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  • Small-scale patterns of genetic variation in the mayfly Bungona narilla (Ephemeroptera: Baetidae) in rainforest streams, south-east Queensland

    Author(s)
    Hughes, JM
    Hillyer, M
    Bunn, SE
    Griffith University Author(s)
    Hughes, Jane M.
    Bunn, Stuart E.
    Hillyer, Mia
    Year published
    2003
    Metadata
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    Abstract
    1. Genetic structure of the mayfly Bungona narilla was examined using allozymes and a section of the cytochrome oxidase I gene. 2. The study had two major aims. The first was to determine whether patterns of genetic variation in mitochondrial DNA were similar to those found previously for allozymes, i.e. that more variation was evident among pools within a single stream than among streams. The mitochondrial DNA results were similar to those reported previously for allozymes, supporting the idea that larvae within any particular pool were unrepresentative of the total population and may result from a few matings. 3. The ...
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    1. Genetic structure of the mayfly Bungona narilla was examined using allozymes and a section of the cytochrome oxidase I gene. 2. The study had two major aims. The first was to determine whether patterns of genetic variation in mitochondrial DNA were similar to those found previously for allozymes, i.e. that more variation was evident among pools within a single stream than among streams. The mitochondrial DNA results were similar to those reported previously for allozymes, supporting the idea that larvae within any particular pool were unrepresentative of the total population and may result from a few matings. 3. The second aim was to test the hypothesis that the variation among pools within a stream was greater after dry periods than after wet periods. This was because after wet periods, larvae would have greater opportunity for mixing because of movement among pools. This hypothesis was partly supported by the mitochondrial DNA data but not by the allozyme data, in which variation among pools was extremely low on both sampling occasions. The reasons for this difference are unclear.
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    Journal Title
    Freshwater Biology
    Volume
    48
    Publisher URI
    https://onlinelibrary.wiley.com/doi/10.1046/j.1365-2427.2003.01044.x
    DOI
    https://doi.org/10.1046/j.1365-2427.2003.01044.x
    Subject
    Environmental sciences
    Biological sciences
    Publication URI
    http://hdl.handle.net/10072/6036
    Collection
    • Journal articles

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