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    Connectivity in a Red Sea Sponge across an Environmental Gradient

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    Emily Giles Thesis.pdf
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    Emily Giles Thesis
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    Type
    Thesis
    Authors
    Giles, Emily C.
    Advisors
    Berumen, Michael L. cc
    Committee members
    Voolstra, Christian R. cc
    Jones, Burton cc
    Program
    Marine Science
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Date
    2014-08
    Permanent link to this record
    http://hdl.handle.net/10754/324604
    
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    Abstract
    While geographic distance is a variable often used to explain population genetic differentiation, dynamic processes leading to stochastic population structure are more likely driving factors. The following thesis presents the population structure of a common reef sponge, Stylissa carteri, and yields hypotheses on the influence of environmental heterogeneity as a predictor of the observed population structure. This project represents the largest population genetics study thus conducted in the Red Sea and also includes the first population genetics data gathered for sites off the coast of Sudan and Soccotra. The study herein presented includes both a large scale (36 reef sites covering over 1000km of coastline) and small-scale (16 transects of 50m each) analysis of gene flow in a benthic dwelling organism. The variable effect of geography and environmental conditions on S. carteri population structure is assessed using a seascape genetics approach. Environmental factors from a nine-year dataset accessed from the NASA Giovanni website including chlorophyll a, sea surface temperature, dissolved and particulate organic matter for both the annual and winter temporal scale were considered.
    Citation
    Giles, E. C. (2014). Connectivity in a Red Sea Sponge across an Environmental Gradient. KAUST Research Repository. https://doi.org/10.25781/KAUST-PC8J9
    DOI
    10.25781/KAUST-PC8J9
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-PC8J9
    Scopus Count
    Collections
    Biological and Environmental Sciences and Engineering (BESE) Division; Marine Science Program; Theses

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