Large-scale, multidirectional larval connectivity among coral reef fish populations in the Great Barrier Reef Marine Park.
Identifieur interne : 001C00 ( Main/Exploration ); précédent : 001B99; suivant : 001C01Large-scale, multidirectional larval connectivity among coral reef fish populations in the Great Barrier Reef Marine Park.
Auteurs : David H. Williamson [Australie] ; Hugo B. Harrison [Australie] ; Glenn R. Almany [Australie] ; Michael L. Berumen ; Michael Bode [Australie] ; Mary C. Bonin [Australie] ; Severine Choukroun [Australie] ; Peter J. Doherty [Australie] ; Ashley J. Frisch [Australie] ; Pablo Saenz-Agudelo [France] ; Geoffrey P. Jones [Australie]Source :
- Molecular ecology [ 1365-294X ] ; 2016.
Abstract
Larval dispersal is the key process by which populations of most marine fishes and invertebrates are connected and replenished. Advances in larval tagging and genetics have enhanced our capacity to track larval dispersal, assess scales of population connectivity, and quantify larval exchange among no-take marine reserves and fished areas. Recent studies have found that reserves can be a significant source of recruits for populations up to 40 km away, but the scale and direction of larval connectivity across larger seascapes remain unknown. Here, we apply genetic parentage analysis to investigate larval dispersal patterns for two exploited coral reef groupers (Plectropomus maculatus and Plectropomus leopardus) within and among three clusters of reefs separated by 60-220 km within the Great Barrier Reef Marine Park, Australia. A total of 69 juvenile P. maculatus and 17 juvenile P. leopardus (representing 6% and 9% of the total juveniles sampled, respectively) were genetically assigned to parent individuals on reefs within the study area. We identified both short-distance larval dispersal within regions (200 m to 50 km) and long-distance, multidirectional dispersal of up to ~250 km among regions. Dispersal strength declined significantly with distance, with best-fit dispersal kernels estimating median dispersal distances of ~110 km for P. maculatus and ~190 km for P. leopardus. Larval exchange among reefs demonstrates that established reserves form a highly connected network and contribute larvae for the replenishment of fished reefs at multiple spatial scales. Our findings highlight the potential for long-distance dispersal in an important group of reef fishes, and provide further evidence that effectively protected reserves can yield recruitment and sustainability benefits for exploited fish populations.
DOI: 10.1111/mec.13908
PubMed: 27862567
Affiliations:
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Williamson</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811</wicri:regionArea><wicri:noRegion>4811</wicri:noRegion></affiliation></author><author><name sortKey="Harrison, Hugo B" sort="Harrison, Hugo B" uniqKey="Harrison H" first="Hugo B" last="Harrison">Hugo B. Harrison</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811</wicri:regionArea><wicri:noRegion>4811</wicri:noRegion></affiliation></author><author><name sortKey="Almany, Glenn R" sort="Almany, Glenn R" uniqKey="Almany G" first="Glenn R" last="Almany">Glenn R. Almany</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811</wicri:regionArea><wicri:noRegion>4811</wicri:noRegion></affiliation></author><author><name sortKey="Berumen, Michael L" sort="Berumen, Michael L" uniqKey="Berumen M" first="Michael L" last="Berumen">Michael L. Berumen</name><affiliation><nlm:affiliation>Red Sea Research Center, King Abdullah University of Science and Technology, 23955-6900, Thuwal, Kingdom of Saudi Arabia.</nlm:affiliation><wicri:noCountry code="subField">Kingdom of Saudi Arabia</wicri:noCountry></affiliation></author><author><name sortKey="Bode, Michael" sort="Bode, Michael" uniqKey="Bode M" first="Michael" last="Bode">Michael Bode</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811</wicri:regionArea><wicri:noRegion>4811</wicri:noRegion></affiliation></author><author><name sortKey="Bonin, Mary C" sort="Bonin, Mary C" uniqKey="Bonin M" first="Mary C" last="Bonin">Mary C. Bonin</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811</wicri:regionArea><wicri:noRegion>4811</wicri:noRegion></affiliation></author><author><name sortKey="Choukroun, Severine" sort="Choukroun, Severine" uniqKey="Choukroun S" first="Severine" last="Choukroun">Severine Choukroun</name><affiliation wicri:level="1"><nlm:affiliation>Physical Sciences, College of Science, Technology and Engineering, James Cook University, Townsville, Qld, 4811, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Physical Sciences, College of Science, Technology and Engineering, James Cook University, Townsville, Qld, 4811</wicri:regionArea><wicri:noRegion>4811</wicri:noRegion></affiliation></author><author><name sortKey="Doherty, Peter J" sort="Doherty, Peter J" uniqKey="Doherty P" first="Peter J" last="Doherty">Peter J. Doherty</name><affiliation wicri:level="1"><nlm:affiliation>Australian Institute of Marine Science, PMB#3, Townsville MC, Qld, 4810, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Institute of Marine Science, PMB#3, Townsville MC, Qld, 4810</wicri:regionArea><wicri:noRegion>4810</wicri:noRegion></affiliation></author><author><name sortKey="Frisch, Ashley J" sort="Frisch, Ashley J" uniqKey="Frisch A" first="Ashley J" last="Frisch">Ashley J. Frisch</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811</wicri:regionArea><wicri:noRegion>4811</wicri:noRegion></affiliation></author><author><name sortKey="Saenz Agudelo, Pablo" sort="Saenz Agudelo, Pablo" uniqKey="Saenz Agudelo P" first="Pablo" last="Saenz-Agudelo">Pablo Saenz-Agudelo</name><affiliation wicri:level="1"><nlm:affiliation>National Center for Scientific Research (CNRS), USR 3278 CNRS-EPHE CRIOBE, University of Perpignan, 66860, Perpignan Cedex, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>National Center for Scientific Research (CNRS), USR 3278 CNRS-EPHE CRIOBE, University of Perpignan, 66860, Perpignan Cedex</wicri:regionArea><wicri:noRegion>66860, Perpignan Cedex</wicri:noRegion><wicri:noRegion>66860, Perpignan Cedex</wicri:noRegion></affiliation></author><author><name sortKey="Jones, Geoffrey P" sort="Jones, Geoffrey P" uniqKey="Jones G" first="Geoffrey P" last="Jones">Geoffrey P. Jones</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Qld, 4811</wicri:regionArea><wicri:noRegion>4811</wicri:noRegion></affiliation></author></analytic><series><title level="j">Molecular ecology</title><idno type="eISSN">1365-294X</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Larval dispersal is the key process by which populations of most marine fishes and invertebrates are connected and replenished. Advances in larval tagging and genetics have enhanced our capacity to track larval dispersal, assess scales of population connectivity, and quantify larval exchange among no-take marine reserves and fished areas. Recent studies have found that reserves can be a significant source of recruits for populations up to 40 km away, but the scale and direction of larval connectivity across larger seascapes remain unknown. Here, we apply genetic parentage analysis to investigate larval dispersal patterns for two exploited coral reef groupers (Plectropomus maculatus and Plectropomus leopardus) within and among three clusters of reefs separated by 60-220 km within the Great Barrier Reef Marine Park, Australia. A total of 69 juvenile P. maculatus and 17 juvenile P. leopardus (representing 6% and 9% of the total juveniles sampled, respectively) were genetically assigned to parent individuals on reefs within the study area. We identified both short-distance larval dispersal within regions (200 m to 50 km) and long-distance, multidirectional dispersal of up to ~250 km among regions. Dispersal strength declined significantly with distance, with best-fit dispersal kernels estimating median dispersal distances of ~110 km for P. maculatus and ~190 km for P. leopardus. Larval exchange among reefs demonstrates that established reserves form a highly connected network and contribute larvae for the replenishment of fished reefs at multiple spatial scales. Our findings highlight the potential for long-distance dispersal in an important group of reef fishes, and provide further evidence that effectively protected reserves can yield recruitment and sustainability benefits for exploited fish populations.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li></country></list><tree><noCountry><name sortKey="Berumen, Michael L" sort="Berumen, Michael L" uniqKey="Berumen M" first="Michael L" last="Berumen">Michael L. Berumen</name></noCountry><country name="Australie"><noRegion><name sortKey="Williamson, David H" sort="Williamson, David H" uniqKey="Williamson D" first="David H" last="Williamson">David H. Williamson</name></noRegion><name sortKey="Almany, Glenn R" sort="Almany, Glenn R" uniqKey="Almany G" first="Glenn R" last="Almany">Glenn R. Almany</name><name sortKey="Bode, Michael" sort="Bode, Michael" uniqKey="Bode M" first="Michael" last="Bode">Michael Bode</name><name sortKey="Bonin, Mary C" sort="Bonin, Mary C" uniqKey="Bonin M" first="Mary C" last="Bonin">Mary C. Bonin</name><name sortKey="Choukroun, Severine" sort="Choukroun, Severine" uniqKey="Choukroun S" first="Severine" last="Choukroun">Severine Choukroun</name><name sortKey="Doherty, Peter J" sort="Doherty, Peter J" uniqKey="Doherty P" first="Peter J" last="Doherty">Peter J. Doherty</name><name sortKey="Frisch, Ashley J" sort="Frisch, Ashley J" uniqKey="Frisch A" first="Ashley J" last="Frisch">Ashley J. Frisch</name><name sortKey="Harrison, Hugo B" sort="Harrison, Hugo B" uniqKey="Harrison H" first="Hugo B" last="Harrison">Hugo B. Harrison</name><name sortKey="Jones, Geoffrey P" sort="Jones, Geoffrey P" uniqKey="Jones G" first="Geoffrey P" last="Jones">Geoffrey P. Jones</name></country><country name="France"><noRegion><name sortKey="Saenz Agudelo, Pablo" sort="Saenz Agudelo, Pablo" uniqKey="Saenz Agudelo P" first="Pablo" last="Saenz-Agudelo">Pablo Saenz-Agudelo</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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