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    The invasive round goby Neogobius melanostomus and tubenose goby Proterorhinus semilunaris: two introduction routes into Belgium

    Authors
    Mombaerts, M.
    Volckaert, F.
    Verreycken, H.
    Huyse, T.
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    Discipline
    Biological sciences
    Subject
    Invertebrates
    Audience
    Scientific
    Date
    2014
    Metadata
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    Description
    The invasion of Ponto-Caspian taxa in Western Europe has increased steadily since the connection of the Danube basin with the R hine basin in 1992, in combination with transfers through interbasin shipping. In 2010, the tubenose goby ( Proterorhinus semilunaris ) and round goby ( Neogobius melanostomus ) were observed in Belgium for the first time. To gain insight in the introduction pa thways in Belgium and to identify potential source populations, a phyl ogeographical and parasitological study was initiated on both species. The mitocho ndrial cytochrome b gene was sequenced, its haplotype diversity calculated and a statistical parsimony haplotyp e network built. Both species exhibited low haplotype diversity compared to native and ot her non-native populations. The netw ork revealed potential source lo cations in the Northern Black Sea for the round goby and in the Danube at the Serbian-Romanian border for the tubenose goby. Fins, gills a nd body were examined for the presence of ectoparasites. Prevalence, abundance and infection intensity was much higher in tubenose goby , which might be the consequence of a different in troduction pathway. Our data provides evidence that tubenose goby entered Belgium thr ough active dispersal. The round goby, however, was mo st likely introduced with ballast water.
    Citation
    Mombaerts, M.; Volckaert, F.; Verreycken, H.; Huyse, T. (2014). The invasive round goby Neogobius melanostomus and tubenose goby Proterorhinus semilunaris: two introduction routes into Belgium. , Aquatic Invasions, Vol. 9, In press,
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/2307
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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