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  • Further translocation of the Redclaw, Cherax quadricarinatus (Decapoda: Parastacidae), to Lake Ainsworth in northeastern New South Wales, Australia

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    Author(s)
    C. Leland, Jesse
    Coughran, Jason
    Furse, James
    Griffith University Author(s)
    Furse, James M.
    Coughran, Jason
    Year published
    2012
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    Abstract
    Abstract.-The native Australian crayfish Cherax quadricarinatus (or Redclaw) is a large, highly fecund and fast growing species that has been widely translocated both interstate and internationally. This paper describes a translocated population of the species in Lake Ainsworth, an acidic coastal window lake in New South Wales. This population now represents the southern-most extent of its translocated range within Australia, and coincides with two native crayfishes, Cherax cuspidatus and a highly imperilled species of Tenuibranchiurus. Consistently high trap catches and collection of berried females indicates that the ...
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    Abstract.-The native Australian crayfish Cherax quadricarinatus (or Redclaw) is a large, highly fecund and fast growing species that has been widely translocated both interstate and internationally. This paper describes a translocated population of the species in Lake Ainsworth, an acidic coastal window lake in New South Wales. This population now represents the southern-most extent of its translocated range within Australia, and coincides with two native crayfishes, Cherax cuspidatus and a highly imperilled species of Tenuibranchiurus. Consistently high trap catches and collection of berried females indicates that the population in Lake Ainsworth is large, well established and self sustaining. The probable pathway of introduction to the lake was by human action (deliberate or accidental), rather than natural dispersal from previous sites of introduction. Native crayfish were not captured in the lake, but their presence was confirmed in ephemerally connected habitats ~2-3 km away. There are serious concerns about the further spread of the highly invasive C. quadricarinatus and its potential to displace native species.
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    Journal Title
    Crustacean Research
    Volume
    2012
    Issue
    Special Number 7
    Publisher URI
    http://rose.hucc.hokudai.ac.jp/~s16828/cr/e-site/Top_page.html
    Copyright Statement
    © 2012 The Carcinological Society of Japan. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Conservation and Biodiversity
    Publication URI
    http://hdl.handle.net/10072/50547
    Collection
    • Journal articles

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