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  • Analysis and history of the Oregon otter-trawl fishery

    Creator:
    Harry, George Yost, 1919-
    Abstract:
    The objective of the thesis is to present data upon which the management of the Oregon otter-trawl fishery can be based. In addition, a history of the Oregon trawl fishery is presented. A summary of gear development by many of the vessels in the Oregon fleet is presented in table...
    Resource Type:
    Dissertation
    Full Text:
    CJNTENT6 IaThODUG ION Page h16TOAY OF ViL 6 Early Recoras 6 riength of Trip and T ngth or Drags 16

  • Research reports of the Fish Commission of Oregon. Vol. 2, no.1

    Creator:
    Oregon. Fish Commission
    Resource Type:
    Technical Report
    Full Text:
    coasts of Washington and British Columbia, 5% of f the Oregon coast, and less than 1% o f f Alaska and

  • Research reports of the Fish Commission of Oregon. Vol. 4, no. 1

    Creator:
    Oregon. Fish Commission
    Resource Type:
    Technical Report
    Full Text:
    selectivity by age, size, or sex; ( 8 ) f luctuations i n abundance of hatchery stocks were related t o

  • Research reports of the Fish Commission of Oregon. Vol. 3, no. 1

    Creator:
    Oregon. Fish Commission
    Resource Type:
    Technical Report
    Full Text:
    - Southern Washington Coast .................................... ROBERT L. DEMORY 44 Nearshore Ocean

  • Research briefs. Vol. 6, no. 2

    Creator:
    Oregon. Fish Commission
    Abstract:
    These short reports are intended to inform the public, in­dustry, and other interested parties of the current studies of the Commission's staff and of the basis for conservation meas­ures. Reports will be published from time to time when studies are sufficiently complete to provide reliable biological evidence for conclusions upon...
    Resource Type:
    Technical Report
    Full Text:
    , or the numbers estimated, and released. In only 9 of the 147 drags was it necessary to estimate the

  • 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:
    . The Petersen or button-type tag is placed on the crab' by drilling or punching a hole at the base of

  • Research briefs. Vol. 12, 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:
    in Oregon, Washington, or British Columbia because of the lack of tag recoveries from fish captured

  • Research briefs. Vol. 7, no. 1

    Creator:
    Oregon. Fish Commission
    Abstract:
    These short reports are intended to inform the public, in­dustry, and other interested parties of the current studies of the Commission's staff and of the basis for conservation measures. Reports will be published from time to time when studies are sufficiently complete to provide reliable biological evidence for conclusions upon...
    Resource Type:
    Technical Report
    Full Text:
    an inch or two long). No attempts were made to distinguish the immature and mature testes of Dover

  • Research reports of the Fish Commission of Oregon. Vol. 4, no. 2

    Creator:
    Oregon. Fish Commission
    Abstract:
    "From a thesis submitted to Oregon State University in partial fulfillment of the requirements for the degree of Doctor of Philosophy, June, 1971."
    Resource Type:
    Technical Report
    Full Text:
    . Downstream movement was reduced during increased light levels (daylight or moonlighti. This initial movement

  • 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:
    Washington Department of Fisheries Toutle River Hatchery rack and so may be in part or entirely of hatchery