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Piscivorous colonial waterbirds in the Columbia River estuary : demography, dietary contaminants, and management

Creator:: Suzuki, Yasuko
Abstract:: Caspian terns (Hydroprogne caspia) and double-crested cormorants (Phalacrocorax auritus) nest in large colonies on East Sand Island in the Columbia River estuary, the largest known colonies for the two species in the world. Both species of piscivorous colonial waterbirds have been identified as predators with a significant impact on the...
Resource Type:: Dissertation
Full Text:: special emphasis on two breeding colonies, one on East Sand Island in the Columbia River estuary and the

An analysis of guild structure of avian communities, Columbia River, Oregon

Creator:: Noyes, Cecilia Lea Barham
Abstract:: Effects of habitat and season on guild structure of avian communities were examined for islands in the estuary zone of the Columbia River, Oregon. Bird species were classified into guilds according to their major food item, typical foraging substrate, and foraging behavior. Variation in community structure indices (number of guilds,...
Resource Type:: Masters Thesis
Full Text:: islands of the 6 lower Columbia River, Oregon, 1978-1979. 2 Mean community parameters and correlations

Annual secondary production and community dynamics of benthic infauna in a Columbia River estuary mudflat

Creator:: Jones, Kim K.
Resource Type:: Masters Thesis
Full Text:: research effort in the Columbia River estuary directed towards understanding the estuary and providing

The life history of Corophium salmonis in the Columbia River estuary

Creator:: Wilson, Stephanie Lynn
Abstract:: The benthic amphipod Corophium salmonis was sampled seasonally from two sites (Desdemona Sands and Grays Bay) in the Columbia River estuary. Populations of C. salmonis at both sites were found to have a two generation per year life cycle, a spring generation and a fall generation. The spring generation juveniles...
Resource Type:: Masters Thesis

Tsunami propagation in large rivers : idealized cases and the Columbia River Estuary

Creator:: Kalmbacher, Kirk D.
Abstract:: The hazards associated with tsunamis are well known and have been studied for decades. The majority of research is, however, focused on open coastlines which bear the brunt of a tsunamis force. Other regions that can be strongly impacted by a tsunami are large estuaries. Here, the tsunami encounters a...
Resource Type:: Masters Thesis
Full Text:: Propagation in Large Rivers: Idealized Cases and the Columbia River Estuary Abstract approved

Ecological and radioecological studies in the Columbia River Estuary and adjacent Pacific Ocean

Creator:: Holton, Robert L., Pearcy, William G., Cutshall, Norman H., and McMechan, Karla J.
Abstract:: This report represents the progress in "Ecological and Radioecological Studies in the Columbia River Estuary and Adjacent Pacific Ocean" for the period 1 April 1975 through 31 March 1976. This research has been supported with funds from the Division of Biomedical and Environmental Research, U.S. Energy Research and Development Administration...
Resource Type:: Technical Report
Full Text:: REPORT Ecological and Radioecological Studies in the Columbia River Estuary and Adjacent Pacific Ocean

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

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

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
Full Text:: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Vertical Distribution of Soluble and Particulate Radionuclides in the Columbia River Estuary

Wave propagation processes at the mouth of the Columbia River

Creator:: Andes, Lisa (Lisa Christine)
Abstract:: The mouth of the Columbia River (MCR) has a longstanding reputation of hazardous navigational conditions. This reputation has been developing since the first ship, the Columbia, traversed through the inlet in 1792. The hazardous conditions are related to the large waves and strong tidal currents that are common in the...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Piscivorous colonial waterbirds in the Columbia River estuary : demography, dietary contaminants, and management

An analysis of guild structure of avian communities, Columbia River, Oregon

Annual secondary production and community dynamics of benthic infauna in a Columbia River estuary mudflat

The life history of Corophium salmonis in the Columbia River estuary

Tsunami propagation in large rivers : idealized cases and the Columbia River Estuary

Ecological and radioecological studies in the Columbia River Estuary and adjacent Pacific Ocean

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

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

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

Wave propagation processes at the mouth of the Columbia River

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