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Comparative study of the population dynamics, secondary productivity, and reproductive ecology of the euphausiids Euphausia pacifica and Thysanoessa spinifera in the Oregon upwelling region

Creator:: Gutierrez, Jaime Gomez
Abstract:: I compare the seasonal abundance variation, population dynamics, fecundity, egg hatching mechanism and success, and apostome ciliate parasites of the euphausiids Euphausia pac?fica and Thysanoessa spinfera from the Oregon coast, USA. Community structure and nearshore distributions were examined from bi-weekly oceanographic surveys (1970-1972). This region has a strong cross-shelf change...
Resource Type:: Dissertation
Full Text:: Charles B. Miller (COAS), William T. Peterson (NOAA), Margaret Knight (Sb), Edward Brinton (Sb), Annie

Life history and ecology of Calanus marshallae Frost in the Oregon upwelling zone

Creator:: Peterson, William T.
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF William Thornton Peterson for the

Radioecology of ⁶⁵Zn in an arm of the Columbia River Estuary

Creator:: Renfro, William Charles
Abstract:: Levels of ⁶⁵Zn in water, sediments, plants, and animals in Alder Slough, a small ecosystem in the Columbia River Estuary, were determined periodically during a one year period. Concentrations of total Zn in organisms were also measured to permit computation of specific activities (μCi⁶⁵Zn/g total Zn). Temporal fluctuations in the...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF William Charles Renfro for the Ph

Iron-55 in Pacific Ocean organisms

Creator:: Jennings, Charles David
Resource Type:: Dissertation
Full Text:: : IRON-55 IN PACIFIC OCEAN ORGANISMS Abstract approved: Charles Osteberg William 0. Forster Large

Size structure and growth rate of Euphausia pacifica off the Oregon coast

Creator:: Smiles, Michael Charles Jr
Abstract:: Euphausia pacifica lives for a period of approximately one year, disappearing from the catches at a size of about 22-24 mm. Spawning, which occurs mainly inshore, extends from June through December but generally is most prominent in the autumn months. Average growth is calculated to be approximately 2.0 mm per...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF MICHAEL CHARLES SMILES, JR. for

Determination and application of ³²p specific activity in Columbia River fish

Creator:: Romberg, Gerald Patrick
Resource Type:: Masters Thesis
Full Text:: : DETERMINATION AND APPLICATION OF 32P SPECIFIC ACTIVITY IN COLUMBIA RIVER FISH Abstract approved: William

Vertical distribution and feeding of two species of chaetognaths at weather station P.

Creator:: Sullivan, Barbara Koster
Resource Type:: Dissertation
Full Text:: my appreciation for the help of Charles B. Miller, my major professor; Sally Richardson and William

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
Full Text:: of Radioactivity in the Columbia River Es tua r Abstract approved: Charles L. Osterberg William 0

Extraction of zinc from sea water

Creator:: Buffo, Lynn Karen
Abstract:: A liquid-extraction procedure for the concentration of zinc in sea water was developed. The metal ion in sea water was chelated with sodium diethyldithiocarbamate and extracted into an organic solvent, methylisobutylketone, at the normal pH of sea water. A back-extraction into HCl followed, providing a concentration of 30X for the...
Resource Type:: Masters Thesis
Full Text:: OF ZINC FROM SEA WATER Abstract approved: Dr. Charles L.Osferberg Dr. William 0. Forster A liquid

Radioactivity of sediments in the Columbia River estuary

Creator:: Jennings, Charles David
Resource Type:: Masters Thesis
Full Text:: design of the line- matching pre-amplifier and to Messrs. William Bales and Charles Elliot for many

ScholarsArchive@OSU

Comparative study of the population dynamics, secondary productivity, and reproductive ecology of the euphausiids Euphausia pacifica and Thysanoessa spinifera in the Oregon upwelling region

Life history and ecology of Calanus marshallae Frost in the Oregon upwelling zone

Radioecology of ⁶⁵Zn in an arm of the Columbia River Estuary

Iron-55 in Pacific Ocean organisms

Size structure and growth rate of Euphausia pacifica off the Oregon coast

Determination and application of ³²p specific activity in Columbia River fish

Vertical distribution and feeding of two species of chaetognaths at weather station P.

Vertical distribution of radioactivity in the Columbia River estuary

Extraction of zinc from sea water

Radioactivity of sediments in the Columbia River estuary

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