Seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk
Flexibility in activity timing may enable organisms to quickly adapt to environmental changes. Under global warming, diurnally adapted endotherms may achieve a better energy balance by shifting their activity towards cooler nocturnal hours. However, this shift may expose animals to new or increased...
Published in: | Proceedings of the Royal Society B: Biological Sciences |
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Online Access: | http://dx.doi.org/10.1098/rspb.2023.1587 https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2023.1587 https://royalsocietypublishing.org/doi/full-xml/10.1098/rspb.2023.1587 |
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crroyalsociety:10.1098/rspb.2023.1587 2024-10-13T14:06:33+00:00 Seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk Brivio, Francesca Apollonio, Marco Anderwald, Pia Filli, Flurin Bassano, Bruno Bertolucci, Cristiano Grignolio, Stefano PRIN European Union 2024 http://dx.doi.org/10.1098/rspb.2023.1587 https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2023.1587 https://royalsocietypublishing.org/doi/full-xml/10.1098/rspb.2023.1587 en eng The Royal Society http://creativecommons.org/licenses/by/4.0/ http://creativecommons.org/licenses/by/4.0/ Proceedings of the Royal Society B: Biological Sciences volume 291, issue 2015 ISSN 0962-8452 1471-2954 journal-article 2024 crroyalsociety https://doi.org/10.1098/rspb.2023.1587 2024-09-17T04:34:47Z Flexibility in activity timing may enable organisms to quickly adapt to environmental changes. Under global warming, diurnally adapted endotherms may achieve a better energy balance by shifting their activity towards cooler nocturnal hours. However, this shift may expose animals to new or increased environmental challenges (e.g. increased predation risk, reduced foraging efficiency). We analysed a large dataset of activity data from 47 ibex ( Capra ibex ) in two protected areas, characterized by varying levels of predation risk (presence versus absence of the wolf— Canis lupus ). We found that ibex increased nocturnal activity following warmer days and during brighter nights. Despite the considerable sexual dimorphism typical of this species and the consequent different predation-risk perception, males and females demonstrated consistent responses to heat in both predator-present and predator-absent areas. This supports the hypothesis that shifting activity towards nighttime may be a common strategy adopted by diurnal endotherms in response to global warming. As nowadays different pressures are pushing mammals towards nocturnality, our findings emphasize the urgent need to integrate knowledge of temporal behavioural modifications into management and conservation planning. Article in Journal/Newspaper Canis lupus The Royal Society Proceedings of the Royal Society B: Biological Sciences 291 2015 |
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The Royal Society |
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crroyalsociety |
language |
English |
description |
Flexibility in activity timing may enable organisms to quickly adapt to environmental changes. Under global warming, diurnally adapted endotherms may achieve a better energy balance by shifting their activity towards cooler nocturnal hours. However, this shift may expose animals to new or increased environmental challenges (e.g. increased predation risk, reduced foraging efficiency). We analysed a large dataset of activity data from 47 ibex ( Capra ibex ) in two protected areas, characterized by varying levels of predation risk (presence versus absence of the wolf— Canis lupus ). We found that ibex increased nocturnal activity following warmer days and during brighter nights. Despite the considerable sexual dimorphism typical of this species and the consequent different predation-risk perception, males and females demonstrated consistent responses to heat in both predator-present and predator-absent areas. This supports the hypothesis that shifting activity towards nighttime may be a common strategy adopted by diurnal endotherms in response to global warming. As nowadays different pressures are pushing mammals towards nocturnality, our findings emphasize the urgent need to integrate knowledge of temporal behavioural modifications into management and conservation planning. |
author2 |
PRIN European Union |
format |
Article in Journal/Newspaper |
author |
Brivio, Francesca Apollonio, Marco Anderwald, Pia Filli, Flurin Bassano, Bruno Bertolucci, Cristiano Grignolio, Stefano |
spellingShingle |
Brivio, Francesca Apollonio, Marco Anderwald, Pia Filli, Flurin Bassano, Bruno Bertolucci, Cristiano Grignolio, Stefano Seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk |
author_facet |
Brivio, Francesca Apollonio, Marco Anderwald, Pia Filli, Flurin Bassano, Bruno Bertolucci, Cristiano Grignolio, Stefano |
author_sort |
Brivio, Francesca |
title |
Seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk |
title_short |
Seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk |
title_full |
Seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk |
title_fullStr |
Seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk |
title_full_unstemmed |
Seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk |
title_sort |
seeking temporal refugia to heat stress: increasing nocturnal activity despite predation risk |
publisher |
The Royal Society |
publishDate |
2024 |
url |
http://dx.doi.org/10.1098/rspb.2023.1587 https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2023.1587 https://royalsocietypublishing.org/doi/full-xml/10.1098/rspb.2023.1587 |
genre |
Canis lupus |
genre_facet |
Canis lupus |
op_source |
Proceedings of the Royal Society B: Biological Sciences volume 291, issue 2015 ISSN 0962-8452 1471-2954 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1098/rspb.2023.1587 |
container_title |
Proceedings of the Royal Society B: Biological Sciences |
container_volume |
291 |
container_issue |
2015 |
_version_ |
1812812739087695872 |