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dc.contributor.authorKennington, W.
dc.contributor.authorKeron, P.
dc.contributor.authorHarvey, Euan
dc.contributor.authorWakefield, Corey
dc.contributor.authorWilliams, A.
dc.contributor.authorHalafihi, T.
dc.contributor.authorNewman, Stephen
dc.date.accessioned2017-07-27T05:21:44Z
dc.date.available2017-07-27T05:21:44Z
dc.date.created2017-07-26T11:11:18Z
dc.date.issued2017
dc.identifier.citationKennington, W. and Keron, P. and Harvey, E. and Wakefield, C. and Williams, A. and Halafihi, T. and Newman, S. 2017. High intra-ocean, but limited inter-ocean genetic connectivity in populations of the deep-water oblique-banded snapper Pristipomoides zonatus (Pisces: Lutjanidae). Fisheries Research. 193: pp. 242-249.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/54648
dc.identifier.doi10.1016/j.fishres.2017.04.015
dc.description.abstract

While many studies have investigated connectivity and subdivision in marine fish occupying tropical, shallow water reef habitats, relatively few have been conducted on commercially important deep-water species in the Indo-Pacific region. Here, we examine spatial and temporal genetic variation in the deep-water oblique-banded snapper Pristipomoides zonatus, collected from eight locations across the Indian and Pacific Oceans. A total of 292 individuals were screened for genetic variation at six nuclear microsatellite loci and the cytochrome c oxidase subunit 1 (COI) mitochondrial DNA (mtDNA) gene. There was evidence of low, but significant genetic differentiation between ocean basins (FCT = 0.009) and no significant divergences between sites within oceans. The lack of population structure within ocean basins suggests P. zonatus has a long pelagic larval duration with high levels of connectivity between populations over large geographical distances (>2000 km). There was no evidence of temporal variation in allele frequencies within populations. However, ephemeral genetic divergences between sites were detected, along with a significant reduction in genetic diversity at one site, suggesting there may be low effective population sizes (Ne). Our results suggest that localized declines in genetic diversity could be offset by gene flow from other locations within ocean basins, though predicting the broader impacts of localized stock depletions requires further understanding of recruitment dynamics and life history characteristics of the species.

dc.publisherElsevier BV
dc.titleHigh intra-ocean, but limited inter-ocean genetic connectivity in populations of the deep-water oblique-banded snapper Pristipomoides zonatus (Pisces: Lutjanidae)
dc.typeJournal Article
dcterms.source.volume193
dcterms.source.startPage242
dcterms.source.endPage249
dcterms.source.issn0165-7836
dcterms.source.titleFisheries Research
curtin.departmentDepartment of Environment and Agriculture
curtin.accessStatusFulltext not available


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