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The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos) / ANNABELLE HEALY

Swansea University Author: ANNABELLE HEALY

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Abstract

Anthropomorphic activities such as burning of fossil fuels are causing an accelerated form of climate change which is increasing global temperature, altering rainfall patterns, and increasing rates of climatic instability. In tropical regions, temperatures are rising, and rainfall is becoming less p...

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Published: Swansea 2022
Institution: Swansea University
Degree level: Master of Research
Degree name: MRes
Supervisor: Nichols, Hazel ; King, Andrew
URI: https://cronfa.swan.ac.uk/Record/cronfa59923
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first_indexed 2022-04-29T11:52:57Z
last_indexed 2022-04-30T03:30:56Z
id cronfa59923
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spelling 2022-04-29T13:12:56.7047816 v2 59923 2022-04-29 The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos) ed5661c0a0be14ce8ae4095cb0aa0eda ANNABELLE HEALY ANNABELLE HEALY true false 2022-04-29 Anthropomorphic activities such as burning of fossil fuels are causing an accelerated form of climate change which is increasing global temperature, altering rainfall patterns, and increasing rates of climatic instability. In tropical regions, temperatures are rising, and rainfall is becoming less predictable, with increases in flooding and droughts. However, we know little about the impacts of changes in temperature and rainfall on the demography of wild animals, particularly communally breeding species. Banded mongooses provide a good opportunity to understand climate change impacts as their prey abundance decreases when there is less rainfall, impacting the foraging behaviours of the species. However, there is little knowledge on the direct impacts of climate change on the reproductive demography of the species. Here I use reproductive data collected from a long-term field project on banded mongooses in Uganda, where there are two rainy seasons per year with relatively dry periods in between. I find that there is variation between rainy seasons in the amount of rainfall that occurs, but being equatorial, there is little seasonal change in temperature. I find that reproduction in banded mongooses follows seasonal changes, with breeding peaking during rainy seasons and at lower temperatures. Over the 19-year study period, the number of females giving birth and the number of pups produced are highest in rainy seasons with high rainfall but tend to decrease in rainy seasons with elevated temperature. My results demonstrate that reproduction in banded mongooses is likely responding to climate change, and with the risk of future temperatures rising further, the number of pups born into the population may decrease over time. Understanding exactly how climate change affects a population allows for better monitoring in seasons when climate conditions are predicted to be worse. E-Thesis Swansea Climate change, banded mongoose, Uganda, rainfall, Temperature, Breeding demography 13 4 2022 2022-04-13 COLLEGE NANME COLLEGE CODE Swansea University Nichols, Hazel ; King, Andrew Master of Research MRes 2022-04-29T13:12:56.7047816 2022-04-29T12:50:16.8507155 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences ANNABELLE HEALY 1 59923__23932__f6131b8184a443b7bfdf1943ea1924e3.pdf Healy_Annabelle_MRes_Thesis_Final_Redacted_Signature.pdf 2022-04-29T13:01:25.7791528 Output 1645517 application/pdf E-Thesis – open access true Copyright: The author, Annabelle Healy, 2022. true eng
title The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos)
spellingShingle The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos)
ANNABELLE HEALY
title_short The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos)
title_full The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos)
title_fullStr The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos)
title_full_unstemmed The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos)
title_sort The impact of climate change on the reproductive demography of the banded mongoose (Mungos mungos)
author_id_str_mv ed5661c0a0be14ce8ae4095cb0aa0eda
author_id_fullname_str_mv ed5661c0a0be14ce8ae4095cb0aa0eda_***_ANNABELLE HEALY
author ANNABELLE HEALY
author2 ANNABELLE HEALY
format E-Thesis
publishDate 2022
institution Swansea University
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 Anthropomorphic activities such as burning of fossil fuels are causing an accelerated form of climate change which is increasing global temperature, altering rainfall patterns, and increasing rates of climatic instability. In tropical regions, temperatures are rising, and rainfall is becoming less predictable, with increases in flooding and droughts. However, we know little about the impacts of changes in temperature and rainfall on the demography of wild animals, particularly communally breeding species. Banded mongooses provide a good opportunity to understand climate change impacts as their prey abundance decreases when there is less rainfall, impacting the foraging behaviours of the species. However, there is little knowledge on the direct impacts of climate change on the reproductive demography of the species. Here I use reproductive data collected from a long-term field project on banded mongooses in Uganda, where there are two rainy seasons per year with relatively dry periods in between. I find that there is variation between rainy seasons in the amount of rainfall that occurs, but being equatorial, there is little seasonal change in temperature. I find that reproduction in banded mongooses follows seasonal changes, with breeding peaking during rainy seasons and at lower temperatures. Over the 19-year study period, the number of females giving birth and the number of pups produced are highest in rainy seasons with high rainfall but tend to decrease in rainy seasons with elevated temperature. My results demonstrate that reproduction in banded mongooses is likely responding to climate change, and with the risk of future temperatures rising further, the number of pups born into the population may decrease over time. Understanding exactly how climate change affects a population allows for better monitoring in seasons when climate conditions are predicted to be worse.
published_date 2022-04-13T04:17:35Z
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score 11.037581

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