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A genetic investigation on translocation of Australian commercial freshwater crayfish, cherax destructor

Nguyen, T. T. T. 2005, A genetic investigation on translocation of Australian commercial freshwater crayfish, cherax destructor, Aquatic living resources, vol. 18, no. 3, July-September, pp. 319-323.

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Title A genetic investigation on translocation of Australian commercial freshwater crayfish, cherax destructor
Formatted title A genetic investigation on translocation of Australian commercial freshwater crayfish, Cherax destructor
Author(s) Nguyen, T. T. T.
Journal name Aquatic living resources
Volume number 18
Issue number 3
Season July-September
Start page 319
End page 323
Publisher E D P Sciences
Place of publication Paris, France
Publication date 2005
ISSN 0990-7440
1765-2952
Keyword(s) Cherax destructor
Freshwater crayfish
Translocation
Conservation
16S rRNA
Summary The Australian freshwater crayfish, Cherax destructor is cultured commercially and has been translocated throughout much of Australia. Previous investigation on C. destructor using 16S rRNA sequences of samples collected from natural environments has revealed a significant phylogeographic structure in this species with three well supported geographically non-overlapping clades, namely ‘northern’ C. d. destructor, ‘southern’ C. d. destructor and C. d. albidus. Movement of individuals beyond their natural range of distribution may have adverse effects on genetic integrity of the species. In the present study, aspects of translocations of the species were genetically investigated. Sequences of the 16S rRNA gene region of themitochondrial DNA (mtDNA) were obtained fromsamples collected in nine quasi-natural waterbodies, supplemented with sequences of samples obtained from 31 natural waterbodies examined in a previous study. Results of phylogeographic analysis provide evidence that certain haplotypes from major clades of C. destructor have been translocated. The findings of this study have important implications for the conservation and management of genetic diversity within C. destructor.
Language eng
Field of Research 070405 Fish Physiology and Genetics
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
HERDC collection year 2008
Copyright notice ©2005, EDP Sciences, IFREMER, IRD
Persistent URL http://hdl.handle.net/10536/DRO/DU:30021362

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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Created: Mon, 14 Dec 2009, 20:17:11 EST by Thuy Nguyen

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