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Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations

Kate L. Ciborowski, William C. Jordan, Carlos Garcia De Leaniz Orcid Logo, S. Consuegra, Sofia Consuegra del Olmo Orcid Logo

Scientific Reports, Volume: 7, Start page: 42416

Swansea University Authors: Carlos Garcia De Leaniz Orcid Logo, Sofia Consuegra del Olmo Orcid Logo

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DOI (Published version): 10.1038/srep42416

Abstract

The role of marginal populations for the long-term maintenance of species’ genetic diversity and evolutionary potential is particularly timely in view of the range shifts caused by climate change. The Centre-Periphery hypothesis predicts that marginal populations should bear reduced genetic diversit...

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Published in: Scientific Reports
Published: 2017
URI: https://cronfa.swan.ac.uk/Record/cronfa32926
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first_indexed 2017-04-04T12:49:00Z
last_indexed 2018-02-09T05:21:23Z
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spelling 2017-05-08T10:40:30.4084764 v2 32926 2017-04-04 Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations 1c70acd0fd64edb0856b7cf34393ab02 0000-0003-1650-2729 Carlos Garcia De Leaniz Carlos Garcia De Leaniz true false 241f2810ab8f56be53ca8af23e384c6e 0000-0003-4403-2509 Sofia Consuegra del Olmo Sofia Consuegra del Olmo true false 2017-04-04 SBI The role of marginal populations for the long-term maintenance of species’ genetic diversity and evolutionary potential is particularly timely in view of the range shifts caused by climate change. The Centre-Periphery hypothesis predicts that marginal populations should bear reduced genetic diversity and have low evolutionary potential. We analysed temporal stability at neutral microsatellite and adaptive MHC genetic variation over five decades in four marginal Atlantic salmon populations located at the southern limit of the species’ distribution with a complicated demographic history, which includes stocking with foreign and native salmon for at least 2 decades. We found a temporal increase in neutral genetic variation, as well as temporal instability in population structuring, highlighting the importance of temporal analyses in studies that examine the genetic diversity of peripheral populations at the margins of the species’ range, particularly in face of climate change. Journal Article Scientific Reports 7 42416 28 2 2017 2017-02-28 10.1038/srep42416 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2017-05-08T10:40:30.4084764 2017-04-04T06:31:39.3668221 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Kate L. Ciborowski 1 William C. Jordan 2 Carlos Garcia De Leaniz 0000-0003-1650-2729 3 S. Consuegra 4 Sofia Consuegra del Olmo 0000-0003-4403-2509 5 0032926-08052017103822.pdf srep424161.pdf 2017-05-08T10:38:22.3770000 Output 755845 application/pdf Version of Record true 2017-02-10T00:00:00.0000000 This work is licensed under a Creative Commons Attribution 4.0 International License. true eng
title Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations
spellingShingle Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations
Carlos Garcia De Leaniz
Sofia Consuegra del Olmo
title_short Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations
title_full Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations
title_fullStr Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations
title_full_unstemmed Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations
title_sort Temporal and spatial instability in neutral and adaptive (MHC) genetic variation in marginal salmon populations
author_id_str_mv 1c70acd0fd64edb0856b7cf34393ab02
241f2810ab8f56be53ca8af23e384c6e
author_id_fullname_str_mv 1c70acd0fd64edb0856b7cf34393ab02_***_Carlos Garcia De Leaniz
241f2810ab8f56be53ca8af23e384c6e_***_Sofia Consuegra del Olmo
author Carlos Garcia De Leaniz
Sofia Consuegra del Olmo
author2 Kate L. Ciborowski
William C. Jordan
Carlos Garcia De Leaniz
S. Consuegra
Sofia Consuegra del Olmo
format Journal article
container_title Scientific Reports
container_volume 7
container_start_page 42416
publishDate 2017
institution Swansea University
doi_str_mv 10.1038/srep42416
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 1
active_str 0
description The role of marginal populations for the long-term maintenance of species’ genetic diversity and evolutionary potential is particularly timely in view of the range shifts caused by climate change. The Centre-Periphery hypothesis predicts that marginal populations should bear reduced genetic diversity and have low evolutionary potential. We analysed temporal stability at neutral microsatellite and adaptive MHC genetic variation over five decades in four marginal Atlantic salmon populations located at the southern limit of the species’ distribution with a complicated demographic history, which includes stocking with foreign and native salmon for at least 2 decades. We found a temporal increase in neutral genetic variation, as well as temporal instability in population structuring, highlighting the importance of temporal analyses in studies that examine the genetic diversity of peripheral populations at the margins of the species’ range, particularly in face of climate change.
published_date 2017-02-28T03:40:30Z
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