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<title>UTas ePrints - Evidence of genetic subdivision among populations of blacklip abalone (Haliotis rubra Leach) in Tasmania</title>
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<meta content="Evidence of genetic subdivision among populations of
blacklip abalone (Haliotis rubra Leach) in Tasmania" name="eprints.title" />
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<meta content="The scale over which populations exchange individuals (migration) is central to ecology, and important for
understanding recruitment and connectivity in commercial species. Field studies indicate that blacklip abalone (Haliotis
rubra) have localised larval dispersal. However, genetic studies show differentiation only at large scales, suggesting
dispersal over more than 100 km. Most genetic studies, however, have failed to test for subdivision at scales equivalent to
field experiments.We used microsatellite DNA to investigate genetic structure at small scales (100m to 10 km) in blacklip
abalone in south-east Tasmania.We found significant subdivision (FST =0.021; P<0.05) among sites, and hierarchical
FST analysis indicated 64% of genetic variation was at the smallest scale, supporting field studies that concluded larval
dispersal is less than 100 m. We also tested if genetic differentiation varied predictably with wave exposure, but found
no evidence that differences between adjacent sites in exposed locations varied from differences between adjacent sites
in sheltered populations (mean FST =0.016 and 0.017 respectively). Our results show the usefulness of microsatellites
for abalone, but also identify sampling scales as critical in understanding gene flow and dispersal of abalone larvae in an
ecologically relevant framework. Importantly, our results indicate that H. rubra populations are self-recruiting, which will
be important for the management of this commercial species." name="eprints.abstract" />
<meta content="2007-08" name="eprints.date" />
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<meta content="Marine and Freshwater Research" name="eprints.publication" />
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<meta content="8" name="eprints.number" />
<meta content="733-742" name="eprints.pagerange" />
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Manuscript received 30 January 2007, accepted 13 June 2007" name="eprints.referencetext" />
<meta content="Temby, N. and Miller, K.J. and Mundy, C. (2007) Evidence of genetic subdivision among populations of blacklip abalone (Haliotis rubra Leach) in Tasmania. Marine and Freshwater Research, 58 (8). pp. 733-742." name="eprints.citation" />
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blacklip abalone (Haliotis rubra Leach) in Tasmania" name="DC.title" />
<meta content="Temby, N." name="DC.creator" />
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<meta content="Mundy, C." name="DC.creator" />
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<meta content="The scale over which populations exchange individuals (migration) is central to ecology, and important for
understanding recruitment and connectivity in commercial species. Field studies indicate that blacklip abalone (Haliotis
rubra) have localised larval dispersal. However, genetic studies show differentiation only at large scales, suggesting
dispersal over more than 100 km. Most genetic studies, however, have failed to test for subdivision at scales equivalent to
field experiments.We used microsatellite DNA to investigate genetic structure at small scales (100m to 10 km) in blacklip
abalone in south-east Tasmania.We found significant subdivision (FST =0.021; P<0.05) among sites, and hierarchical
FST analysis indicated 64% of genetic variation was at the smallest scale, supporting field studies that concluded larval
dispersal is less than 100 m. We also tested if genetic differentiation varied predictably with wave exposure, but found
no evidence that differences between adjacent sites in exposed locations varied from differences between adjacent sites
in sheltered populations (mean FST =0.016 and 0.017 respectively). Our results show the usefulness of microsatellites
for abalone, but also identify sampling scales as critical in understanding gene flow and dispersal of abalone larvae in an
ecologically relevant framework. Importantly, our results indicate that H. rubra populations are self-recruiting, which will
be important for the management of this commercial species." name="DC.description" />
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<h1 class="ep_tm_pagetitle">Evidence of genetic subdivision among populations of blacklip abalone (Haliotis rubra Leach) in Tasmania</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Temby, N.</span> and <span class="person_name">Miller, K.J.</span> and <span class="person_name">Mundy, C.</span> (2007) <xhtml:em>Evidence of genetic subdivision among populations of blacklip abalone (Haliotis rubra Leach) in Tasmania.</xhtml:em> Marine and Freshwater Research, 58 (8). pp. 733-742.</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/2148/1/Temby_et_al_MFR_2007.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" class="ep_doc_icon" border="0" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/2148/1/Temby_et_al_MFR_2007.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />1197Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input accept-charset="utf-8" value="2690" name="docid" type="hidden" /><div class=""><input value="Request a copy" name="_action_null" class="ep_form_action_button" onclick="return EPJS_button_pushed( '_action_null' )" type="submit" /> </div></form></td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://dx.doi.org/10.1071/MF07015">http://dx.doi.org/10.1071/MF07015</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">The scale over which populations exchange individuals (migration) is central to ecology, and important for
understanding recruitment and connectivity in commercial species. Field studies indicate that blacklip abalone (Haliotis
rubra) have localised larval dispersal. However, genetic studies show differentiation only at large scales, suggesting
dispersal over more than 100 km. Most genetic studies, however, have failed to test for subdivision at scales equivalent to
field experiments.We used microsatellite DNA to investigate genetic structure at small scales (100m to 10 km) in blacklip
abalone in south-east Tasmania.We found significant subdivision (FST =0.021; P<0.05) among sites, and hierarchical
FST analysis indicated 64% of genetic variation was at the smallest scale, supporting field studies that concluded larval
dispersal is less than 100 m. We also tested if genetic differentiation varied predictably with wave exposure, but found
no evidence that differences between adjacent sites in exposed locations varied from differences between adjacent sites
in sheltered populations (mean FST =0.016 and 0.017 respectively). Our results show the usefulness of microsatellites
for abalone, but also identify sampling scales as critical in understanding gene flow and dispersal of abalone larvae in an
ecologically relevant framework. Importantly, our results indicate that H. rubra populations are self-recruiting, which will
be important for the management of this commercial species.</p></div><table style="margin-bottom: 1em" cellpadding="3" class="not_ep_block" border="0"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Additional Information:</th><td valign="top" class="ep_row">Copyright, CSIRO 2007. Definitive version available online at http://www.publish.csiro.au/nid/127.htm</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">abalone, fisheries management, gene flow, habitat, larval dispersal, microsatellite DNA.</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/270702.html">270000 Biological Sciences > 270700 Ecology and Evolution > 270702 Marine and Estuarine Ecology (incl. Marine Ichthyology)</a><br /><a href="http://eprints.utas.edu.au/view/subjects/300799.html">300000 Agricultural, Veterinary and Environmental Sciences > 300700 Fisheries Sciences > 300799 Fisheries Sciences not elsewhere classified</a><br /><a href="http://eprints.utas.edu.au/view/subjects/270203.html">270000 Biological Sciences > 270200 Genetics > 270203 Population and Ecological Genetics</a></td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2148</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Dr Craig Mundy</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">18 Oct 2007 12:51</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">09 Jan 2008 02:30</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=2148;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&eprintid=2148">item control page</a></p>
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