Evidence for a stock discontinuity of snapper (Pagrus auratus) on the East coast of Australia

Sumpton, Wayne D., Ovenden, Jennifer R., Keenan, Clive P. and Street, Raewyn (2008) Evidence for a stock discontinuity of snapper (Pagrus auratus) on the East coast of Australia. Fisheries Research, 94 1: 92-98. doi:10.1016/j.fishres.2008.07.001


Author Sumpton, Wayne D.
Ovenden, Jennifer R.
Keenan, Clive P.
Street, Raewyn
Title Evidence for a stock discontinuity of snapper (Pagrus auratus) on the East coast of Australia
Journal name Fisheries Research   Check publisher's open access policy
ISSN 0165-7836
1872-6763
Publication date 2008-10
Sub-type Article (original research)
DOI 10.1016/j.fishres.2008.07.001
Volume 94
Issue 1
Start page 92
End page 98
Total pages 7
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Language eng
Formatted abstract
Allozyme electrophoresis was used to investigate the genetic stock structure of snapper, Pagrus auratus (Bloch and Schneider) on the east coast of Australia. Spatial variation in allele frequency was examined at nine polymorphic loci. The results support a single, relatively weak genetic disjunction among the P. auratus populations north of Sydney (latitude 33°52′) but south of Forster (latitude 31°58′) on the central coast of New South Wales. There was also evidence for genetic isolation by distance on the east coast. The influence of the East Australian Current (EAC) in transporting larvae to the south, coupled with the general northward migration pattern of adult snapper is believed to be responsible for maintaining a panmictic snapper population on much of the east coast of Australia.
Keyword Allozymes
Australia
Pagrus auratus
Population genetics
Stock structure
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Biomedical Sciences Publications
 
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