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  • Environmental influences on host-pathogen dynamics of the amphibian chytrid fungus

    Creator:
    Buck, Julia C.
    Abstract:
    The causes of the global biodiversity crisis are varied and complex. Anthropogenic threats may act in isolation, or interact additively or synergistically with each other or with natural stressors to affect sensitive taxa. The recent emergence of many infectious diseases in wildlife has brought attention to the role of disease...
    Resource Type:
    Dissertation
    Full Text:
    questions pertaining to environmental influences on disease dynamics of Bd. As described in chapter 1

  • The Effects of Nitrate and a Pathogenic Fungus, Batrachochytrium dendrobatidis, on Amphibians

    Creator:
    Negru, Delia
    Abstract:
    The current rate of global biodiversity loss and extinctions is unparalleled and a major concern. Freshwater organisms are facing particularly rapid rates of biodiversity loss. Amphibians, which require an aquatic environment for part of their life cycle, are one of the most vulnerable vertebrate groups. Amphibians are experiencing population declines,...
    Resource Type:
    Masters Thesis
    Full Text:
    population declines. Using the larvae of two amphibian host species, the Pacific treefrog (Pseudacris

  • 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:
    acoustic habitat due to anthropogenic noise may be yet another environmental stressor. The Pacific chorus

  • Effects of pesticides on amphibians with special reference to the pyrethroidinsecticide, cypermethrin

    Creator:
    Biga, Lindsay M.
    Abstract:
    Pollution by pesticides is a ubiquitous concern for wildlife. The effects of pesticides are especially concerning in aquatic environments, which are particularly vulnerable as they have several exposure routes for the influx of chemicals. These effects are of particular concern as biodiversity loss reaches unprecedented rates. This includes recent declines...
    Resource Type:
    Dissertation
    Full Text:
    Pacific treefrog (Pseudacris regilla) was the most sensitive species and the early larval stage was the