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Evaluation of an approach for studying the quantitative responses of whole organisms to mixtures of environmental toxicants

Creator:: Muska, Carl Frank
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Carl Frank Muska for the degree of

Effects of dieldrin on the intrinsic rate of increase of the guppy, Poecilia reticulata Peters

Creator:: Roelofs, Terry Dean
Resource Type:: Dissertation
Full Text:: ), the human louse (Evans and Smith, 1952), a pond snail (DeWitt, 1954), Daphnia (Frank, Bail and Kelly

Rearing conditions and their effects on growth, food conversion, and survival of English sole (Parophrys vetulus Girard)

Creator:: Williams, Steven Frank
Abstract:: This study consisted of determining some of the conditions for culture of young English sole (Parophrys vetulus Girard) in the laboratory. Rearing of the larvae to the juvenile stage was attempted unsuccessfully; techniques used and problems encountered during culture are discussed. Growth of juveniles was studied at combinations of temperatures...
Resource Type:: Dissertation
Full Text:: Frank Williams for the degree Doctor of Philosophy (Name) (Degree) in Fisheries and Wildlife presented

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:: , Tia Landon, and Francis Pierce helped with data processing. Peter Perry, Frank Mayo, and Jean Grimm

The Influence of Alternate Life History Strategies and Natal Conditions on the Reproductive Performance of Adélie Penguins Breeding on Ross Island, Antarctica

Creator:: Kappes, Peter J.
Abstract:: A fundamental objective of ecology and population biology is to identify factors that drive population dynamics and determine the population-level consequences of their interaction with the environment. Studies of reproductive performance can illuminate population dynamic processes, including the links between organismal biology, the environment, and life history theory. A central...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Peter

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:: Burt, Dr. Robert Mason, Dr. Frank Moore and Dr. Paul Reno for the time they donated in order to

Linkages among land use, riparian zones, and uptake and transformation of nitrate in stream ecosystems

Creator:: Sobota, Daniel J.
Abstract:: Land use alters the physical and biological structure of stream ecosystems and potentially alters their capacity to process nitrogen (N), an essential nutrient that has nearly doubled in abundance on the biosphere during the past century from human activities. In this dissertation, I quantified uptake and transformation of nitrate (NO₃⁻)...
Resource Type:: Dissertation
Full Text:: Pretext AN ABSTRACT OF THE DISSERTATION OF Daniel J

Exercise and acid-base balance in rainbow trout

Creator:: Meyerhoff, Roger Dean
Resource Type:: Dissertation
Full Text:: BALANCE IN RAINBOW TROUT Abstract approved: La'rn J. Weber Acid-base balance in ammoniotelic fish can

Elevated temperature and the production of juvenile Chinook salmon (Oncorhynchus tshawytscha) in a model stream

Creator:: Bisson, Peter Andre
Abstract:: Temperature was elevated approximately 4° C in a model stream relative to an unheated, but otherwise similar control stream. The streams were located outdoors, received identical amounts of exchange water from a nearby creek, and followed natural diurnal and seasonal temperature cycles Juvenile spring chinook salmon (Oncorhynchus tshawytscha) were introduced...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF PETER ANDRE BISSON for the degree

Interrenal and metabolic responses to stress and their modifying factors in juvenile salmonid fishes

Creator:: Barton, Bruce Alexander
Abstract:: Genetic, ontogenetic, and environmental factors modified characteristic interrenal and glycemic responses to stress in juvenile salmonid fishes. During continuous confinement stress, plasma cortisol rose more quickly in chinook salmon, Oncorhynchus tshawytscha, acclimated to high rather than medium or low temperatures; hyperglycemia following either acute or chronic stress was also highest...
Resource Type:: Dissertation
Full Text:: 2 h at 2.6 b.l./s 70 326 15 miii at 5 b.l./s Barton and Peter 1982 Ca. 3 ca. 65 0.5 h 8 h transport

ScholarsArchive@OSU

Evaluation of an approach for studying the quantitative responses of whole organisms to mixtures of environmental toxicants

Effects of dieldrin on the intrinsic rate of increase of the guppy, Poecilia reticulata Peters

Rearing conditions and their effects on growth, food conversion, and survival of English sole (Parophrys vetulus Girard)

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

The Influence of Alternate Life History Strategies and Natal Conditions on the Reproductive Performance of Adélie Penguins Breeding on Ross Island, Antarctica

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

Linkages among land use, riparian zones, and uptake and transformation of nitrate in stream ecosystems

Exercise and acid-base balance in rainbow trout

Elevated temperature and the production of juvenile Chinook salmon (Oncorhynchus tshawytscha) in a model stream

Interrenal and metabolic responses to stress and their modifying factors in juvenile salmonid fishes

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