Early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer
Abstract Phenotypic plasticity has become a key concept to enhance our ability to understand the adaptive potential of species to track the pace of climate change by allowing a relatively rapid adjustment of life‐history traits. Recently, population‐level trends of an earlier timing of reproduction...
Published in: | Journal of Animal Ecology |
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crwiley:10.1111/1365-2656.13096 2024-06-02T08:13:38+00:00 Early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer Paoli, Amélie Weladji, Robert B. Holand, Øystein Kumpula, Jouko Gaillard, Jean‐Michel Natural Sciences and Engineering Research Council of Canada NordForsk 2019 http://dx.doi.org/10.1111/1365-2656.13096 https://onlinelibrary.wiley.com/doi/pdf/10.1111/1365-2656.13096 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/1365-2656.13096 https://besjournals.onlinelibrary.wiley.com/doi/pdf/10.1111/1365-2656.13096 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Animal Ecology volume 89, issue 2, page 370-383 ISSN 0021-8790 1365-2656 journal-article 2019 crwiley https://doi.org/10.1111/1365-2656.13096 2024-05-03T11:44:22Z Abstract Phenotypic plasticity has become a key concept to enhance our ability to understand the adaptive potential of species to track the pace of climate change by allowing a relatively rapid adjustment of life‐history traits. Recently, population‐level trends of an earlier timing of reproduction to climate change have been highlighted in many taxa, but only few studies have explicitly taken into consideration between‐individual heterogeneity in phenotypic plasticity. Using a long‐term data of a semi‐domesticated reindeer ( Rangifer tarandus ) population, we demonstrated that females differed greatly in their mean calving date but only slightly in the magnitude of their plastic response to the amount of precipitation in April. We also showed that despite the absence of a population trend, females individually responded to the amount of precipitation in April by delaying their calving dates. Females' calving date under average climatic conditions was best predicted by their birthdate, by their physical condition in March–April–May before their first calving season and by their first calving date. The degree of their phenotypic plasticity was not dependent on any of the females' attributes early in life tested in this study. However, females who delayed their calving dates in response to a higher amount of precipitation in April slightly produced less calves over their reproductive life. These findings confirmed that early‐life conditions of female reindeer can shape their phenotypic value during reproductive life, supporting the importance of maternal effects in shaping individuals' lifetime reproductive success. Whether females differed in the magnitude of their plastic response to climatic changes has received contrasted responses for various ungulate species. This calls for more research to enhance our understanding of the underlying mechanisms, leading to the complexity of plastic responses among populations to cope with current climate change. Article in Journal/Newspaper Rangifer tarandus Wiley Online Library Journal of Animal Ecology 89 2 370 383 |
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Wiley Online Library |
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English |
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Abstract Phenotypic plasticity has become a key concept to enhance our ability to understand the adaptive potential of species to track the pace of climate change by allowing a relatively rapid adjustment of life‐history traits. Recently, population‐level trends of an earlier timing of reproduction to climate change have been highlighted in many taxa, but only few studies have explicitly taken into consideration between‐individual heterogeneity in phenotypic plasticity. Using a long‐term data of a semi‐domesticated reindeer ( Rangifer tarandus ) population, we demonstrated that females differed greatly in their mean calving date but only slightly in the magnitude of their plastic response to the amount of precipitation in April. We also showed that despite the absence of a population trend, females individually responded to the amount of precipitation in April by delaying their calving dates. Females' calving date under average climatic conditions was best predicted by their birthdate, by their physical condition in March–April–May before their first calving season and by their first calving date. The degree of their phenotypic plasticity was not dependent on any of the females' attributes early in life tested in this study. However, females who delayed their calving dates in response to a higher amount of precipitation in April slightly produced less calves over their reproductive life. These findings confirmed that early‐life conditions of female reindeer can shape their phenotypic value during reproductive life, supporting the importance of maternal effects in shaping individuals' lifetime reproductive success. Whether females differed in the magnitude of their plastic response to climatic changes has received contrasted responses for various ungulate species. This calls for more research to enhance our understanding of the underlying mechanisms, leading to the complexity of plastic responses among populations to cope with current climate change. |
author2 |
Gaillard, Jean‐Michel Natural Sciences and Engineering Research Council of Canada NordForsk |
format |
Article in Journal/Newspaper |
author |
Paoli, Amélie Weladji, Robert B. Holand, Øystein Kumpula, Jouko |
spellingShingle |
Paoli, Amélie Weladji, Robert B. Holand, Øystein Kumpula, Jouko Early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer |
author_facet |
Paoli, Amélie Weladji, Robert B. Holand, Øystein Kumpula, Jouko |
author_sort |
Paoli, Amélie |
title |
Early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer |
title_short |
Early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer |
title_full |
Early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer |
title_fullStr |
Early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer |
title_full_unstemmed |
Early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer |
title_sort |
early‐life conditions determine the between‐individual heterogeneity in plasticity of calving date in reindeer |
publisher |
Wiley |
publishDate |
2019 |
url |
http://dx.doi.org/10.1111/1365-2656.13096 https://onlinelibrary.wiley.com/doi/pdf/10.1111/1365-2656.13096 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/1365-2656.13096 https://besjournals.onlinelibrary.wiley.com/doi/pdf/10.1111/1365-2656.13096 |
genre |
Rangifer tarandus |
genre_facet |
Rangifer tarandus |
op_source |
Journal of Animal Ecology volume 89, issue 2, page 370-383 ISSN 0021-8790 1365-2656 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/1365-2656.13096 |
container_title |
Journal of Animal Ecology |
container_volume |
89 |
container_issue |
2 |
container_start_page |
370 |
op_container_end_page |
383 |
_version_ |
1800737218057207808 |