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- Publisher Website: 10.1016/j.fishres.2013.03.013
- Scopus: eid_2-s2.0-84877136043
- WOS: WOS:000321031500001
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Article: Murky waters: Searching for structure in genetically depauperate blue threadfin populations of Western Australia
Title | Murky waters: Searching for structure in genetically depauperate blue threadfin populations of Western Australia |
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Authors | |
Keywords | Polynemidae Population genetics Recruitment cohorts Self-recruitment |
Issue Date | 2013 |
Citation | Fisheries Research, 2013, v. 146, p. 1-6 How to Cite? |
Abstract | The blue threadfin (Eleutheronema tetradactylum) is an exploited fishery species in southeast Asia and Australia. Demographic studies have revealed fine-scale stock structure throughout the Australian coastline, with demographically isolated populations separated by only tens of km. Similarly, population genetic analysis revealed fine-scale structure across most of its Australian range with important implications for fisheries management. However, in northern Western Australia, genetic stock structure analysis showed a contradictory lack of structure. In the present study, one mtDNA marker and a suite of five microsatellite loci were used to further investigate the stock structure of Western Australian blue threadfin populations. By increasing sample sizes from previously investigated areas: Roebuck Bay (n=93 adults) and Eighty-mile Beach (n=92 adults and 163 recruits from two settlement cohorts), we were able to detect subtle genetic differentiation that was previously obscured by low levels of genetic polymorphism. Therefore, the same fine-scale stock structure that has been observed elsewhere in this species also appears to exist in Western Australia. This has clear ramifications for a revised management strategy that incorporates the fine scale structuring of northwest Western Australian stocks of the blue threadfin. © 2013 Elsevier B.V. |
Persistent Identifier | http://hdl.handle.net/10722/318534 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.702 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Horne, John B. | - |
dc.contributor.author | Momigliano, Paolo | - |
dc.contributor.author | Van Herwerden, Lynne | - |
dc.contributor.author | Newman, Stephen J. | - |
dc.date.accessioned | 2022-10-11T12:23:59Z | - |
dc.date.available | 2022-10-11T12:23:59Z | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | Fisheries Research, 2013, v. 146, p. 1-6 | - |
dc.identifier.issn | 0165-7836 | - |
dc.identifier.uri | http://hdl.handle.net/10722/318534 | - |
dc.description.abstract | The blue threadfin (Eleutheronema tetradactylum) is an exploited fishery species in southeast Asia and Australia. Demographic studies have revealed fine-scale stock structure throughout the Australian coastline, with demographically isolated populations separated by only tens of km. Similarly, population genetic analysis revealed fine-scale structure across most of its Australian range with important implications for fisheries management. However, in northern Western Australia, genetic stock structure analysis showed a contradictory lack of structure. In the present study, one mtDNA marker and a suite of five microsatellite loci were used to further investigate the stock structure of Western Australian blue threadfin populations. By increasing sample sizes from previously investigated areas: Roebuck Bay (n=93 adults) and Eighty-mile Beach (n=92 adults and 163 recruits from two settlement cohorts), we were able to detect subtle genetic differentiation that was previously obscured by low levels of genetic polymorphism. Therefore, the same fine-scale stock structure that has been observed elsewhere in this species also appears to exist in Western Australia. This has clear ramifications for a revised management strategy that incorporates the fine scale structuring of northwest Western Australian stocks of the blue threadfin. © 2013 Elsevier B.V. | - |
dc.language | eng | - |
dc.relation.ispartof | Fisheries Research | - |
dc.subject | Polynemidae | - |
dc.subject | Population genetics | - |
dc.subject | Recruitment cohorts | - |
dc.subject | Self-recruitment | - |
dc.title | Murky waters: Searching for structure in genetically depauperate blue threadfin populations of Western Australia | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.fishres.2013.03.013 | - |
dc.identifier.scopus | eid_2-s2.0-84877136043 | - |
dc.identifier.volume | 146 | - |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 6 | - |
dc.identifier.isi | WOS:000321031500001 | - |