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Relationships between oceanographic factors and the distribution of juvenile coho salmon (Oncorhynchus kisutch) off Oregon and Washington, 1982-1983

Creator:: Chung, Alton W.
Abstract:: Juvenile coho salmon (101-400 mm) were sampled by purse seine off the Pacific Coast from Waatch Point, Washington to Four Mile Creek, Oregon, out to 30 mi offshore, during the months of May, June, and September in 1982 and 1983. Sea surface temperature, surface salinity, surface chlorophyll-a concentration, and Secchi...
Resource Type:: Masters Thesis
Full Text:: Washington, 1982-1983 Abstract approved: Dr. William G. Pearc Juvenile coho salmon (101-400 mm) were

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:: AND GROWTH RA.TE OF EUPHAUSIA PACIFICA OFF THE OREGON COAST Abstract approved: William G. Pearcy

Swimbladder morphology and buoyancy of Northeastern Pacific myctophids

Creator:: Butler, John Lawton
Abstract:: Of the common adult lanternfishes found off Oregon, two species have fat-invested swimbladders (Stenobrachius leucopsarus Eigenmann and Eigenmann 1890 and Stenobrachius nannochir Gilbert 1891), two species have reduced swimbladders (Lampanyctus ritteri Gilbert 1915 and Lampanyctus galis Gilbert 1891), two species have gas-filled swimbladders ((Protomyctophum thomp soni (Chapman 1944)) and (Protomyctophum...
Resource Type:: Masters Thesis
Full Text:: Northeastern Pacific Myctophids Abstract approved: William G. Pearcy Of the common adult lanternfishes found

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:: : TACTICS OF PACIFIC NORTHWEST ALBACORE FISHERMEN 1968, 1969, 1970 Abstract approved: William G. This

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

Relationships between lower trophic levels and hydrography during an upwelling season off Oregon

Creator:: Schonzeit, Michael Harvey
Resource Type:: Masters Thesis
Full Text:: . Small, and Dr. William G. Pearcy who supervised the acquisition and processing of the hydrographic

Rockfishes and associated ichthyofauna caught off Monterey, California, summer 1976

Creator:: Sepulveda-Vidal, Jose
Resource Type:: Masters Thesis
Full Text:: assisted me in running these programs, I am grateful to Dr. William G. Pearcy for his encouragement an.d

Distribution of benthic fishes on the continental shelf and slope of the Oregon coast

Creator:: Day, Donald Stewart
Abstract:: The 36 samples collected with a 22-foot semi-balloon shrimp trawl at depths from 40 to 1,829 meters off the central coast of Oregon between July 1961 and June 1962 provided preliminary data on the distribution, species composition, and associations of benthic fishes with respect to depth and sediment type. Sixty-seven...
Resource Type:: Masters Thesis
Full Text:: : William G. Pearcy The 36 samples collected with a 22-foot semi-balloon shrimp trawl at depths from 40 to

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:: MARINE ORGANISMS IN THE NORTHEASTERN PACIFIC OCEAN Abstract approved: William G. Pearcy Sound

Growth of juvenile English sole, Parophrys vetulus, in estuarine and open coastal nursery grounds

Creator:: Rosenberg, Andrew A.
Resource Type:: Masters Thesis
Full Text:: : William G. Pearcy The growth of English sole juveniles, during 1978 -79, is described in detail from

ScholarsArchive@OSU

Relationships between oceanographic factors and the distribution of juvenile coho salmon (Oncorhynchus kisutch) off Oregon and Washington, 1982-1983

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

Swimbladder morphology and buoyancy of Northeastern Pacific myctophids

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

Endogenous activity rhythms of the vertically migrating ocean shrimp

Relationships between lower trophic levels and hydrography during an upwelling season off Oregon

Rockfishes and associated ichthyofauna caught off Monterey, California, summer 1976

Distribution of benthic fishes on the continental shelf and slope of the Oregon coast

Sound scattering by marine organisms in the northeastern Pacific Ocean

Growth of juvenile English sole, Parophrys vetulus, in estuarine and open coastal nursery grounds

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