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  • Photoacclimation in Marine Phytoplankton Under Various Light and Nutrient Regimes and the Resulting Effect on Photosynthetic Electron Flow and Chlorophyll Fluorescence Transients

    Creator:
    Brown, Matthew B.
    Abstract:
    Photoacclimation is the process by which plants and phytoplankton adjust the concentration and composition of their photosynthetic machinery (i.e. their photoacclimation state) in response to changes in their light or nutrient environment. The purpose of photoacclimation is to balance the rate at which light energy is absorbed with the energetic...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Matthew Brown for the

  • Federal soil conservation policy of the United States : priorities, values, and opportunities

    Creator:
    Pape, Timothy
    Abstract:
    The objective of this dissertation is to examine federally administered soil conservation policy within the United States and the broadly defined Columbia River Basin in the US Northwest. I accomplish this in five chapters. In the first chapter I provide background information for the study. In the second chapter I...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: ______________________________________________________ Allen Thompson The

  • A Practical, Ethical Critique of Hydraulic Fracturing and the Shale Gas Extraction Process

    Creator:
    Bullock, Claude George, III
    Abstract:
    This thesis analyzes the emerging technology of hydraulic fracturing and shale gas extraction process through a pluralistic philosophical approach. Rather than defending traditional values in nature, such as intrinsic value, I defend a metaphilosophical pragmatism centered on policy implications. I argue that different philosophical positions will, most of the time,...
    Resource Type:
    Masters Thesis
    Full Text:
    . Ethical Critique of Hydraulic Fracturine and the Shale Gas Extraction Process. Abstract approved Allen

  • Understanding Oppression

    Creator:
    Clark, Dean Allen
    Abstract:
    Institutionalized oppression is a large multifaceted system that is regularly unrecognized and misunderstood. Marilyn Frye’s birdcage analogy of oppression (1983) demonstrates why this complex system is often invisible, yet always immobilizing. In this analogy, Frye relates the various manifestations of oppressions to the wires of a birdcage, demonstrating that it...
    Resource Type:
    Honors College Thesis
    Full Text:
    Dean Allen Clark A PROJECT submitted to Oregon State University University Honors College in

  • Meander scars : reflections on healing a river

    Creator:
    Metzger, Abby P.
    Abstract:
    As Europeans settled the Willamette Valley in the 1800s, they began to simplify Oregon's largest river contained wholly within state boarders—the Willamette. The river lost miles of channels from dikes, dams, and development. Some channels vanished under concrete. Others became meander scars, or shallow, dry depression in the land where...
    Resource Type:
    Masters Thesis
    Full Text:
    : _____________________________________________________________________ Kathleen Dean Moore As Europeans settled the Willamette Valley in the 1800s, they began to

  • Eaffective Ecopoetics as a Practice for Feeling a World in Crisis

    Creator:
    Platt, Benjamin D.
    Abstract:
    Discussions of ecopoetics often seek to investigate how poetics as a form can be rendered more ecological, often in contrast to nature poetry. These conversations tend to concentrate on this generic contrast and the formal qualities of an ecological poetics. Ecopoetics as a field emerged largely as a response to...
    Resource Type:
    Masters Thesis
    Full Text:
    Writing, Literature, and Film Dean of the Graduate School I

  • Response of the cyanobacterium Aphanizomenon flos-aquae to vascular plant decomposition products

    Creator:
    Haggard, Kale G.
    Abstract:
    Upper Klamath Lake in south central Oregon annually experiences intense blooms of cyanobacteria, primarily Aphanizomenon flos-aquae. Domination of the lake phytoplankton community by this single species regularly results in drastic changes to water quality. Photosynthetic activity of such extensive populations can result in pH over 10. Blooms typically expire in...
    Resource Type:
    Masters Thesis
    Full Text:
    Decomposition Products Abstract approved: Patrick M. Hayes Allen J. Milligan

  • Knowing Concepts in the Social and Material Context of Engineering Practice

    Creator:
    Bornasal, Floraliza
    Abstract:
    It is expected that information taught in the context of school will ultimately transfer to workplace settings. To support this transition, educators and researchers advocate for organizing foundational ideas, or concepts, in specific domains of knowing. In the domain of transportation engineering, knowing of concepts, which include "big ideas" such...
    Resource Type:
    Dissertation
    Full Text:
    . Abstract approved: Shane A. Brown It is expected that information taught in the context of school will

  • Towards meaningful intercultural interactions: a case study of service-learning in a business writing classroom

    Creator:
    Sprague, Allen
    Abstract:
    The following thesis presents a case study analyzing a service-learning project implemented in a second-year level Writing in Business course at Oregon State University. The classroom project required business writing students to serve as cultural ambassadors and conversation partners with international students through INTO OSU's Cultural Ambassador Conversant Program. Relying...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Allen Sprague for the degree of Master of Arts in English presented

  • Mitigating cyanobacterial harmful algae blooms : the role of plant humics

    Creator:
    Theis, Susan A. F.
    Abstract:
    Cyanobacterial harmful algae blooms (cyanoHABs) are a growing concern worldwide due to damage of ecosystems and threats to human health. Previous research indicates that plant humics from aquatic and wetland vascular plants are effective inhibitors of cyanobacterial metabolism and growth and may be useful as control agents for mitigating cyanoHABs....
    Resource Type:
    Masters Thesis
    Full Text:
    : ____________________________________________ Allen J Milligan Abstract: Cyanobacterial harmful algae blooms (cyanoHABs) are a