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Delineation of conservation units in an endangered marsupial, the southern brown bandicoot (Isoodon obesulus obesulus), in South Australia/western Victoria, Australia

Li, You, Lancaster, Melanie L., Carthew, Susan M., Packer, Jasmin G. and Cooper, Steven J. B. (2014). Delineation of conservation units in an endangered marsupial, the southern brown bandicoot (Isoodon obesulus obesulus), in South Australia/western Victoria, Australia. Australian Journal of Zoology,62(5):345-359.

Document type: Journal Article
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IRMA ID 84376995xPUB110
Title Delineation of conservation units in an endangered marsupial, the southern brown bandicoot (Isoodon obesulus obesulus), in South Australia/western Victoria, Australia
Author Li, You
Lancaster, Melanie L.
Carthew, Susan M.
Packer, Jasmin G.
Cooper, Steven J. B.
Journal Name Australian Journal of Zoology
Publication Date 2014
Volume Number 62
Issue Number 5
ISSN 0004-959X   (check CDU catalogue open catalogue search in new window)
eISSN 1446-5698
Scopus ID 2-s2.0-84919665772
Start Page 345
End Page 359
Total Pages 15
Place of Publication Australia
Publisher C S I R O Publishing
HERDC Category C1 - Journal Article (DIISR)
Abstract Conservation programs for threatened species are greatly benefiting from genetic data, for their power in providing knowledge of dispersal/gene flow across fragmented landscapes and for identifying populations of high conservation value. The endangered southern brown bandicoot (Isoodon obesulus obesulus) has a disjunct distribution range in South Australia, raising the possibility that populations of the subspecies may represent distinct conservation units. In the current study, we used a combination of 14 microsatellite and two mitochondrial sequence markers to investigate the phylogeography and population structure of I. o. obesulus in South Australia and south-western Victoria, with the aim of identifying any potential evolutionarily significant units and management units relevant to conservation management. Our phylogenetic/population analyses supported the presence of two distinct evolutionary lineages of I. o. obesulus. The first lineage comprised individuals from the Mount Lofty Ranges, Fleurieu Peninsula and Kangaroo Island. A second lineage comprised individuals from the south-east of South Australia and south-western Victoria. We propose that these two lineages represent distinct evolutionarily significant units and should be managed separately for conservation purposes. The findings also raise significant issues for the national conservation status of I. o. obesulus and suggest that the current subspecies classification needs further investigation.
Keywords Evolutionarily significant unit
Management unit
Microsatellite
mtDNA
DOI http://dx.doi.org/10.1071/ZO14038   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
Description for Link Link to publisher's version
URL http://www.publish.csiro.au/?paper=ZO14038
 
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Created: Wed, 19 Aug 2015, 12:25:56 CST