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Creator:: Lewis, Mary J
Abstract:: Changes in the Oregon salmon, crab and shrimp fisheries were documented from 1967 to 1980. The related socio-economic conditions in fishing communities were described. Trends indicated that the overall importance of fisheries to port communities has declined and ports are not planning for an increase in the fishing industry. Chinook...
Resource Type:: Masters Thesis
Full Text:: , 1967-1980 20 Oregon chinook salmon fishery 23 Oregon coho salmon fishery 25 Columbia River glilnet

Creator:: Hatley, Thomas Alfred
Abstract:: Historic changes that have taken place on Oregon's commercial salmon fisheries are described in terms of their effects on the efficiency of fishermen. This historical analysis provides a background for comparative efficiency studies of Columbia River gillnetters and ocean trollers with the objective of determining which harvester group was more...
Resource Type:: Masters Thesis
Full Text:: chinook salmon. Evolutionary trends in salmon fishery management have tended to decrease efficiencies

Creator:: Nunez, Jose D.
Abstract:: Samples of weathervane scallops taken on Oregon Department of Fish and Wildlife cruises off Oregon waters during 1981-1982 were analyzed for a comparative growth study. No evidence of internal growth marks were found in the shell structure when analyzed by the acetate peel technique. Internal growth lines formed in the...
Resource Type:: Dissertation
Full Text:: Ligament 22 Biographical Variations 24 Oregon Scallop Fishery 25 MATERIALS AND METHODS 27 Shell

Creator:: Hayden, Thomas R.
Abstract:: English sole is a major contributor to Oregon and Washington groundfish resources. In accordance with the continued trend of increasing fishing effort, in 1975 Oregon State University Sea Grant funded an extensive groundfish research program: the Pleuronectid Project. The purpose was to provide information to assist resource management agencies. This...
Resource Type:: Masters Thesis

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