 31, 1965

    Creator:
    Snow, C. Dale, Demory, Darrell, DeBen, Waldemar, Neilsen, John R., and Oregon. Fish Commission
    Abstract:
    This report is an update of shellfish investigations from April 1964 to March 1965. Inside can be found a summary of two clam mortality events. It also has the numbers of razor clams dug for sport and commercial fisheries and the results of the 1964 razor clam beach survey. This...
    Resource Type:
    Technical Report
    Full Text:
    , 1964 - March 31, 1965 Fish Commi sion of Oregon Research Division Auaust 1966 TABLE OF C

  • Shellfish investigations : April 1, 1965 - March 31, 1966

    Creator:
    Snow, C. Dale, Reed, Paul H., Demory, Darrell, Neilsen, John R., DeBen, Waldemar, and Kaiser, Alan
    Abstract:
    This report is an update of shellfish investigations from April 1965-March 1966. It has bay clam surveys results, with more detail on the Tillamook and Yaquina Bays, but includes others such as Nehalem, Siuslaw, Umpqua, and Nestucca. This report discusses the start of life history studies for the cockle clam,...
    Resource Type:
    Technical Report
    Full Text:
    • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Cooperative c~ises • • Mating behavior studies

  • Research briefs. Vol. 13, no. 1

    Creator:
    Oregon. Fish Commission
    Abstract:
    These short reports are intended to inform the public, fishing industry, sportsmen, and fisheries scientists of research conducted by the Fish Commission. Reports will be published from time to time as studies are sufficiently complete. Most of the reports provide biological evidence upon which meas­ures are based to enhance and...
    Resource Type:
    Technical Report
    Full Text:
    ' . .," 2 4 6 8 10 12 14 16 18 20 N U M B E R OF C l R G U L l Figure 5-Relationship between circuli

  • Research briefs. Vol. 11, no 1

    Creator:
    Oregon. Fish Commission
    Abstract:
    These short reports are intended to inform the public, fishing industry, sportsmen, and fisheries scientists of research conducted by the Fish Commission. Reports will be published from time to time as studies are sufficiently complete. Most of the reports provide biological evidence upon which meas­ures are based to enhance and...
    Resource Type:
    Technical Report
    Full Text:
    Dungeness Crabs with Spaghetti and Dart Tags C. Dale Snow and Emery J. Wagner

  • Growth and mortality rates of the razor clam (Siliqua patula) on Clatsop beaches, Oregon

    Creator:
    Hirschhorn, George and Oregon. Fish Commission
    Abstract:
    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 growth of two year classes through more than one year following set led to a validation of the ring...
    Resource Type:
    Technical Report
    Full Text:
    , Editor Thomas E. Kruse Alfred R. Morgan Earl F. Pulford Sigurd J. Westrheim Raymond A. Willis

  • Oregon coastal salmon and steelhead tagging programs

    Creator:
    Henry, Kenneth A. and Morgan, Alfred R.
    Abstract:
    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 the fish remained in the fishery, population sizes, and fishing mortalities were determined from...
    Resource Type:
    Technical Report
    Full Text:
    Thomas E. Kruse Alfred R. Morgan Earl F. Pulford Sigurd J. Westrheim Raymond A. Willis Anthony

  • A winter steelhead tagging program on the Columbia River

    Creator:
    Korn, Lawrence and Oregon. Fish Commission
    Abstract:
    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. Objectives of the program were: (1) to obtain information on the timing of the various segments of the run; (2)...
    Resource Type:
    Technical Report
    Full Text:
    Raymond A. Willis Anthony Netboy, Editorial Consultant Address all correspondence to: Jack M. Van

  • Biennial report to the Governor and the Fifty-Second Legislative Assembly / Fish Commission of the State of Oregon : July 1, 1960 - June 30, 1962

    Creator:
    Oregon. Fish Commission
    Abstract:
    July 1, 1960 - June 30, 1962. Issue does not carry date of publication.
    Resource Type:
    Technical Report
    Full Text:
    Statutes 506.155 (Amended by 1961 c 275). In these words the State Legislature has de- fined the Fish

  • Research briefs. Vol. 10, no. 1

    Creator:
    Oregon. Fish Commission
    Abstract:
    These short reports are intended to inform the public, fishing industry, sportsmen, and fisheries scientists of research conducted by the Fish Commission. Reports will be published from time to time as studies are sufficiently complete. Most of the reports provide biological evidence upon which meas­ures are based to enhance and...
    Resource Type:
    Technical Report
    Full Text:
    . . . Raymond A. Willis .............................. 41 A Modified Methed of Analyzing Stomach Contents with