Index Catalog // ScholarsArchive@OSU

Effects of o,p'-DDE on the immune system of juvenile chinook salmon (Oncorhynchus tshawytscha)

Creator:: Milston, Ruth Helen
Abstract:: Environmental factors such as chemical contamination can have immunomodulatory effects on the immune response of fish and may be contributing to the decline in salmonid populations by augmenting disease susceptibility. Xenobiotics can interfere with the immune system at several levels of complexity, and different immune cells and processes have variable...
Resource Type:: Masters Thesis
Full Text:: IMMUNOCOMPETENCE IN JUVENILE CHINOOK SALMON (ONCORHYNCHUS TSHAWYTSCHA) USING FLOW CYTOMETRY. Ruth H. Milston

Myxosporidans of rainbow and cutthroat trout broodstocks from Oregon hatcheries

Creator:: Sweet, Diane Ruth
Abstract:: Oregon Department of Fish and Wildlife trout broodstocks from Alsea, Cole Rivers, Klamath, Leaburg, Oak Springs, Roaring River and Willamette Fish Hatcheries were examined for the presence of myxosporidans. Wild fish collected from waters above these hatcheries were also examined. Seven species of myxosporidans were observed in the hatchery broodfish:...
Resource Type:: Masters Thesis
Full Text:: from Oregon hatcheries AN ABSTRACT OF THE THESIS OF Diane Ruth Sweet for the degree of Master of

Natal source contributions of Pacific cod (Gadus macrocephalus) recruits in the southeastern Bering Sea

Creator:: DiMaria, Ruth A.
Abstract:: Effective and sustainable fisheries management not only depends on identifying and defining stocks (fundamental unit of management), but also on having knowledge of factors influencing the abundance, distribution and connectivity of stocks. Population structure of Pacific cod (Gadus macrocephalus) in the southeastern Bering Sea (EBS) remains unresolved although genetic data...
Resource Type:: Masters Thesis
Full Text:: Ruth A. DiMaria for the degree of Master of Science in Fisheries Science presented on July 14, 2011

An Evaluation of Collaborative Salmon Fishery Management in Prince William Sound, Alaska

Creator:: Sheridan, Thomas M.
Abstract:: Collaborative decision-making is often promoted as a means to achieve socially acceptable and enduring solutions to natural resource management issues, and one that holds promise for resolving “wicked” problems. However, success rates for implementation of collaborative recommendations are unknown. This paper explores challenges to collaborative salmon fishery management in Prince...
Resource Type:: Capstone Project
Full Text:: Major Professor Robert T. Lackey Collaborative decision-making is often promoted as a means to achieve

Seasonal movement patterns and habitat use of westslope cutthroat trout in two headwater tributary streams of the John Day River

Creator:: Starcevich, Steven J.
Abstract:: Radiotelemetry was used to study the seasonal movements and habitat use of adult westslope cutthroat trout Oncorhynchus clarki lewisi in Roberts Creek and Rail Creek, headwater tributaries of the John Day River, Oregon, from September 2000 to December 2001. The objectives were to (1) describe adult cutthroat trout life history...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________ Robert E. Gresswell Radiotelemetry was used to study the seasonal movements and habitat use

Nesting habitat and ecology of Aleutian terns on the Copper River Delta, Alaska

Creator:: Holtan, Lars H.
Resource Type:: Masters Thesis
Full Text:: ON THE COPPER RIVER DELTA, ALASKA by Lars H. Holtan Submitted to Oregon State University in

Juvenile survival and birth-site selection of Rocky Mountain elk in northeastern Oregon

Creator:: Rearden, Spencer N.
Abstract:: With declining populations and low calf recruitment in northeastern Oregon, much interest has been generated to study the survival rates and causes of mortality of Rocky Mountain elk (Cervus elaphus nelsoni). I investigated the causes of elk calf mortality and the effects of predation risk on birth-site selection by cow...
Resource Type:: Masters Thesis
Full Text:: redacted for privacy. , Robert G. Anthony With declining populations and low calf recruitment in

The effects of rotational grazing and prescribed burning on bobwhite populations in south Texas

Creator:: Wilson, Marcia H.
Abstract:: Short-term effects of 3 grazing systems and prescribed burning on bobwhite (Colinus virginianus) populations were investigated on the Welder Wildlife Refuge near Corpus Christi, Texas, during spring (April through June) and fall (September through October) of 1976 and 1977. Two rotational systems, high intensity-low frequency (HILF) and four-pasture, deferred-rotation (4PDR),...
Resource Type:: Masters Thesis
Full Text:: and inspiration. I thank the members of my committee, Dr. William C. Krueger and Dr. Robert L. Jarvis

Influence of marine environment on age and size at maturity, growth, and abundance of chum salmon, Ohcorhynchus keta (Walbaum), from Olsen Creek, Prince William Sound, Alaska

Creator:: Helle, John H.
Abstract:: Effects of the marine environment on age and size at maturity, early marine growth, and abundance of chum salmon, Oncorhynchus keta, were studied at Olsen Creek during 1959-77. Chum salmon returned to Olsen Creek as predominately 3-, 4-, and 5-year fish; however, age composition varied from year to year. The...
Resource Type:: Dissertation
Full Text:: thesis is presented June 26, 1979 Typed by Maria Kraft for John H. Helle Redacted for Privacy Redacted

Growth and development of temperate and tropical passerines of the New World : a life history perspective

Creator:: Austin-Bythell, Suzanne H.
Abstract:: I studied developmental rates in a suite of temperate and tropical passerine bird species from the New World to test the hypothesis that tropical passerines exhibit slower patterns of growth and development than temperate birds. I also investigated how the expression of several developmental rates varied with life history traits...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Suzanne H. Austin-Bythell for the degree of Master of Science

ScholarsArchive@OSU

Effects of o,p'-DDE on the immune system of juvenile chinook salmon (Oncorhynchus tshawytscha)

Myxosporidans of rainbow and cutthroat trout broodstocks from Oregon hatcheries

Natal source contributions of Pacific cod (Gadus macrocephalus) recruits in the southeastern Bering Sea

An Evaluation of Collaborative Salmon Fishery Management in Prince William Sound, Alaska

Seasonal movement patterns and habitat use of westslope cutthroat trout in two headwater tributary streams of the John Day River

Nesting habitat and ecology of Aleutian terns on the Copper River Delta, Alaska

Juvenile survival and birth-site selection of Rocky Mountain elk in northeastern Oregon

The effects of rotational grazing and prescribed burning on bobwhite populations in south Texas

Influence of marine environment on age and size at maturity, growth, and abundance of chum salmon, Ohcorhynchus keta (Walbaum), from Olsen Creek, Prince William Sound, Alaska

Growth and development of temperate and tropical passerines of the New World : a life history perspective

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