Harvest-induced phenotypic selection in an island population of moose, Alces alces
Empirical evidence strongly indicates that human exploitation has frequently led to rapid evolutionary changes in wild populations, yet the mechanisms involved are often poorly understood. Here, we applied a recently developed demographic framework for analyzing selection to data from a 20-year stud...
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Online Access: | http://hdl.handle.net/11250/2490982 https://doi.org/10.1111/evo.12952 |
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ftunivmob:oai:nmbu.brage.unit.no:11250/2490982 2023-05-15T13:12:48+02:00 Harvest-induced phenotypic selection in an island population of moose, Alces alces Kvalnes, Thomas Sæther, Bernt-Erik Haanes, Hallvard Røed, Knut Engen, Steinar Solberg, Erling Johan 2016-06-09T13:49:12Z application/pdf http://hdl.handle.net/11250/2490982 https://doi.org/10.1111/evo.12952 eng eng Norges forskningsråd: 10357100 Norges forskningsråd: 223257 Andre: Norwegian Environment Agency. EU/ERC-2010-AdG 268562 Evolution. 2016, 70 (7), 1486-1500. urn:issn:0014-3820 http://hdl.handle.net/11250/2490982 https://doi.org/10.1111/evo.12952 cristin:1360543 Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal http://creativecommons.org/licenses/by-nc-nd/4.0/deed.no CC-BY-NC-ND 1486-1500 70 Evolution 7 Journal article Peer reviewed 2016 ftunivmob https://doi.org/10.1111/evo.12952 2021-09-23T20:15:50Z Empirical evidence strongly indicates that human exploitation has frequently led to rapid evolutionary changes in wild populations, yet the mechanisms involved are often poorly understood. Here, we applied a recently developed demographic framework for analyzing selection to data from a 20-year study of a wild population of moose, Alces alces. In this population, a genetic pedigree has been established all the way back to founders. We demonstrate harvest-induced directional selection for delayed birth dates in males and reduced body mass as calf in females. During the study period, birth date was delayed by 0.81 days per year for both sexes, whereas no significant changes occurred in calf body mass. Quantitative genetic analyses indicated that both traits harbored significant additive genetic variance. These results show that selective harvesting can induce strong selection that oppose natural selection. This may cause evolution of less favorable phenotypes that become maladaptive once harvesting ceases. Age structure, animal model, microevolution, reproductive value, ungulate publishedVersion acceptedVersion Article in Journal/Newspaper Alces alces Open archive Norwegian University of Life Sciences: Brage NMBU Evolution 70 7 1486 1500 |
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Open Polar |
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Open archive Norwegian University of Life Sciences: Brage NMBU |
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ftunivmob |
language |
English |
description |
Empirical evidence strongly indicates that human exploitation has frequently led to rapid evolutionary changes in wild populations, yet the mechanisms involved are often poorly understood. Here, we applied a recently developed demographic framework for analyzing selection to data from a 20-year study of a wild population of moose, Alces alces. In this population, a genetic pedigree has been established all the way back to founders. We demonstrate harvest-induced directional selection for delayed birth dates in males and reduced body mass as calf in females. During the study period, birth date was delayed by 0.81 days per year for both sexes, whereas no significant changes occurred in calf body mass. Quantitative genetic analyses indicated that both traits harbored significant additive genetic variance. These results show that selective harvesting can induce strong selection that oppose natural selection. This may cause evolution of less favorable phenotypes that become maladaptive once harvesting ceases. Age structure, animal model, microevolution, reproductive value, ungulate publishedVersion acceptedVersion |
format |
Article in Journal/Newspaper |
author |
Kvalnes, Thomas Sæther, Bernt-Erik Haanes, Hallvard Røed, Knut Engen, Steinar Solberg, Erling Johan |
spellingShingle |
Kvalnes, Thomas Sæther, Bernt-Erik Haanes, Hallvard Røed, Knut Engen, Steinar Solberg, Erling Johan Harvest-induced phenotypic selection in an island population of moose, Alces alces |
author_facet |
Kvalnes, Thomas Sæther, Bernt-Erik Haanes, Hallvard Røed, Knut Engen, Steinar Solberg, Erling Johan |
author_sort |
Kvalnes, Thomas |
title |
Harvest-induced phenotypic selection in an island population of moose, Alces alces |
title_short |
Harvest-induced phenotypic selection in an island population of moose, Alces alces |
title_full |
Harvest-induced phenotypic selection in an island population of moose, Alces alces |
title_fullStr |
Harvest-induced phenotypic selection in an island population of moose, Alces alces |
title_full_unstemmed |
Harvest-induced phenotypic selection in an island population of moose, Alces alces |
title_sort |
harvest-induced phenotypic selection in an island population of moose, alces alces |
publishDate |
2016 |
url |
http://hdl.handle.net/11250/2490982 https://doi.org/10.1111/evo.12952 |
genre |
Alces alces |
genre_facet |
Alces alces |
op_source |
1486-1500 70 Evolution 7 |
op_relation |
Norges forskningsråd: 10357100 Norges forskningsråd: 223257 Andre: Norwegian Environment Agency. EU/ERC-2010-AdG 268562 Evolution. 2016, 70 (7), 1486-1500. urn:issn:0014-3820 http://hdl.handle.net/11250/2490982 https://doi.org/10.1111/evo.12952 cristin:1360543 |
op_rights |
Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal http://creativecommons.org/licenses/by-nc-nd/4.0/deed.no |
op_rightsnorm |
CC-BY-NC-ND |
op_doi |
https://doi.org/10.1111/evo.12952 |
container_title |
Evolution |
container_volume |
70 |
container_issue |
7 |
container_start_page |
1486 |
op_container_end_page |
1500 |
_version_ |
1766254123334762496 |