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Growth and food consumption of juvenile coho salmon exposed to natural and elevated fluctuating temperatures

Creator:: Everson, Larry B.
Abstract:: The growth and food consumption of juvenile coho salmon [Oncorhynchus kisutch (Walbaum)] exposed to natural and elevated fluctuating temperatures were studied in the laboratory with wild fish collected from a salmonid rearing stream. Control temperatures were similar to the temperature regime of a natural stream and the elevated temperatures were...
Resource Type:: Masters Thesis
Full Text:: Fluctuating Temperatures by Larry Bruce Everson A THESIS submitted to Oregon State University in partial

Ecology of breeding mallards : nest parasitism; brood survival; and habitat utilization

Creator:: Talent, Larry Gene
Abstract:: In 1976 and 1977 I examined three broad problems associated with the recruitment of young mallards, Anas platyrhynchos, in the Prairie Pothole Region of North Dakota. The three problems studied were: the effects of interspecific nest parasitism on production; the chronology and magnitude of total-brood loss during the brood-rearing period;...
Resource Type:: Dissertation
Full Text:: Survival; and, Habitat Utilization. AN ABSTRACT OF THE THESIS OF Larry Gene Talent for the degree of

Natural history and ecology of larval Lost River suckers and larval shortnose suckers in the Williamson River-Upper Klamath Lake System

Creator:: Cooperman, Michael S.
Abstract:: We monitored larval Lost River and shortnose suckers from natal beds in the Williamson and Sprague rivers to nursery grounds in Upper Klamath Lake. Downstream movements occurred at night, in the middle of the channel, and on the falling limb of the hydrograph. Ages, sizes, and developmental stages of larvae...
Resource Type:: Dissertation

Life history examination of darkblotched rockfish (Sebastes crameri) off the Oregon coast

Creator:: Nichol, Daniel Gerard
Abstract:: The growth, size and age composition, mortality and reproduction of darkblotched rockfish (Sebastes crameri) were examined using fishery data and analysis of fish characteristics for samples collected of f the Oregon coast. A total of 1060 fish, caught by commercial groundfish and shrimp trawlers operating out of Newport, Coos Bay...
Resource Type:: Masters Thesis

Early development of the endocrine system in salmonids : regulation of sex differentiation and ontogeny of the stress response

Creator:: Floyd, Donald J.
Abstract:: Sex steroids, follicle stimulating hormone (FSH), luteinizing hormone (LH) and gonadotropin releasing hormone (GnRH) were measured in monosex and mixed sex populations of rainbow trout during early development. Steroids declined following fertilization, increased at hatch, then fell and remained constant thereafter. Trends toward differences in steroids between males and females...
Resource Type:: Dissertation
Full Text:: Aquaculture Consortium. I would like to extend my appreciation to the members of my committee, Dr. Larry

An assessment of a closed greenhouse aquaculture and hydroponic system

Creator:: Head, William, 1946-
Resource Type:: Dissertation
Full Text:: sincere thanks go to my committee members, Dr. Jim Lannan, Dr. Carl Bond, Dr. Larry Small, Dr. Court

Benthic biological invasions in two temperate estuaries and their effects on trophic relations of native fish and community stability

Creator:: Castillo, Gonzalo C.
Abstract:: The extent of biological invasions, their role on the feeding of native fishes and their impact on community stability were investigated in Alsea Bay and Yaquina Bay, two estuaries on the central Oregon coast, USA. Most nonindigenous species (NIS) introduced in these intermediately invaded estuaries are considered byproducts of culturing...
Resource Type:: Dissertation
Full Text:: . Loren Koller and Dr. Larry Curtis for their participation and comments on manuscripts. The taxonomic

Distribution and movements of Chinook salmon, Oncorhynchus tshawytscha, returning to the Yukon River basin

Creator:: Eiler, John H.
Abstract:: Chinook salmon, Oncorhynchus tshawytscha, returning to the Yukon River basin and other large river systems in western Alaska have declined dramatically since the late 1990s. This continuing trend has raised concerns over the future status of the returns, and severely impacted commercial and subsistence fisheries within the drainage. Management is...
Resource Type:: Dissertation
Full Text:: provided by Larry Kuechle, Nancy Christensen, Andy Mayer and Richard Reichle. Finally, this study would

Age and growth of young-of-the-year Lost River suckers Deltistes luxatus and shortnose suckers Chasmistes brevirostris of Upper Klamath Lake, Oregon

Creator:: Logan, Daniel Joseph
Abstract:: Upper Klamath Lake in southern Oregon has two species of lacustrine suckers, Lost River sucker Deltistes luxatus and shortnose sucker Chasmistes brevirostris that were historically abundant. Results of surveys performed in the mid-1980's indicated that populations of both species were declining and ageing with apparent recruitment failure in most years...
Resource Type:: Masters Thesis
Full Text:: abundant. Results of surveys performed in the mid-1980's indicated that populations of both species were

Greater sage-grouse reproductive ecology : linkages among habitat resources, maternal nutrition, and chick survival

Creator:: Gregg, Michael A.
Abstract:: Greater sage-grouse (Centrocercus urophasianus) populations declined range wide during the past 50 years. Grouse populations were 2-3 times larger than the current population as recently as the early 1970's. In addition to habitat loss and fragmentation, declines were attributed habitat degradation that caused reduced productivity. Because chick survival remains the...
Resource Type:: Dissertation
Full Text:: early 1970's. In addition to habitat loss and fragmentation, declines were attributed habitat

ScholarsArchive@OSU

Growth and food consumption of juvenile coho salmon exposed to natural and elevated fluctuating temperatures

Ecology of breeding mallards : nest parasitism; brood survival; and habitat utilization

Natural history and ecology of larval Lost River suckers and larval shortnose suckers in the Williamson River-Upper Klamath Lake System

Life history examination of darkblotched rockfish (Sebastes crameri) off the Oregon coast

Early development of the endocrine system in salmonids : regulation of sex differentiation and ontogeny of the stress response

An assessment of a closed greenhouse aquaculture and hydroponic system

Benthic biological invasions in two temperate estuaries and their effects on trophic relations of native fish and community stability

Distribution and movements of Chinook salmon, Oncorhynchus tshawytscha, returning to the Yukon River basin

Age and growth of young-of-the-year Lost River suckers Deltistes luxatus and shortnose suckers Chasmistes brevirostris of Upper Klamath Lake, Oregon

Greater sage-grouse reproductive ecology : linkages among habitat resources, maternal nutrition, and chick survival

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