Index Catalog // ScholarsArchive@OSU

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

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

Creator:: Fisher, Joseph P.
Resource Type:: Masters Thesis
Full Text:: Distribution of the Me s opelagic Fish Tactostoma mac ropus Abstract approved: Professor William G. P4cy

Nekton remains, diatoms, and holocene upwelling off Peru

Creator:: DeVries, Thomas J.
Abstract:: Partly laminated sediments on the upper continental slope (200-600 m) off central Peru contain a diverse assemblage of fish debris, diatoms, and the remains of a variety of other nektonic, planktic, and benthic organisms. Approximately 97 percent of the fish scales recovered from the best preserved cores come from the...
Resource Type:: Masters Thesis
Full Text:: Holocene Upwelling off Peru Abstract approved: William G. Pearcy Partly laminated sediments on the upper

Feeding selectivity of Dover sole (Microstomus pacificus Lockington) off Oregon

Creator:: Gabriel, Wendy Louise
Resource Type:: Masters Thesis
Full Text:: SOLE (MICROSTOMUS PACIFICUS LOCKINGTON) OFF OREGON Abstract approved: Pr!. W. G. èarcy Factors

An evaluation of efficiency and distributional implications of changes in weed control technology in northeast Brazil

Creator:: Young, Douglas Leonard
Resource Type:: Dissertation
Full Text:: CONTROL TECHNOLOGY IN NORTHEAST BRAZIL Abstract approved: p, f - T- sues : —^ Dr. William G

An economic evaluation and benefit-cost analysis of National Fish Hatchery operations using linear programming and consumer's surplus models and concepts

Creator:: Hussen, Ahmed M.
Resource Type:: Masters Thesis
Full Text:: Abstract approved: William G. Brown A significant portion of the U. S. total harvest of Pacific

ScholarsArchive@OSU

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

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

Nekton remains, diatoms, and holocene upwelling off Peru

Feeding selectivity of Dover sole (Microstomus pacificus Lockington) off Oregon

An evaluation of efficiency and distributional implications of changes in weed control technology in northeast Brazil

An economic evaluation and benefit-cost analysis of National Fish Hatchery operations using linear programming and consumer's surplus models and concepts

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