Data from: The genetic legacy of extreme exploitation in a polar vertebrate
Microsatellite data (39 loci) from Antarctic fur seals and Subantarctic fur seals, used in the paper: "The genetic legacy of extreme exploitation in a polar vertebrate" Abstract Understanding the effects of human exploitation on the genetic composition of wild populations is important for...
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Online Access: | https://dx.doi.org/10.5281/zenodo.3585717 https://zenodo.org/record/3585717 |
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ftdatacite:10.5281/zenodo.3585717 2023-05-15T13:33:57+02:00 Data from: The genetic legacy of extreme exploitation in a polar vertebrate Paijmans, A.J. Stoffel, M.A. Bester, M.A. Cleary, A.C. de Bruyn, P.J.N. Forcada, J. Goebel, M.E. Goldsworthy, S.D. Guinet, C. Lydersen, C. Kovacs, K.M. Lowther, A. Hoffman, J.I. 2019 https://dx.doi.org/10.5281/zenodo.3585717 https://zenodo.org/record/3585717 en eng Zenodo https://dx.doi.org/10.5281/zenodo.3585716 Open Access Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 info:eu-repo/semantics/openAccess CC-BY microsatellite Antarctic fur seal SPP 1158 Arctocephalus gazella pinniped bottleneck demographic history recolonisation Subantarctic fur seal Arctocephalus tropicalis dataset Dataset 2019 ftdatacite https://doi.org/10.5281/zenodo.3585717 https://doi.org/10.5281/zenodo.3585716 2021-11-05T12:55:41Z Microsatellite data (39 loci) from Antarctic fur seals and Subantarctic fur seals, used in the paper: "The genetic legacy of extreme exploitation in a polar vertebrate" Abstract Understanding the effects of human exploitation on the genetic composition of wild populations is important for predicting species persistence and adaptive potential. We therefore investigated the genetic legacy of large-scale commercial harvesting by reconstructing on a global scale the recent demographic history of the Antarctic fur seal ( Arctocephalus gazella ), a species that was hunted to the brink of extinction by 18 th and 19 th century sealers. Molecular genetic data from over 2,000 individuals, sampled from all eight major breeding colonies across the species᾿ circumpolar geographic distribution, show that at least four relict populations around Antarctica survived commercial hunting. Coalescent simulations suggest that all of these populations experienced severe bottlenecks down to effective population sizes of around 150–200. Nevertheless, comparably high levels of neutral genetic variability were retained as these declines are unlikely to have been strong enough to deplete allelic richness by more than around 15%. These findings suggest that even dramatic short-term declines need not necessarily result in major losses of diversity, and explain the apparent contradiction between the high genetic diversity of this species and its extreme exploitation history. Funding This research was supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) in the framework of a Sonderforschungsbereich (project numbers 316099922 and 396774617–TRR 212) and the priority programme "Antarctic Research with Comparative Investigations in Arctic Ice Areas" SPP 1158 (project number 424119118). It was also funded by Norwegian Antarctic Research Expeditions (NARE) programme. This work contributes to the Ecosystems project of the British Antarctic Survey, Natural Environmental Research Council, and is part of the Polar Science for Planet Earth Programme. The Department of Environmental Affairs provided logistical support for research at Marion Island and the Department of Science and Technology of South Africa provided funding through the National Research Foundation (NRF). We are grateful to Caroline Bonin, Debbie Baird-Bower and Iain Staniland together with the seal biologists working within the Marion Island Marine Mammal Programme for sample collection and logistics. We acknowledge support for the Article Processing Charge by the Deutsche Forschungsgemeinschaft and the Open Access Publication Fund of Bielefeld University. Dataset Antarc* Antarctic Antarctic Fur Seal Antarctic Fur Seals Antarctica Arctic Arctocephalus gazella British Antarctic Survey Marion Island DataCite Metadata Store (German National Library of Science and Technology) Arctic Antarctic The Antarctic Bower ENVELOPE(160.500,160.500,-72.617,-72.617) |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
microsatellite Antarctic fur seal SPP 1158 Arctocephalus gazella pinniped bottleneck demographic history recolonisation Subantarctic fur seal Arctocephalus tropicalis |
spellingShingle |
microsatellite Antarctic fur seal SPP 1158 Arctocephalus gazella pinniped bottleneck demographic history recolonisation Subantarctic fur seal Arctocephalus tropicalis Paijmans, A.J. Stoffel, M.A. Bester, M.A. Cleary, A.C. de Bruyn, P.J.N. Forcada, J. Goebel, M.E. Goldsworthy, S.D. Guinet, C. Lydersen, C. Kovacs, K.M. Lowther, A. Hoffman, J.I. Data from: The genetic legacy of extreme exploitation in a polar vertebrate |
topic_facet |
microsatellite Antarctic fur seal SPP 1158 Arctocephalus gazella pinniped bottleneck demographic history recolonisation Subantarctic fur seal Arctocephalus tropicalis |
description |
Microsatellite data (39 loci) from Antarctic fur seals and Subantarctic fur seals, used in the paper: "The genetic legacy of extreme exploitation in a polar vertebrate" Abstract Understanding the effects of human exploitation on the genetic composition of wild populations is important for predicting species persistence and adaptive potential. We therefore investigated the genetic legacy of large-scale commercial harvesting by reconstructing on a global scale the recent demographic history of the Antarctic fur seal ( Arctocephalus gazella ), a species that was hunted to the brink of extinction by 18 th and 19 th century sealers. Molecular genetic data from over 2,000 individuals, sampled from all eight major breeding colonies across the species᾿ circumpolar geographic distribution, show that at least four relict populations around Antarctica survived commercial hunting. Coalescent simulations suggest that all of these populations experienced severe bottlenecks down to effective population sizes of around 150–200. Nevertheless, comparably high levels of neutral genetic variability were retained as these declines are unlikely to have been strong enough to deplete allelic richness by more than around 15%. These findings suggest that even dramatic short-term declines need not necessarily result in major losses of diversity, and explain the apparent contradiction between the high genetic diversity of this species and its extreme exploitation history. Funding This research was supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) in the framework of a Sonderforschungsbereich (project numbers 316099922 and 396774617–TRR 212) and the priority programme "Antarctic Research with Comparative Investigations in Arctic Ice Areas" SPP 1158 (project number 424119118). It was also funded by Norwegian Antarctic Research Expeditions (NARE) programme. This work contributes to the Ecosystems project of the British Antarctic Survey, Natural Environmental Research Council, and is part of the Polar Science for Planet Earth Programme. The Department of Environmental Affairs provided logistical support for research at Marion Island and the Department of Science and Technology of South Africa provided funding through the National Research Foundation (NRF). We are grateful to Caroline Bonin, Debbie Baird-Bower and Iain Staniland together with the seal biologists working within the Marion Island Marine Mammal Programme for sample collection and logistics. We acknowledge support for the Article Processing Charge by the Deutsche Forschungsgemeinschaft and the Open Access Publication Fund of Bielefeld University. |
format |
Dataset |
author |
Paijmans, A.J. Stoffel, M.A. Bester, M.A. Cleary, A.C. de Bruyn, P.J.N. Forcada, J. Goebel, M.E. Goldsworthy, S.D. Guinet, C. Lydersen, C. Kovacs, K.M. Lowther, A. Hoffman, J.I. |
author_facet |
Paijmans, A.J. Stoffel, M.A. Bester, M.A. Cleary, A.C. de Bruyn, P.J.N. Forcada, J. Goebel, M.E. Goldsworthy, S.D. Guinet, C. Lydersen, C. Kovacs, K.M. Lowther, A. Hoffman, J.I. |
author_sort |
Paijmans, A.J. |
title |
Data from: The genetic legacy of extreme exploitation in a polar vertebrate |
title_short |
Data from: The genetic legacy of extreme exploitation in a polar vertebrate |
title_full |
Data from: The genetic legacy of extreme exploitation in a polar vertebrate |
title_fullStr |
Data from: The genetic legacy of extreme exploitation in a polar vertebrate |
title_full_unstemmed |
Data from: The genetic legacy of extreme exploitation in a polar vertebrate |
title_sort |
data from: the genetic legacy of extreme exploitation in a polar vertebrate |
publisher |
Zenodo |
publishDate |
2019 |
url |
https://dx.doi.org/10.5281/zenodo.3585717 https://zenodo.org/record/3585717 |
long_lat |
ENVELOPE(160.500,160.500,-72.617,-72.617) |
geographic |
Arctic Antarctic The Antarctic Bower |
geographic_facet |
Arctic Antarctic The Antarctic Bower |
genre |
Antarc* Antarctic Antarctic Fur Seal Antarctic Fur Seals Antarctica Arctic Arctocephalus gazella British Antarctic Survey Marion Island |
genre_facet |
Antarc* Antarctic Antarctic Fur Seal Antarctic Fur Seals Antarctica Arctic Arctocephalus gazella British Antarctic Survey Marion Island |
op_relation |
https://dx.doi.org/10.5281/zenodo.3585716 |
op_rights |
Open Access Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.5281/zenodo.3585717 https://doi.org/10.5281/zenodo.3585716 |
_version_ |
1766047372464357376 |