Data

Grey Mackerel (Scomberomorus semifasciatus) microsatellite genotypes (nine loci) representing twelve regions along Australia's northern coastline from the eastern coast of Queensland to the western coast of Western Australia.

Queensland Department of Agriculture, Fisheries and Forestry
Damien Broderick (Aggregated by) Jennifer Ovenden (Aggregated by) Raewyn. Street (Aggregated by)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://era.daf.qld.gov.au/id/eprint/1902/&rft.title=Grey Mackerel (Scomberomorus semifasciatus) microsatellite genotypes (nine loci) representing twelve regions along Australia's northern coastline from the eastern coast of Queensland to the western coast of Western Australia.&rft.identifier=http://era.daf.qld.gov.au/id/eprint/1902/&rft.publisher=Queensland Department of Agriculture, Fisheries and Forestry&rft.description=Scomberomorus semifasciatus is an Australian endemic found in tropical, coastal waters from eastern to western Australia. Commercial and recreational exploitation is common and regulated by state-based authorities. This study used mitochondrial DNA sequence and microsatellite markers to elucidate the population structure of Scomberomorus semifasciatus collected from twelve, equidistant sampling locations. Samples (n=544) were genotyped with nine microsatellite loci, and 353 were sequenced for d-loop (384 bp) and ATP (800bp) mitochondrial DNA gene regions. Combined interpretation of microsatellite and mtDNA data identified four genetic stocks of S. semifasciatus: Western Australia, northwest coast of the Northern Territory, Gulf of Carpentaria and the east coast of Queensland. Connectivity among stocks across northern Australia from the Northern Territory to the east coast of Queensland was high, but in contrast, there was a clear genetic break between populations in Western Australia compared to the rest of northern Australia. This indicates a restriction to gene flow possibly associated with suboptimal habitat along the Kimberley coast (northwestern Australia). The appropriate scale of management for this species corresponds to the jurisdictions of the three Australian states, except that the Gulf of Carpentaria stock should be co-managed by authorities in Queensland and Northern Territory.&rft.creator=Damien Broderick&rft.creator=Jennifer Ovenden&rft.creator=Raewyn. Street&rft.date=2017&rft_subject=Final report &rft_subject=microsatellites&rft_subject=mitochondrial DNA&rft_subject=fisheries stocks&rft_subject=tropical&rft_subject=commercial&rft_subject=exploitation&rft_subject=Fishery research&rft_subject=Fishery resources&rft_subject=Genetics&rft_subject=Fishery conservation&rft.type=dataset&rft.language=English Access the data
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Brief description

Scomberomorus semifasciatus is an Australian endemic found in tropical, coastal waters from eastern to western Australia. Commercial and recreational exploitation is common and regulated by state-based authorities. This study used mitochondrial DNA sequence and microsatellite markers to elucidate the population structure of Scomberomorus semifasciatus collected from twelve, equidistant sampling locations. Samples (n=544) were genotyped with nine microsatellite loci, and 353 were sequenced for d-loop (384 bp) and ATP (800bp) mitochondrial DNA gene regions. Combined interpretation of microsatellite and mtDNA data identified four genetic stocks of S. semifasciatus: Western Australia, northwest coast of the Northern Territory, Gulf of Carpentaria and the east coast of Queensland. Connectivity among stocks across northern Australia from the Northern Territory to the east coast of Queensland was high, but in contrast, there was a clear genetic break between populations in Western Australia compared to the rest of northern Australia. This indicates a restriction to gene flow possibly associated with suboptimal habitat along the Kimberley coast (northwestern Australia). The appropriate scale of management for this species corresponds to the jurisdictions of the three Australian states, except that the Gulf of Carpentaria stock should be co-managed by authorities in Queensland and Northern Territory.

Notes

FRDC Final Report - 2005/010 - Determination of management units for grey mackerel fisheries in Queensland and the Northern Territory.

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Final report | Fishery conservation | Fishery research | Fishery resources | Genetics | commercial | exploitation | fisheries stocks | microsatellites | mitochondrial DNA | tropical |

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  • Local : http://era.daf.qld.gov.au/id/eprint/1902/
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