Data from: Global population genetic dynamics of a highly migratory, apex predator shark
Knowledge of genetic connectivity dynamics in the world's large-bodied, highly migratory, apex predator sharks across their global ranges is limited. One such species, the tiger shark (Galeocerdo cuvier), occurs worldwide in warm temperate and tropical waters, uses remarkably diverse habitats (...
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ftdans:oai:easy.dans.knaw.nl:easy-dataset:95310 2023-07-02T03:33:43+02:00 Data from: Global population genetic dynamics of a highly migratory, apex predator shark Bernard, Andrea M. Feldheim, Kevin A. Heithaus, Michael R. Wintner, Sabine P. Wetherbee, Bradley M. Shivji, Mahmood S. 2016-09-22T21:21:50.000+02:00 http://nbn-resolving.org/urn:nbn:nl:ui:13-gx-97nx https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:95310 unknown doi:10.5061/dryad.g41cj/1 doi:10.1111/mec.13845 PMID:27662523 http://nbn-resolving.org/urn:nbn:nl:ui:13-gx-97nx doi:10.5061/dryad.g41cj https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:95310 OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf Life sciences medicine and health care 2016 ftdans https://doi.org/10.5061/dryad.g41cj/110.1111/mec.1384510.5061/dryad.g41cj 2023-06-13T13:23:25Z Knowledge of genetic connectivity dynamics in the world's large-bodied, highly migratory, apex predator sharks across their global ranges is limited. One such species, the tiger shark (Galeocerdo cuvier), occurs worldwide in warm temperate and tropical waters, uses remarkably diverse habitats (nearshore to pelagic) and possesses a generalist diet that can structure marine ecosystems through top-down processes. We investigated the phylogeography and the global population structure of this exploited, phylogenetically enigmatic shark by using 10 nuclear microsatellites (n = 380) and sequences from the mitochondrial control region (CR, n = 340) and cytochrome oxidase I gene (n = 100). All three marker classes showed the genetic differentiation between tiger sharks from the western Atlantic and Indo-Pacific ocean basins (microsatellite FST > 0.129; CR ΦST > 0.497), the presence of North vs. southwestern Atlantic differentiation and the isolation of tiger sharks sampled from Hawaii from other surveyed locations. Furthermore, mitochondrial DNA revealed high levels of intraocean basin matrilineal population structure, suggesting female philopatry and sex-biased gene flow. Coalescent- and genetic distance-based estimates of divergence from CR sequences were largely congruent (dcorr = 0.0015–0.0050), indicating a separation of Indo-Pacific and western Atlantic tiger sharks <1 million years ago. Mitochondrial haplotype relationships suggested that the western South Atlantic Ocean was likely a historical connection for interocean basin linkages via the dispersal around South Africa. Together, the results reveal unexpectedly high levels of population structure in a highly migratory, behaviourally generalist, cosmopolitan ocean predator, calling for management and conservation on smaller-than-anticipated spatial scales. Other/Unknown Material South Atlantic Ocean Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) Pacific |
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Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
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ftdans |
language |
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Life sciences medicine and health care |
spellingShingle |
Life sciences medicine and health care Bernard, Andrea M. Feldheim, Kevin A. Heithaus, Michael R. Wintner, Sabine P. Wetherbee, Bradley M. Shivji, Mahmood S. Data from: Global population genetic dynamics of a highly migratory, apex predator shark |
topic_facet |
Life sciences medicine and health care |
description |
Knowledge of genetic connectivity dynamics in the world's large-bodied, highly migratory, apex predator sharks across their global ranges is limited. One such species, the tiger shark (Galeocerdo cuvier), occurs worldwide in warm temperate and tropical waters, uses remarkably diverse habitats (nearshore to pelagic) and possesses a generalist diet that can structure marine ecosystems through top-down processes. We investigated the phylogeography and the global population structure of this exploited, phylogenetically enigmatic shark by using 10 nuclear microsatellites (n = 380) and sequences from the mitochondrial control region (CR, n = 340) and cytochrome oxidase I gene (n = 100). All three marker classes showed the genetic differentiation between tiger sharks from the western Atlantic and Indo-Pacific ocean basins (microsatellite FST > 0.129; CR ΦST > 0.497), the presence of North vs. southwestern Atlantic differentiation and the isolation of tiger sharks sampled from Hawaii from other surveyed locations. Furthermore, mitochondrial DNA revealed high levels of intraocean basin matrilineal population structure, suggesting female philopatry and sex-biased gene flow. Coalescent- and genetic distance-based estimates of divergence from CR sequences were largely congruent (dcorr = 0.0015–0.0050), indicating a separation of Indo-Pacific and western Atlantic tiger sharks <1 million years ago. Mitochondrial haplotype relationships suggested that the western South Atlantic Ocean was likely a historical connection for interocean basin linkages via the dispersal around South Africa. Together, the results reveal unexpectedly high levels of population structure in a highly migratory, behaviourally generalist, cosmopolitan ocean predator, calling for management and conservation on smaller-than-anticipated spatial scales. |
author |
Bernard, Andrea M. Feldheim, Kevin A. Heithaus, Michael R. Wintner, Sabine P. Wetherbee, Bradley M. Shivji, Mahmood S. |
author_facet |
Bernard, Andrea M. Feldheim, Kevin A. Heithaus, Michael R. Wintner, Sabine P. Wetherbee, Bradley M. Shivji, Mahmood S. |
author_sort |
Bernard, Andrea M. |
title |
Data from: Global population genetic dynamics of a highly migratory, apex predator shark |
title_short |
Data from: Global population genetic dynamics of a highly migratory, apex predator shark |
title_full |
Data from: Global population genetic dynamics of a highly migratory, apex predator shark |
title_fullStr |
Data from: Global population genetic dynamics of a highly migratory, apex predator shark |
title_full_unstemmed |
Data from: Global population genetic dynamics of a highly migratory, apex predator shark |
title_sort |
data from: global population genetic dynamics of a highly migratory, apex predator shark |
publishDate |
2016 |
url |
http://nbn-resolving.org/urn:nbn:nl:ui:13-gx-97nx https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:95310 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
South Atlantic Ocean |
genre_facet |
South Atlantic Ocean |
op_relation |
doi:10.5061/dryad.g41cj/1 doi:10.1111/mec.13845 PMID:27662523 http://nbn-resolving.org/urn:nbn:nl:ui:13-gx-97nx doi:10.5061/dryad.g41cj https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:95310 |
op_rights |
OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf |
op_doi |
https://doi.org/10.5061/dryad.g41cj/110.1111/mec.1384510.5061/dryad.g41cj |
_version_ |
1770273788628303872 |