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  • Context and Scale Mediate the Impact of Climate on a Widespread Avian Predator

    Creator:
    Brawner, Michael D.
    Abstract:
    Anthropogenic climate change is threatening biodiversity as I currently understand it. There is now a large body of work highlighting species responses, globally, to this threat. Importantly, responses at the species level emerge from responses at lower levels of biological organization (individuals and populations) across a species’ geographic range. For...
    Resource Type:
    Dissertation
    Full Text:
    . Abstract approved: ______________________________________________________ Rebecca C. Terry

  • How competitive are iconic competitors? Testing resource partitioning in Great Basin chipmunks

    Creator:
    Ormand, Elora J.
    Abstract:
    Competitive exclusion is a key concept in ecology describing the exclusion of one species by another from access to a limited resource. Competitive interactions between chipmunk species in the Great Basin, documented by James Brown in 1970, are often used as a textbook example of competitive exclusion. Whether competitive interactions...
    Resource Type:
    Honors College Thesis
    Full Text:
    . Abstract approved by: _________________________________________________________ (Rebecca C. Terry

  • Linking Space, Time, and Elevation through Diet: Stable Isotope Analysis of Functionally Diverse Rodents in the Great Basin

    Creator:
    Taylor, David S.
    Abstract:
    Ecology is focused on understanding how organisms interact with each other and their environments, across ecological, spatial, and temporal scales. Thus, understanding how processes and patterns of ecological systems change across space and time is a principle goal for conservation biologist globally. While many approaches exist for investigating the changing...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Rebecca C. Terry Ecology is focused on understanding how organisms interact with each

  • Dogs, Death, and Dietary Breadth: Insights into the Macroecology and Macroevolution of Canidae

    Creator:
    Tanis, Brian P.
    Abstract:
    The size, shape, and stability of a species’ dietary niche can both influence and reflect a variety of biological patterns, including species interactions, extinction risk, and ecosystem function. This is particularly apparent when dietary changes manifest at ecosystem and clade scales to profoundly affect macroecological and macroevolutionary trajectories. However, many...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Rebecca C. Terry The size, shape, and stability of a species’ dietary niche can both

  • Isotopic Analysis of Diet Specificity in the Chisel-toothed Kangaroo Rat, Dipodomys microps

    Creator:
    Guerre, Megan E.
    Abstract:
    Rapid changes in global climate have put many species at risk, particularly niche specialists. The Chisel-toothed kangaroo rat, Dipodomys microps, is thought to specialize on the desert shrub Atriplex confertifolia. Because of this close relationship, D. microps was presumed to have tracked the shrub as its distribution shifted south during...
    Resource Type:
    Honors College Thesis
    Full Text:
    Abstract approved: _________________________________________________ Rebecca C. Terry