The effect of ambient temperature on locomotor activity patterns in reproductive and non-reproductive female Damaraland mole-rats

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dc.contributor.author Oosthuizen, Maria Kathleen
dc.contributor.author Bennett, Nigel C., 1961-
dc.date.accessioned 2015-09-30T08:45:20Z
dc.date.issued 2015-09
dc.description.abstract The subterranean niche is a specialized environment that presents its inhabitants with a unique set of microclimatic conditions. African mole-rats are strictly subterranean and exhibit a continuum of sociality ranging from solitary to highly social. Colonies of the Damaraland mole-rat comprise of a dominant breeding or reproductive female and one or two male consorts and a number of subordinate and non-reproductive individuals of both sexes. In this study we investigated the locomotor activity patterns of reproductive and non-reproductive female Damaraland mole-rats with the intention to investigate daily timing of activity and activity levels with changes in ambient temperature, and also whether activity would differ between the reproductive castes at different ambient temperatures. The Damaraland mole-rats displayed predominantly nocturnal activity at all three temperatures, and the levels of activity were different for all three temperatures tested. Molerats exhibited the lowest levels of activity at 30ºC, they are most active at 25ºC while they display intermediate levels of activity at 20ºC. Despite exhibiting the majority of their activity during the night, non-reproductive females display significantly more day time activity compared to the reproductive females at all three temperatures. Nocturnal activity is comparable between reproductive and non-reproductive animals at 20 ºC and 25 ºC, but not at 30 ºC. Daily locomotor activity rhythms of the Damaraland mole-rats appear to be relatively flexible and respond to comparatively small changes in ambient temperatures. Differences in daily activity between reproductive and non-reproductive animals may emphasize the existence of physiological and morphological castes in the Damaraland mole-rat. en_ZA
dc.description.embargo 2016-09-30
dc.description.librarian hb2015 en_ZA
dc.description.sponsorship DST-NRF for funding the South African Research Chair of Mammalian Behavioural Ecology and Physiology to NCB. en_ZA
dc.description.uri http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1469-7998 en_ZA
dc.identifier.citation Oosthuizen, MK & Bennett, NC 2015, 'The effect of ambient temperature on locomotor activity patterns in reproductive and non-reproductive female Damaraland mole-rats', Journal of Zoology, vol. 297, no. 1, pp. 1-8. en_ZA
dc.identifier.issn 0952-8369 (print)
dc.identifier.issn 1469-7998 (online)
dc.identifier.other 10.1111/jzo.12254
dc.identifier.uri http://hdl.handle.net/2263/50112
dc.language.iso en en_ZA
dc.publisher Wiley en_ZA
dc.rights © 2015 The Zoological Society of London. This is the pre-peer reviewed version of the following article : The effect of ambient temperature on locomotor activity patterns in reproductive and non-reproductive female Damaraland mole-rats, Journal of Zoology, vol. 297, no. 1, pp. 1-8, 2015. doi : 10.1111/jzo.12254. The definite version is available at : http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1469-7998. en_ZA
dc.subject Ambient temperature en_ZA
dc.subject Damaraland mole-rat (Fukomys damarensis) en_ZA
dc.subject Fukomys damarensis en_ZA
dc.subject Locomotor activity en_ZA
dc.subject Non-reproductive en_ZA
dc.subject Reproductive en_ZA
dc.title The effect of ambient temperature on locomotor activity patterns in reproductive and non-reproductive female Damaraland mole-rats en_ZA
dc.type Postprint Article en_ZA


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