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  • You are What, When, Where, and How you Eat : Mercury in Avian Food Webs across Multiple Spatial Scales

    Creator:
    Jackson, Allyson K.
    Abstract:
    Human alterations of landscapes take many forms, one of which is anthropogenic pollution. Mercury (Hg) is a complex contaminant because its uptake into the food web is not driven entirely by loading to the system; methylation is necessary to make Hg bioavailable and toxic to fish and wildlife. Because methylation...
    Resource Type:
    Dissertation
    Full Text:
    helped make this dissertation better. I’d like to thank Anita Morzillo for her kindness, compassion and

  • Trophic cascades and large mammals in the Yellowstone ecosystem

    Creator:
    Painter, Luke E.
    Abstract:
    Reintroduction of wolves to Yellowstone National Park (YNP) in 1995-96 provided a rare opportunity to observe the response of an ecosystem to the return of a top predator, including possible reversal of decades of decline of aspen, cottonwood, and tall willows suppressed by intensive herbivory on elk winter ranges. To...
    Resource Type:
    Dissertation
    Full Text:
    support of my committee members, Paul Doescher, Joan Hagar, Anita Morzillo, and Kate Lajtha. Eric

  • The Effects of Road Noise on Pacific Chorus Frog Communication

    Creator:
    Nelson, Danielle V.
    Abstract:
    Amphibians are experiencing global population declines and are one of the most threatened groups of vertebrates. This can be attributed to multiple environmental stressors such as habitat loss, disease, invasive species, and climate change. For vocal amphibian species, loss of acoustic habitat due to anthropogenic noise may be yet another...
    Resource Type:
    Masters Thesis
    Full Text:
    the support of my committee. Thank you to Dr. Anita Morzillo of the University of Connecticut for

  • Reproductive success and foraging ecology of the rusty blackbird on the Copper River Delta, Alaska

    Creator:
    Loomis, David M.
    Abstract:
    The Rusty Blackbird (Euphagus carolinus) has suffered significant population declines across its entire geographic range and the mechanisms associated with this decline are poorly understood. Although much of the Rusty Blackbird breeding habitat in Alaska has remained relatively unaltered by anthropogenic activities, this species continues to decline by an estimated...
    Resource Type:
    Masters Thesis
    Full Text:
    (.) No effects T Linear time trend over entire nesting season βT<0 lnT Pseudo-threshold time

  • Hawaiian duck (Anas wyvilliana) behavior and response to wetland habitat management at Hanalei National Wildlife Refuge on Kaua'i

    Creator:
    Malachowski, Christopher P.
    Abstract:
    The endangered Hawaiian Duck (koloa maoli; Anas wyvilliana), a non-migratory and island-endemic species, experienced a significant population decline during the twentieth century due to factors such as habitat loss, overharvest, introduced mammalian predators, and hybridization with introduced feral Mallards (A. platyrhynchos). A key objective for Hawaiian Duck recovery is to...
    Resource Type:
    Masters Thesis
    Full Text:
    . Anita Morzillo, for their advice and encouragement on my proposal and final thesis, and I thank my

  • Freeway : poems

    Creator:
    Dickey, Eric Wayne
    Abstract:
    This collection of poems focuses on a range of content. They pose many questions that consider issues surrounding driving, cars and independence, as well as masculinity, fatherhood, domesticity and parental identity. The collection consists of three parts, Freeway, Menace, and Control. Freeway contains poems on driving and cars, some of...
    Resource Type:
    Masters Thesis
    Full Text:
    - Krause for humoring me during my maturation. To my one other committee member not yet mentioned, Anita

  • Communities, Collaboration, and Climate Change Adaptation : Case Studies from Coastal Maine and Oregon

    Creator:
    Kelly, Miriah Russo
    Abstract:
    Twenty five years' worth of science indicates that the world can expect a number of climate change impacts. Increasingly, local municipalities, businesses and communities of people are becoming more concerned about what to do, yet they are looking for ways to best work together under these conditions. Communities must adapt...
    Resource Type:
    Dissertation
    Full Text:
    . Anita Morzillo, and Joseph Cone for their continued guidance and patience. Thanks to Dr. Courtland

  • Beliefs and attitudes influence willingness to pay recreation fees at an urban forest : incorporating attitudes in contingent valuation methods

    Creator:
    Moehrke, Caitlin
    Abstract:
    The current thesis presents contingent valuation research incorporating social psychological measures that investigates recreationists' willingness to pay recreation access fees at McDonald-Dunn Forest, Oregon. Context is provided through an extensive literature review of recreation fee management, issues and concerns related to recreation fees, recreationists' attitudes toward fees, relevant social psychological...
    Resource Type:
    Masters Thesis
    Full Text:
    , sampling design, data analysis, and the completion of this document. Dr. Morzillo and Dr. Cramer were

  • Beaver ecology in Bridge Creek, a tributary to the John Day River

    Creator:
    Maenhout, Julie L. (Harper)
    Abstract:
    The American beaver (Castor canadensis) was nearly extirpated by the late 1800's due to the fur trade. Due to reintroduction efforts, it now occupies much of its former range. Beavers are a keystone species and ecosystem engineers, greatly influencing riparian and instream habitats through selective harvesting of plant materials and...
    Resource Type:
    Masters Thesis
    Full Text:
    thank the members of my graduate committee, Anita Morzillo, Tiffany Garcia, and my GCR, Mike