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Analysis of mitochondrial DNA clarifies the taxonomy and distribution of the Australian snubfin dolphin (Orcaella heinsohni) in northern Australian waters

Palmer, Carol, Murphy, Stephen A., Thiele, Deborah, Parra, Guido J., Robertson, Kelly M., Beasley, Isabel and Austin, Chris M. 2011, Analysis of mitochondrial DNA clarifies the taxonomy and distribution of the Australian snubfin dolphin (Orcaella heinsohni) in northern Australian waters, Marine and freshwater research, vol. 62, no. 11, pp. 1303-1307, doi: 10.1071/MF11063.

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Title Analysis of mitochondrial DNA clarifies the taxonomy and distribution of the Australian snubfin dolphin (Orcaella heinsohni) in northern Australian waters
Author(s) Palmer, Carol
Murphy, Stephen A.
Thiele, Deborah
Parra, Guido J.
Robertson, Kelly M.
Beasley, Isabel
Austin, Chris M.ORCID iD for Austin, Chris M. orcid.org/0000-0003-1848-6267
Journal name Marine and freshwater research
Volume number 62
Issue number 11
Start page 1303
End page 1307
Total pages 5
Publisher CSIRO Publishing
Place of publication Clayton, Vic.
Publication date 2011-11-09
ISSN 1323-1650
Keyword(s) distribution
mitochondrial DNA
Northern Australia
Science & Technology
Life Sciences & Biomedicine
Physical Sciences
Fisheries
Limnology
Marine & Freshwater Biology
Oceanography
PACIFIC HUMPBACK DOLPHINS
SUBSTITUTIONS
CONSERVATION
DELPHINIDAE
QUEENSLAND
PROGRAM
Summary Conservation management relies on being able to identify and describe species. Recent morphological and molecular analyses of the dolphin genus Orcaella show a species-level disjunction between eastern Australia and South-east Asia. However, because of restricted sampling, the taxonomic affinities of the geographically intermediate populations in the Northern Territory and Western Australia remained uncertain. We sequenced 403 base pairs of the mitochondrial control region from five free-ranging Orcaella individuals sampled from north-western Western Australia and the Northern Territory. Low net nucleotide divergence (0.110.67%) among the Australian Orcaella populations show that populations occurring in the Northern Territory and Western Australia belong to the Australian snubfin (O. heinsohni) rather than the Asian Irrawaddy dolphin (O. brevirostris). Clarifying the distribution of Orcaella is an important first step in the conservation and management for both species; however, an understanding of the metapopulation structure and patterns of dispersal among populations is now needed. Journal compilation
Language eng
DOI 10.1071/MF11063
Field of Research 060205 Marine and Estuarine Ecology (incl Marine Ichthyology)
060408 Genomics
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2011, CSIRO
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091339

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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