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  • Human health significance of vibrios from the aquatic environment

    Creator:
    Nishibuchi, Mitsuaki
    Abstract:
    For the enrichment and enumeration of Vibrio fluvialis, a broth medium was designed by modifying alkaline peptone (AP) medium. This new V. fluvialis enrichment medium (FEM) was shown to be more effective than AP medium in field samplings where a total of 177 samples (estuarine waters and sediment, sewage, and...
    Resource Type:
    Dissertation
    Full Text:
    Human Health Significance of Vibrios from the Aquatic

  • The effect of indoor aquatic activities on health patterns of the college student

    Creator:
    Schultz, Ronald C.
    Abstract:
    The major purpose of this study was to investigate the effects of indoor aquatic activities on the health patterns of the college student. Three groups of students were used in the investigation: the experimental group, comprised of students enrolled in aquatic activities, and two control groups, the first comprised of...
    Resource Type:
    Dissertation
    Full Text:
    Aquatic Activities on Health Patterns of the College Student / Abstract approved: Purpose Redacted for

  • Animal Farming, Pollution, and Community Health

    Creator:
    Weinerman, Michael A.
    Abstract:
    Health effects stemming from animal feeding operations pollution in the contiguous United States are analyzed using a 20-year, county-level data set. Several quasi-experimental, potential outcome models are used to estimate the impact of high concentrations of animal units on mortality rates and other health and economic outcomes over a 20-year...
    Resource Type:
    Dissertation
    Full Text:
    . Understanding the total scale and scope of the health impacts from animal farming depends on aggregating

  • Chemical control of Elodea densa Planch. and other submersed aquatic plants as influenced by several environmental factors

    Creator:
    Mackenzie, John William, 1939-
    Abstract:
    Elodea densa Planch. was exposed to diquat (6, 7 dihydrodipyrido [1,2-a: 2', 1'-c] pyrazinediium dibromide), alone and in combination with disodium endothall (disodium salt of 7-oxabicyclo [2.2.1] heptane-2, 3-dicarboxyclic acid), and copper sulfate pentahydrate. Studies were conducted in coastal lakes of Oregon infested with E. densa. Dichlobenil (2, 6 dichlorobenzonitrile)...
    Resource Type:
    Dissertation
    Full Text:
    integrity of plant and animal communities. The role of vascular plants in aquatic ecosystems has previously

  • Aquatic insect adaptations to different flow regimes

    Creator:
    Yamamuro, Asako Melody
    Abstract:
    My thesis explored the effects of environmental variability on population dynamics and community composition of aquatic insects. Environmental variability in the form of flow regime in streams can limit the distribution and life-history traits of aquatic insects. I used tributaries to the McKenzie River in Oregon with dramatically different flow...
    Resource Type:
    Dissertation
    Full Text:
    and community composition of aquatic insects. Environmental variability in the form of flow regime

  • Effect of kraft mill effluent on structure and function of periphyton communities

    Creator:
    Williams, Harvey Dean
    Abstract:
    Raw and biologically stabilized Kraft mill effluents were introduced into laboratory artificial streams at a ratio of 15 ml per liter of water over a two year period. Effluent from the stabilization pond of a second mill was introduced at concentrations of from 5 to 40 ml per liter of...
    Resource Type:
    Dissertation
    Full Text:
    process pulp mills is harmful to fish and other aquatic life has been supported by a number of toxicity

  • Proximate Factors Influencing Cat Behavior, Cognition, and The Human-Cat Bond

    Creator:
    Vitale, Kristyn R.
    Abstract:
    The domestic cat is one of the world’s most popular companion animals. However, to date much remains to be learned about cat behavior and the cat-human relationship. To examine the influence of proximate factors on cat behavior and the human-cat bond, three studies were undertaken. Study 1 directly measured the...
    Resource Type:
    Dissertation
    Full Text:
    DISSERTATION OF Kristyn R. Vitale for the degree of Doctor of Philosophy in Animal Science presented on June

  • A biomechanical and physiological comparison of deep-water running styles

    Creator:
    Killgore, Garry L.
    Abstract:
    Purpose: The purpose of this investigation was to identify a deep-water running (DWR) style that most closely approximates terrestrial running. Methods: Twenty healthy male and female intercollegiate (NCAA III) distance runners were videotaped from the right sagittal view while running on a treadmill (TR) and in deep water at 55-60%...
    Resource Type:
    Dissertation
    Full Text:
    Americans participate in running as a form of general exercise for fitness and health (23). It has also

  • Interactions amongst Local and Global Drivers of Coastal Acidification in Estuarine Habitats of the Northern California Current

    Creator:
    Pacella, Stephen R.
    Abstract:
    The variability of coastal carbonate chemistry continues to provide significant hurdles for understanding interactions between anthropogenic and natural CO2 cycling and resultant effects on coastal acidification dynamics. Attribution of the anthropogenic component is vital for identifying the impacts of increasing atmospheric carbon on coastal habitats such as coral reefs, upwelling...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Stephen R

  • Xenobiotic biotransformation in aquatic organisms

    Creator:
    Schlenk, Daniel K.
    Abstract:
    Aquatic animals are exposed to a variety of natural and anthropogenic xenobiotics. Biotransformation of xenobiotics was examined in three aquatic animals: a primitive mollusc (chiton); a shellfish which is an important human food source (oyster); and, a lower vertebrate model for toxicological studies (rainbow trout). Since digestive glands of Cryntochiton...
    Resource Type:
    Dissertation
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    Abstract approved: Donald R. Buhler Aquatic animals are exposed to a variety of natural and