Evidence for reproductive philopatry in the bull shark Carcharhinus leucas

Tillett, J., Meekan, M. G., Field, I. C., Thorburn, D. C. and Ovenden, J. R. (2012) Evidence for reproductive philopatry in the bull shark Carcharhinus leucas. Journal of Fish Biology, 80 6: 2140-2158. doi:10.1111/j.1095-8649.2012.03228.x


Author Tillett, J.
Meekan, M. G.
Field, I. C.
Thorburn, D. C.
Ovenden, J. R.
Title Evidence for reproductive philopatry in the bull shark Carcharhinus leucas
Formatted title
Evidence for reproductive philopatry in the bull shark Carcharhinus leucas
Journal name Journal of Fish Biology   Check publisher's open access policy
ISSN 0022-1112
1095-8649
Publication date 2012-05
Year available 2012
Sub-type Article (original research)
DOI 10.1111/j.1095-8649.2012.03228.x
Volume 80
Issue 6
Start page 2140
End page 2158
Total pages 19
Place of publication Chichester, West Sussex, United Kingdom
Publisher Wiley-Blackwell
Collection year 2013
Language eng
Formatted abstract
Reproductive philopatry in bull sharks Carcharhinus leucas was investigated by comparing mitochondrial (NADH dehydrogenase subunit 4, 797 base pairs and control region genes 837 base pairs) and nuclear (three microsatellite loci) DNA of juveniles sampled from 13 river systems across northern Australia. High mitochondrial and low microsatellite genetic diversity among juveniles sampled from different rivers (mitochondrial φST = 0·0767, P <0·05; microsatellite FST = −0·0022, P >0·05) supported female reproductive philopatry. Genetic structure was not further influenced by geographic distance (P >0·05) or long-shore barriers to movement (P >0·05). Additionally, results suggest that C. leucas in northern Australia has a long-term effective population size of 11 000–13 000 females and has undergone population bottlenecks and expansions that coincide with the timing of the last ice-ages.
Keyword Estuary
Microsatellites
Mitochondria
Northern Australia population
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Non HERDC
School of Biological Sciences Publications
 
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