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Reproduction, growth, feeding, and distribution of the mesopelagic fish Tactostoma macropus

Creator:: Fisher, Joseph P.
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joseph P. Fisher for the degree if

The biological and acoustical structure of sound scattering layers in the ocean off Oregon

Creator:: Kalish, John M.
Resource Type:: Masters Thesis
Full Text:: Protomyctophum crockeri and P. thompsoni , whereas Protomyctophum spp. and Diaphus theta were the most common

The distribution of hyperiid amphipods off the Oregon coast

Creator:: Van Arsdale, Harriet Ann
Abstract:: Hyperiid amphipods from one-meter plankton net collections made over a two year period at stations 15, 25, 50, and 65 nautical miles off Newport, Oregon, were examined. Nineteen species were identified. The occurrence of some species off Oregon significantly extended the known geographic ranges. To my knowledge Scina crassicornis burmudensis...
Resource Type:: Masters Thesis
Full Text:: (McEwen, Johnson, and Folsom, 1954) until about 200 hyperiids remained in the aliquot. The abundance of

Distribution and occurrence of the Salpidae off the Oregon coast

Creator:: Hubbard, Lyle Turner
Resource Type:: Masters Thesis
Full Text:: Oregon. 7 2. Geographic distribution of P! fusiformis July 1961 June 1964. 9 .3. Midwater trawl catches

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:: -38 6. Boden, B. P., M. W. Johnson and F. Brinton. 1955. The Euphausiacea (Crustacea) of the North

Tactics of Pacific Northwest albacore fishermen - 1968, 1969, 1970

Creator:: Keene, Donald Frederick
Abstract:: This study examines the relationship between fishing activities of Pacific Northwest albacore fishermen and the availability of albacore. Tactical responses of troll-boat fishermen were compared to changes in daily apparent albacore abundance. Tactical responses included boat aggregation and total applied effort (number of boats) within a particular area, and net...
Resource Type:: Dissertation
Full Text:: -test, P <0. 01), while open stars indicate a significant correlation (P <0.05). 1 4. Correlation

Endogenous activity rhythms of the vertically migrating ocean shrimp

Creator:: Frey, John Richard
Abstract:: This study is an investigation of the endogenous, or internal, rhythms of activity in the ocean shrimp, Pandalus jordani, Groups of shrimp were kept in constant light and temperature conditions in the laboratory, and activity was monitored visually and with infrared photography. Other groups of animals were exposed to 24-hour...
Resource Type:: Masters Thesis
Full Text:: : Dr. W. G. P cy This study is an investigation of the endogenous, or internal, rhythms of activity

Sound scattering by marine organisms in the northeastern Pacific Ocean

Creator:: Donaldson, Henry Adam
Abstract:: Sound scattering by marine organisms was studied off the Oregon coast and between Hawaii and Adak, Alaska. Variations in scattering were observed over a period of several hours, over did (24-hour) periods, from month to month, from inshore to offshore, in relation to biomass of midwater animals, and temperature and...
Resource Type:: Masters Thesis
Full Text:: ; Johnson etal. , 1956). Fishes are often considered a source of scattering because many possess an air

An analysis of depot lipid of ocean-caught juvenile coho salmon and comparisons with a laboratory fasting study

Creator:: Gushee, Dean E.
Resource Type:: Masters Thesis
Full Text:: may seriously deplete the food resources (Meyers, 1980; Judkins and Johnson, 1981) Analyses of the

Coastal upwelling and the ecology of lower trophic levels

Creator:: Laurs, R. Michael
Resource Type:: Dissertation
Full Text:: -2.0 -4.0 1.5 0 0.5 0 AINJSNI0 4IFAJAISI0INI0JIFINIA let p IOtA Figure 3. Differences between

ScholarsArchive@OSU

Reproduction, growth, feeding, and distribution of the mesopelagic fish Tactostoma macropus

The biological and acoustical structure of sound scattering layers in the ocean off Oregon

The distribution of hyperiid amphipods off the Oregon coast

Distribution and occurrence of the Salpidae off the Oregon coast

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

Tactics of Pacific Northwest albacore fishermen - 1968, 1969, 1970

Endogenous activity rhythms of the vertically migrating ocean shrimp

Sound scattering by marine organisms in the northeastern Pacific Ocean

An analysis of depot lipid of ocean-caught juvenile coho salmon and comparisons with a laboratory fasting study

Coastal upwelling and the ecology of lower trophic levels

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