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Filtering by: Alternative title ssim Circular of information no. 689 Remove constraint Alternative title ssim: Circular of information no. 689 Subject Fisheries -- Oregon Remove constraint Subject: Fisheries -- Oregon

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  • Research briefs. Vol. 9, 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:
    by a rigid frame, and no otter doors are necessary; however, because of its rigidity the beam trawl

  • Research briefs. Vol. 9, 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:
    by a rigid frame, and no otter doors are necessary; however, because of its rigidity the beam trawl

  • 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:
    . WESTRHEIM Introduction The need for information concerning the early life history of the prin- cipal

  • 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:
    attributed no tag loss to this condition. This report presents the results of a tagging study in 1961 on

  • Research briefs. Vol. 8, 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:
    along the beach adjacent to the entrance of the bay for a few miles. No tag recoveries were made

  • 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:
    research plan was developed with the objective of providing information which would form the basis for

  • Research briefs. Vol. 6, 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 saff 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:
    California, but the authors found no published records of this species from Oregon (Burch [Ed.], 1945

  • 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:
    variance no statistical signifi- cance was found in the difference in mean weight of the trap and gill-net

  • 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:
    ; French and Wahle, 1959). However, since no previous work has been done with natural populations of

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

    Creator:
    Oregon. Fish Commission
    Resource Type:
    Technical Report
    Full Text:
    recorded. No regeneration of the adi- pose fin was noted, or complete regenera- tion of the ventral