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  • Edge-Disjoint Hamiltonian Cycles in De Bruijn Graphs

    Creator:
    Lytle, Megan E.
    Abstract:
    The purpose of this thesis is to examine the number of edge-disjoint Hamiltonian cycles in de Bruijn graphs using ideas from finite field theory, particularly linear recurring sequences. It is known that the de Bruijn graph B(d,n) admits d-1 disjoint Hamiltonian cycles when d is a power of 2, and...
    Resource Type:
    Honors College Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Megan E. Lytle for the degree

  • Communities in Flux: The Influence of Hydroperiod on Aquatic Invertebrate Communities in Temporary Ponds

    Creator:
    Kruse, Christi A.
    Abstract:
    A central theme of ecology is determining factors that influence species distributions. Within aquatic ecology, species present in flowing waters are primarily influenced by the natural flow patterns of the stream (natural flow regime paradigm) while explanations of species present in standing waters are further divided by habitat type. To...
    Resource Type:
    Masters Thesis
    Full Text:
    Abstract approved: ______________________________________________________ Professor David A. Lytle

  • Explorations Into Who is Doing Freshwater Science and How We are Altering Waterscapes

    Creator:
    Abernethy, Erin F.
    Abstract:
    The United States of America and the world are faced with three massive intertwining challenges at this time: COVID-19, racial inequity, and climate change. As a species, humans must come together and collectively address these challenges to preserve our humanity and make our world a more just and livable place...
    Resource Type:
    Dissertation
    Full Text:
    Waterscapes Abstract approved: _____________________________________________________ David A. Lytle

  • From Hydrology to Biology: How Abiotic Factors Structure Invertebrate Communities in a Free-Flowing River Network

    Creator:
    Hockett, Justin
    Abstract:
    Chapter 2: Aquatic macroinvertebrate communities have been shown to exhibit strong differences between erosional (riffle and run) and depositional (pool) macrohabitats of streams. A subset of these communities are aquatic insect taxa that are an important food source for riparian consumers like birds, bats, lizards, and spiders. Understanding the role...
    Resource Type:
    Masters Thesis
    Full Text:
    Lytle Chapter 2: Aquatic macroinvertebrate communities have been shown to exhibit strong

  • The evolutionary stability of partial migration

    Creator:
    Ohms, Haley A.
    Abstract:
    Natural selection, in its most basic form, is described as a process in which traitsincrease or decrease in frequency depending on their fitness, and only the trait withthe highest fitness will remain in the population. Yet, populations rarely have asingle `optimal' trait. The way natural selection maintains this observed variationwithin...
    Resource Type:
    Dissertation
    Full Text:
    Evolutionary Stability of Partial Migration Abstract approved: David A. Lytle Natural selection, in its most

  • Temporal Variation in the Prey Resource Portfolio of Juvenile Salmonids During Freshwater Rearing

    Creator:
    Brady, Megan E.
    Abstract:
    Freshwater rearing is a critical period in the life cycle of anadromous salmonids, known to produce carry-over effects mediating long-term growth and survival. Freshwater growth is primarily determined by food availability and temperature. While many species of salmon rear in freshwater for a full year or longer, most trophic ecology...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Megan E. Brady for the

  • Relations between Physical Fitness and School-Day Physical Activity Behavior in Children with Autism Spectrum Disorder

    Creator:
    Tyler, Kiley J.
    Abstract:
    Background. Autism spectrum disorder (ASD) is characterized by impairments in social-communicative deficits and restricted and repetitive behaviors, interests, or activities (APA, 2013). While current estimates suggest 1 in 68 children are diagnosed with ASD, more alarming statistics indicate 1 in 50 school-aged children live with the disorder (Blumberg, Bramlett, Kogan,...
    Resource Type:
    Dissertation
    Full Text:
    Spectrum Disorder. Abstract approved: Megan MacDonald, PhD Background. Autism

  • Ecological responses to riverine floods and flow alteration

    Creator:
    McMullen, Laura E.
    Abstract:
    Floods are major disturbance events for riverine ecosystems, directly and indirectly impacting organisms and their habitat. In this study I investigated the role of riverine floods and flow alteration in regulating aquatic macroinvertebrate population and community structure. I examined this problem using a variety of methods: a meta-analytic review of...
    Resource Type:
    Dissertation
    Full Text:
    E. McMullen for the degree of Doctor of Philosophy in presented on Zoology July 11, 2011

  • 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:
    : David A. Lytle My thesis explored the effects of environmental variability on population dynamics

  • Cartographies of Haunting : Black Feminist Refusal in Toni Morrison’s A Mercy and Octavia Butler’s Kindred

    Creator:
    Spencer, Megan
    Abstract:
    This thesis explores the gendered histories of slavery through the concept of haunting in two neo-slave narrative novels: Toni Morrison’s A Mercy and Octavia Butler’s Kindred. I offer readings of these texts through slavery’s geographic and temporal implications, in order to argue that the logics of antiblackness remain a fundamental...
    Resource Type:
    Masters Thesis
    Full Text:
    ABSTRACT OF THE THESIS OF Megan Spencer for the degree of Master of Arts in Women, Gender, & Sexuality