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Filtering by: Subject Benthic animals -- Columbia River Estuary (Or. and Wash.)

A grab-sample study of the benthic invertebrates of the Columbia River Estuary

Creator:

Higley, Duane L. and Holton, Robert L.

Abstract:

The report provides benthic invertebrate densities and sediment texture data for 48 stations in the Columbia River estuary (Columbia River mile 0-28) sampled by grab sampler between 31 August 1975 and 22 January 1976.

Resource Type:

Technical Report

Full Text:

the benthic infauna of the Columbia River estuary and should be better utilized. The data should
Analysis of benthic infauna communities and sedimentation patterns of a proposed fill site and nearby regions in the Columbia River Estuary

Creator:

Higley, Duane L., Holton, Robert L., Komar, Paul D., 1939-, and McMechan, Karla J.

Abstract:

The Port of Astoria has proposed to fill a 32.4 hectare inter- and subtidal area at the mouth of Youngs Bay, Columbia River, Oregon. The possible effects of this fill on the biota and sedimentation patterns of this area were studied from 31 August 1975 to 29 February 1976. Part...

Resource Type:

Technical Report
Eyes on the Seafloor : Using Video Tools to Monitor Benthic Communities at Dredged Material Disposal Sites at the Mouth of the Columbia River

Creator:

Fields, Stephanie A.

Abstract:

The mouth of the Columbia River (MCR) is an intersection of more than a river and ocean, but also multiple economically valuable activities including dredging to maintain a deep draft shipping channel and an active Dungeness crab (Metacarcinus magister) fishery. More than three million cubic meters of sediment are annually...

Resource Type:

Masters Thesis

Full Text:

the mouth of the Columbia River, OR. The North Jetty is visible extending from the Washington side