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1971 Columbia River Estuary Resource Use Study

Creator:: Gaumer, Tom, Demory, Darrell, and Osis, Laimons
Abstract:: In 1971 the Fish Commission of Oregon conducted a comprehensive study of the recreational use of marine food fish, shellfish, and other miscellaneous invertebrates in 16 Oregon estuaries. From March 1 through October 31, 1971, boat and shore anglers and tideflat users were interviewed for catch, effort, and origin data...
Resource Type:: Technical Report

Extrinsic and Intrinsic Factors Associated with Reproductive Success of Caspian Terns (Hydroprogne caspia) at East Sand Island, Columbia River Estuary

Creator:: Bailey, Olivia A.
Abstract:: Declines in wild salmonid (Oncorhynchus spp.) populations in the Columbia River basin have resulted in managers identifying that avian predation on juvenile salmonids is an important limiting factor for salmonid recovery. Caspian Terns (Hydroprogne caspia), particularly those nesting in the Columbia River estuary, were identified as key avian predators that...
Resource Type:: Masters Thesis

Energy related development in the Columbia River Estuary: potential, impacts, and mitigation

Creator:: Smith, Scott E. and Columbia River Estuary Study Taskforce
Resource Type:: Research Paper

Vertical distribution of radioactivity in the Columbia River estuary

Creator:: Hanson, Peter James
Abstract:: In situ salinity, turbidity and temperature were measured at discrete depths and water samples for radioanalysis were simultaneously collected in the Columbia River Estuary using a specially designed instrument package. Particulate radioactivity was concentrated by filtration and the dissolved radioactivity by evaporation or ferric oxide bulk precipitation. Radioanalysis was by...
Resource Type:: Masters Thesis

2004-2005 Columbia River recreational Dungeness crab pilot catch and effort study

Creator:: Durham, Christina, Hunter, Matthew, and Oregon. Dept. of Fish and Wildlife. Marine Resources Program
Abstract:: "With the implementation of the recreational shellfish license in 2004, ODFW decided to re-initiate a study of the recreational component of the Dungeness crab fishery. The pilot study was performed to assess the effort and catch of recreational Dungeness crabbers on the Columbia River estuary during the fall and winter...
Resource Type:: Technical Report

Seasonal and tidal influence of the estuarine turbidity maximum on primary biomass and production in the Columbia River estuary

Creator:: Morgan, Stacey Rose
Abstract:: The Columbia River Estuary was sampled during high (May-June), intermediate (July), and low (September-October) river flow seasons to further define the role of the ETM with respect to its effect on primary biomass and production, and to discover how this effect changes in space and time. Strong ETMs were determined...
Resource Type:: Masters Thesis

Utilization of the Columbia River Estuary by American shad, Alosa sapidissima (Wilson)

Creator:: Hammann, Mark Gregory
Abstract:: The migrations, distribution, and feeding of American shad, Alosa sapidissima (Wilson), were studied from February 1980 through January 1981 in the Columbia River Estuary, an important rearing zone for young-of-the-year shad. Sampling was performed with purse seine, beach seine, and otter trawl. Adult shad and large numbers of juveniles from...
Resource Type:: Masters Thesis

Ecological studies of radioactivity in the Columbia River Estuary and adjacent Pacific Ocean

Creator:: Osterberg, Charles L., Carey, Andrew G., Jr., McCauley, James E., and Pearcy, William G.
Resource Type:: Technical Report

Ecological studies of radioactivity in the Columbia River Estuary and adjacent Pacific Ocean : progress report 1 July 1971 through 30 June 1972

Creator:: Cutshall, N. H. and Oregon State University. Department of Oceanography
Abstract:: The progress report that follows includes research results ranging from unproved ideas to scientific papers published during the tenure of this contract. The end of the contract year finds several facets of our work in various states of preparation, therefore the reader is cautioned that all except the published papers...
Resource Type:: Technical Report

Ecological studies of radioactivity in the Columbia River Estuary and adjacent Pacific Ocean : progress report 1 July 1969 through 30 June 1970

Creator:: Oregon State University. Department of Oceanography and McCauley, James E.
Abstract:: The progress report that follows includes research results ranging from unproved ideas to scientific papers published during the tenure of this contract, The end of the contract year finds several facets of our work in various states of preparation, therefore the reader is cautioned that all except the published papers...
Resource Type:: Technical Report

ScholarsArchive@OSU

1971 Columbia River Estuary Resource Use Study

Extrinsic and Intrinsic Factors Associated with Reproductive Success of Caspian Terns (Hydroprogne caspia) at East Sand Island, Columbia River Estuary

Energy related development in the Columbia River Estuary: potential, impacts, and mitigation

Vertical distribution of radioactivity in the Columbia River estuary

2004-2005 Columbia River recreational Dungeness crab pilot catch and effort study

Seasonal and tidal influence of the estuarine turbidity maximum on primary biomass and production in the Columbia River estuary

Utilization of the Columbia River Estuary by American shad, Alosa sapidissima (Wilson)

Ecological studies of radioactivity in the Columbia River Estuary and adjacent Pacific Ocean

Ecological studies of radioactivity in the Columbia River Estuary and adjacent Pacific Ocean : progress report 1 July 1971 through 30 June 1972

Ecological studies of radioactivity in the Columbia River Estuary and adjacent Pacific Ocean : progress report 1 July 1969 through 30 June 1970

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