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    Integrating multiple evolutionary processes in models of captive breeding

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    Sahrmann_ku_0099M_13343_DATA_1.pdf (554.3Kb)
    Issue Date
    2014-05-31
    Author
    Sahrmann, John Michael
    Publisher
    University of Kansas
    Format
    45 pages
    Type
    Thesis
    Degree Level
    M.A.
    Discipline
    Ecology & Evolutionary Biology
    Rights
    This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.
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    Abstract
    Models of captive breeding tend to come in two varieties: one type examines the potential for different strategies to preserve genetic diversity, while the other considers the impacts of many evolutionary processes but uses a simple mating system. This study presents an individual-based, stochastic simulation model that seeks to combine aspects of drift, mutation, selection, and gene flow with a breeding protocol similar to that used by captive population managers. It also tests a model of genetic adaptation to captivity, in which alleles are selected for in captivity that are deleterious in the wild. Both captive and wild fitness values are calculated. Results show that adaptation occurs rapidly and can lead to significant decline in wild fitness compared to the founding population. The most serious threats to captive fitness are the sensitivity of the species to inbreeding and the relative contribution of lethal and mildly deleterious alleles.
    URI
    http://hdl.handle.net/1808/14590
    Collections
    • Ecology & Evolutionary Biology Dissertations and Theses [349]
    • Theses [3828]

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    785-864-8983

    KU Libraries
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    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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