期刊
FISHERIES RESEARCH
卷 94, 期 1, 页码 92-98出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fishres.2008.07.001
关键词
allozymes; Australia; Pagrus auratus; population genetics; stock structure
类别
资金
- Australian Fishing Industry Research Development Council
- Queensland Department of Primary
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 degrees 52') but south of Forster (latitude 31 degrees 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. (C) 2008 Published by Elsevier B.V.
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