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  • Evidence for multiple historical colonisations of an endoreic drainage basin by an Australian freshwater fish

    Author(s)
    Huey, JA
    Baker, AM
    Hughes, JM
    Griffith University Author(s)
    Hughes, Jane M.
    Huey, Joel A.
    Year published
    2011
    Metadata
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    Abstract
    The contemporary and historical colonization capacity of an Australian freshwater fish, north-west glassfish Ambassis sp., was tested using mtDNA sequence data and six newly developed microsatellite loci in an endoreic basin in central Australia. Overall, Ambassis sp. exhibited weak genetic structure within catchments, suggesting some capacity to recolonize extirpated waterholes after disturbance. Genetic structure revealed that the historical pattern of connectivity among catchments in the Lake Eyre Basin was dramatically different from other species studied in this region. Two highly divergent clades were detected in ...
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    The contemporary and historical colonization capacity of an Australian freshwater fish, north-west glassfish Ambassis sp., was tested using mtDNA sequence data and six newly developed microsatellite loci in an endoreic basin in central Australia. Overall, Ambassis sp. exhibited weak genetic structure within catchments, suggesting some capacity to recolonize extirpated waterholes after disturbance. Genetic structure revealed that the historical pattern of connectivity among catchments in the Lake Eyre Basin was dramatically different from other species studied in this region. Two highly divergent clades were detected in separate catchments in the basin. mtDNA from individuals sampled in catchments north of the Lake Eyre Basin suggest that Ambassis sp. has colonized on two separate occasions from catchments in northern Australia, subsequently generating two highly divergent lineages.
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    Journal Title
    Journal of Fish Biology
    Volume
    79
    Issue
    4
    DOI
    https://doi.org/10.1111/j.1095-8649.2011.03088.x
    Subject
    Population, Ecological and Evolutionary Genetics
    Freshwater Ecology
    Ecology
    Zoology
    Fisheries Sciences
    Publication URI
    http://hdl.handle.net/10072/42504
    Collection
    • Journal articles

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