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Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i>

Monil Khera, Kevin Arbuckle Orcid Logo, Francis Mwanguhya, Michael A Cant Orcid Logo, Hazel Nichols Orcid Logo

Behavioral Ecology, Volume: 36, Issue: 2, Start page: araf007

Swansea University Authors: Monil Khera, Kevin Arbuckle Orcid Logo, Hazel Nichols Orcid Logo

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DOI (Published version): 10.1093/beheco/araf007

Abstract

Reproduction is an energetically costly activity and so is often timed to occur when conditions are most favorable. However, human-induced changes in long-term, seasonal, and short-term climatic conditions have imposed negative consequences for reproduction across a range of mammals. Whilst the effe...

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Published in: Behavioral Ecology
ISSN: 1045-2249 1465-7279
Published: Oxford University Press (OUP) 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa68736
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Females cannot, however, carry and raise pups over the course of a single wet season, so females face a trade-off in reproductive timing between maximizing resource availability during gestation or the early life of pups, but not both. Since the duration of the wet seasons is predicted to increase with climate change, the optimum conditions for banded mongoose reproduction may be extended. However, the potential benefits of extended wet seasons may be counteracted by the negative impacts of high temperatures on pup growth and survival. 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spelling 2025-02-27T15:23:44.0818527 v2 68736 2025-01-24 Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i> a63ca0b621b2f2b8d19f13db3f86b57f Monil Khera Monil Khera true false d1775d20b12e430869cc7be5d7d4a27e 0000-0002-9171-5874 Kevin Arbuckle Kevin Arbuckle true false 43ba12986bd7754484874c73eed0ebfe 0000-0002-4455-6065 Hazel Nichols Hazel Nichols true false 2025-01-24 MEDS Reproduction is an energetically costly activity and so is often timed to occur when conditions are most favorable. However, human-induced changes in long-term, seasonal, and short-term climatic conditions have imposed negative consequences for reproduction across a range of mammals. Whilst the effect of climate change on reproduction in temperate species is well known, its effect on equatorial species is comparatively understudied. We used long-term ecological data (~20 yr) to investigate the impact of changes in rainfall and temperature on reproduction in an equatorial mammal, the banded mongoose (Mungos mungo). After controlling for the effects of group-size, we found that more females were pregnant and gave birth following periods of high seasonal rainfall, pregnancies increased at higher seasonal temperatures, and births increased with long-term rainfall. This is likely beneficial as high rainfall is positively associated with pup growth and survival. Females cannot, however, carry and raise pups over the course of a single wet season, so females face a trade-off in reproductive timing between maximizing resource availability during gestation or the early life of pups, but not both. Since the duration of the wet seasons is predicted to increase with climate change, the optimum conditions for banded mongoose reproduction may be extended. However, the potential benefits of extended wet seasons may be counteracted by the negative impacts of high temperatures on pup growth and survival. Our results highlight the importance of seasonality in reproduction of tropical mammals and the complex impacts of anthropogenic climate change on recruitment in equatorial species. Journal Article Behavioral Ecology 36 2 araf007 Oxford University Press (OUP) 1045-2249 1465-7279 climate change; food availability; Mungos mungo; seasonal breeding; time series decomposition; tropics 1 3 2025 2025-03-01 10.1093/beheco/araf007 COLLEGE NANME Medical School COLLEGE CODE MEDS Swansea University SU Library paid the OA fee (TA Institutional Deal) Swansea University 2025-02-27T15:23:44.0818527 2025-01-24T11:52:57.1640535 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Monil Khera 1 Kevin Arbuckle 0000-0002-9171-5874 2 Francis Mwanguhya 3 Michael A Cant 0000-0002-1530-3077 4 Hazel Nichols 0000-0002-4455-6065 5 68736__33699__c35be04739484cea8dccb36372c5952f.pdf 68736.VOR.pdf 2025-02-27T15:18:26.0056267 Output 1437377 application/pdf Version of Record true © The Author(s) 2025. Published by Oxford University Press on behalf of the International Society for Behavioral Ecology. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY). true eng https://creativecommons.org/licenses/by/4.0/
title Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i>
spellingShingle Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i>
Monil Khera
Kevin Arbuckle
Hazel Nichols
title_short Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i>
title_full Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i>
title_fullStr Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i>
title_full_unstemmed Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i>
title_sort Reproduction is driven by seasonal environmental variation in an equatorial mammal, the banded mongoose <i>(Mungos mungo)</i>
author_id_str_mv a63ca0b621b2f2b8d19f13db3f86b57f
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author_id_fullname_str_mv a63ca0b621b2f2b8d19f13db3f86b57f_***_Monil Khera
d1775d20b12e430869cc7be5d7d4a27e_***_Kevin Arbuckle
43ba12986bd7754484874c73eed0ebfe_***_Hazel Nichols
author Monil Khera
Kevin Arbuckle
Hazel Nichols
author2 Monil Khera
Kevin Arbuckle
Francis Mwanguhya
Michael A Cant
Hazel Nichols
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container_title Behavioral Ecology
container_volume 36
container_issue 2
container_start_page araf007
publishDate 2025
institution Swansea University
issn 1045-2249
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doi_str_mv 10.1093/beheco/araf007
publisher Oxford University Press (OUP)
college_str Faculty of Science and Engineering
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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
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description Reproduction is an energetically costly activity and so is often timed to occur when conditions are most favorable. However, human-induced changes in long-term, seasonal, and short-term climatic conditions have imposed negative consequences for reproduction across a range of mammals. Whilst the effect of climate change on reproduction in temperate species is well known, its effect on equatorial species is comparatively understudied. We used long-term ecological data (~20 yr) to investigate the impact of changes in rainfall and temperature on reproduction in an equatorial mammal, the banded mongoose (Mungos mungo). After controlling for the effects of group-size, we found that more females were pregnant and gave birth following periods of high seasonal rainfall, pregnancies increased at higher seasonal temperatures, and births increased with long-term rainfall. This is likely beneficial as high rainfall is positively associated with pup growth and survival. Females cannot, however, carry and raise pups over the course of a single wet season, so females face a trade-off in reproductive timing between maximizing resource availability during gestation or the early life of pups, but not both. Since the duration of the wet seasons is predicted to increase with climate change, the optimum conditions for banded mongoose reproduction may be extended. However, the potential benefits of extended wet seasons may be counteracted by the negative impacts of high temperatures on pup growth and survival. Our results highlight the importance of seasonality in reproduction of tropical mammals and the complex impacts of anthropogenic climate change on recruitment in equatorial species.
published_date 2025-03-01T05:28:05Z
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