Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"historic populations"”.
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Life History and Distribution of the Tennessee Dace (<em>Phoxinus tennesseensis</em>) in Northeast Tennessee.
… investigated from August 1999 to May 2001 on 2 populations in Trinkle Creek and Timbertree Branch, Sullivan County, Tennessee. Samples were taken monthly to provide information on growth, reproductive biology, preferred habitat, and demography. Observations were made during the breeding season …
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Diachonic DNA Analyses of Animal Breeds and Populations
… diachronic analysis within single animal populations or breeds. This is largely due to restricted sample availability and the limited phylogenetic resolution provided by the mitochondrial genome, the most commonly used ancient DNA marker. In this thesis, I demonstrate that fine-scale …
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Lake Sturgeon (Acipenser fulvescens) Population Attributes, Reproductive Structure, and Distribution in Namakan Reservoir, Minnesota and Ontario
… along the Minnesota-Ontario border are home to historic populations of lake sturgeon. Research has been conducted on the neighboring lake sturgeon populations (i.e., Rainy Lake, the lower Seine River in Ontario, and Rainy River/Lake of the Woods). However, little research has been conducted on …
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Host-Pathogen Ecology: Effects of Species Ecology and Environmental Factors on the Intensity and Distribution of Disease Among Illinois Amphibians
… widespread anuran population declines occurred historically and are in some cases ongoing (e.g., Vogt 1981, Oldfield and Moriarty 1995, Brodman and Kilmurry 1998, Casper 1998, Hay 1998, Moriarty 1998, Mossman et al. 1998, Varhegyi et al. 1998, Steiner and Lehtinen 2008, Zippel and Tabaka 2008). …
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Immungenetische Marker im Wandel der Zeit
Die Immungenetische Variabilität des Menschen steht im Zentrum des Forschungsinteresses der medizinischen Grundlagenforschung. Eine Vielzahl an Polymorphismen wurde identifiziert, die einen Einfluß auf das Erkrankungs- und Sterberisiko bei verschiedenen Erkrankungen wie auch auf den Erfolg von …