Social and Seasonal Factors Contribute to Shifts in Male African Elephant (<i>Loxodonta africana</i>) Foraging and Activity Patterns in Kruger National Park, South Africa

African savannah elephants (<i>Loxodonta africana</i>) are well-known as ecosystem engineers with the ability to modify vegetation structure. The present study aimed to examine how male elephant foraging behaviour is affected across (a) season (wet versus dry); (b) time of day (before or...

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Autores principales: Kara du Plessis, Stefanie Birgit Ganswindt, Henk Bertschinger, Bruce Crossey, Michelle Deborah Henley, Mmatsawela Ramahlo, André Ganswindt
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:cc2bc3f81de541ada23ff4932edbe7ff2021-11-25T16:14:30ZSocial and Seasonal Factors Contribute to Shifts in Male African Elephant (<i>Loxodonta africana</i>) Foraging and Activity Patterns in Kruger National Park, South Africa10.3390/ani111130702076-2615https://doaj.org/article/cc2bc3f81de541ada23ff4932edbe7ff2021-10-01T00:00:00Zhttps://www.mdpi.com/2076-2615/11/11/3070https://doaj.org/toc/2076-2615African savannah elephants (<i>Loxodonta africana</i>) are well-known as ecosystem engineers with the ability to modify vegetation structure. The present study aimed to examine how male elephant foraging behaviour is affected across (a) season (wet versus dry); (b) time of day (before or after noon); (c) presence or absence of other elephants; and (d) reproductive state (musth versus no musth). Six radio-collared adult elephant bulls were observed twice per week from June 2007–June 2008 in Kruger National Park (KNP), South Africa. Using generalized linear mixed effect modeling, results indicate that elephant bulls graze more during the wet season and browse more during the dry season. To potentially offset the costs associated with thermoregulation during the heat of the day, KNP elephants spent more time foraging during the morning, and more time resting during the afternoon. Male elephants also foraged significantly less when they were associated with females compared to when they were alone or with other males. This is likely due to male–female associations formed mainly for reproductive purposes, thus impeding on male foraging behaviours. In contrast, the condition of musth, defined by the presence of related physical signs, had no significant effect on foraging behaviour.Kara du PlessisStefanie Birgit GanswindtHenk BertschingerBruce CrosseyMichelle Deborah HenleyMmatsawela RamahloAndré GanswindtMDPI AGarticlemega-herbivoresocialitygrazingbrowsingbimodal feedingdiet-switchingVeterinary medicineSF600-1100ZoologyQL1-991ENAnimals, Vol 11, Iss 3070, p 3070 (2021)
institution DOAJ
collection DOAJ
language EN
topic mega-herbivore
sociality
grazing
browsing
bimodal feeding
diet-switching
Veterinary medicine
SF600-1100
Zoology
QL1-991
spellingShingle mega-herbivore
sociality
grazing
browsing
bimodal feeding
diet-switching
Veterinary medicine
SF600-1100
Zoology
QL1-991
Kara du Plessis
Stefanie Birgit Ganswindt
Henk Bertschinger
Bruce Crossey
Michelle Deborah Henley
Mmatsawela Ramahlo
André Ganswindt
Social and Seasonal Factors Contribute to Shifts in Male African Elephant (<i>Loxodonta africana</i>) Foraging and Activity Patterns in Kruger National Park, South Africa
description African savannah elephants (<i>Loxodonta africana</i>) are well-known as ecosystem engineers with the ability to modify vegetation structure. The present study aimed to examine how male elephant foraging behaviour is affected across (a) season (wet versus dry); (b) time of day (before or after noon); (c) presence or absence of other elephants; and (d) reproductive state (musth versus no musth). Six radio-collared adult elephant bulls were observed twice per week from June 2007–June 2008 in Kruger National Park (KNP), South Africa. Using generalized linear mixed effect modeling, results indicate that elephant bulls graze more during the wet season and browse more during the dry season. To potentially offset the costs associated with thermoregulation during the heat of the day, KNP elephants spent more time foraging during the morning, and more time resting during the afternoon. Male elephants also foraged significantly less when they were associated with females compared to when they were alone or with other males. This is likely due to male–female associations formed mainly for reproductive purposes, thus impeding on male foraging behaviours. In contrast, the condition of musth, defined by the presence of related physical signs, had no significant effect on foraging behaviour.
format article
author Kara du Plessis
Stefanie Birgit Ganswindt
Henk Bertschinger
Bruce Crossey
Michelle Deborah Henley
Mmatsawela Ramahlo
André Ganswindt
author_facet Kara du Plessis
Stefanie Birgit Ganswindt
Henk Bertschinger
Bruce Crossey
Michelle Deborah Henley
Mmatsawela Ramahlo
André Ganswindt
author_sort Kara du Plessis
title Social and Seasonal Factors Contribute to Shifts in Male African Elephant (<i>Loxodonta africana</i>) Foraging and Activity Patterns in Kruger National Park, South Africa
title_short Social and Seasonal Factors Contribute to Shifts in Male African Elephant (<i>Loxodonta africana</i>) Foraging and Activity Patterns in Kruger National Park, South Africa
title_full Social and Seasonal Factors Contribute to Shifts in Male African Elephant (<i>Loxodonta africana</i>) Foraging and Activity Patterns in Kruger National Park, South Africa
title_fullStr Social and Seasonal Factors Contribute to Shifts in Male African Elephant (<i>Loxodonta africana</i>) Foraging and Activity Patterns in Kruger National Park, South Africa
title_full_unstemmed Social and Seasonal Factors Contribute to Shifts in Male African Elephant (<i>Loxodonta africana</i>) Foraging and Activity Patterns in Kruger National Park, South Africa
title_sort social and seasonal factors contribute to shifts in male african elephant (<i>loxodonta africana</i>) foraging and activity patterns in kruger national park, south africa
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/cc2bc3f81de541ada23ff4932edbe7ff
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