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  • Clam wastage

    Creator:
    Woelke, Charles E.
    Abstract:
    Many clams are damaged by diggers' shovels and never caught. In other cases, small clams are discarded by diggers and may not recover from having been dug. These phenomena are known as "clam wastage." In this 1951 document, the author attempts to map a strategy to enable fisheries managers to...
    Resource Type:
    Technical Report

  • Razor clams

    Creator:
    Woelke, Charles E. and Oregon. Fish Commission. Shellfish Program
    Abstract:
    No.14 p.1. Gives a brief overview of the history and status of the Oregon razor clam fishery in 1951.
    Resource Type:
    Technical Report

  • 1982 clam studies

    Creator:
    Gaumer, Tom
    Abstract:
    This report summarizes the results of our bay clam studies in 1982. Activities summarized include the recreational clam fishery, commercial clam fishery, hatchery stock enhancement studies, natural recruitment studies, and miscellaneous other project.
    Resource Type:
    Technical Report
    Full Text:
    . Clam digging on the Happy Camp clam bed continued to be very good in 1982 with 12.0 clams/trip being

  • Commercial clam production

    Creator:
    Gaumer, Thomas F., Starr, Richard M., and Oregon. Department of Fish and Wildlife
    Abstract:
    "Completion report : October 1, 1979 to December 31, 1981" "We completed Our assessment of commercial clam harvest potential in Tillamook, Yaquina and Coos bays. All three bays contained commercial quantities of clams. Detailed studies in Yaquina Bay in 1981 revealed a biomass estimate of 2.6 million pounds (1,179.1 mt)...
    Resource Type:
    Technical Report
    Full Text:
    (mm) of Commercially Harvested Gaper Clams, 1976- 81.. . . 10 11 Summary of Clam Densities (No./ft 2

  • 1983 clam studies

    Creator:
    Gaumer, Tom
    Abstract:
    This report summarizes the results of our bay clam studies in 1983. Activities summarized include monitoring of the recreational and commercial clam fisheries, hatchery stock enhancement studies, natural recruitment studies, and miscellaneous other projects.
    Resource Type:
    Technical Report
    Full Text:
    recruitment of gaper clams in this type of substrate, An example of this is at the popular Happy Camp clam

  • 1984 clam studies

    Creator:
    Gaumer, Tom
    Abstract:
    This report summarizes the results of our bay clam studies in 1984. Activities summarized include monitoring of the recreational and commercial clam fisheries, hatchery stock enhancement studies, natural recruitment studies, and miscellaneous other projects.
    Resource Type:
    Technical Report
    Full Text:
    clam and length of butter, gaper, littleneck, and softshell clams. We age the various species of clams

  • 1985 clam studies

    Creator:
    Gaumer, Thomas F.
    Abstract:
    This report summarizes the results of our bay clam studies in 1985. Activities summarized include monitoring of the recreational and commercial clam fisheries, hatchery stock enhancement studies, natural recruitment studies, and miscellaneous other projects.
    Resource Type:
    Technical Report
    Full Text:
    clam and length of butter, gaper, littleneck, and softshell clams. We age the various species of

  • 1986 razor clam fishery

    Creator:
    Link, Terry
    Abstract:
    Razor clams from Clatsop Beach (Tillamook Head to the Columbia River) were sampled regularly from March through September and periodically the remainder of the year. Sport and commercial diggers were interviewed to obtain data on number, age composition of clams dug, and harvest area. Data from other beaches south of...
    Resource Type:
    Technical Report
    Full Text:
    the clams were gone--36,500 were taken by 2,260 diggers and the remainder died. Clam wastage

  • 1983 razor clam fishery

    Creator:
    Link, Terry
    Abstract:
    Razor clams from Clatsop Beach (Tillamook Head to Columbia River) were sampled regularly from March through September and periodically the rest of the year. Sport and commercial diggers were interviewed to obtain data on number, age composition of clams dug and harvest area. Data from other beaches south of Tillamook...
    Resource Type:
    Technical Report
    Full Text:
    statistical area. Clam wastage was calculated at 10.0%. Wastage was minimal due to scarcity of clams as most

  • 1985 razor clam fishery

    Creator:
    Link, Terry
    Abstract:
    Razor clams from Clatsop Beach (Tillamook Head to the Columbia River) were sampled regularly from March through September and periodically the remainder of the year. Sport and commercial diggers were interviewed to obtain data on number, age composition of clams dug, and harvest area. Data from other beaches south of...
    Resource Type:
    Technical Report
    Full Text:
    SHELLFISH INVESTIGATION INFORMATION REPORT 1985 RAZOR CLAM