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Browsing Research Articles (Zoology and Entomology) by Author "Van der Merwe, Ingrid"
Now showing items 1-8 of 8
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Van der Merwe, Ingrid; Tambling, Craig J.; Thorn, Michelle; Scott, Dawn M.; Yarnell, Richard W.; Green, Matthew; Cameron, Elissa Z.; Bateman, Philip W. (Zoological Society of Southern Africa, 2009-10)We used scat analysis to study the diet of two sympatric medium-sized carnivores: brown hyaena and black-backed jackal, in the NorthWest Province of South Africa. Seven major dietary categories were identified from the ...
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Van der Merwe, Ingrid; Oosthuizen, Maria Kathleen; Bennett, Nigel Charles; Chimimba, Christian Timothy (Wiley-Blackwell, 2012-08)We investigated locomotor activity rhythms in the little-studied wild-caught eastern rock sengi (Elephantulus myurus) from Goro Game Reserve, Limpopo Province, South Africa. To assess whether locomotor activity is ...
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Van der Merwe, Ingrid; Oosthuizen, Maria Kathleen; Chimimba, Christian Timothy; Bennett, Nigel Charles (Wiley-Blackwell, 2011-06)The circadian rhythm of locomotor activity in a southern African shrew, the reddish-grey musk shrew Crocidura cyanea was investigated. Thirteen individuals were subjected to three successive light cycles, each cycle ...
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Van der Merwe, Ingrid; Oosthuizen, Maria Kathleen; Ganswindt, Andre; Haim, Abraham; Bennett, Nigel Charles (Company of Biologists, 2017)Effects of photophase illuminance (1, 10, 100 and 330 lx of white incandescent lighting) on daily rhythms of locomotor activity, urine production and 6-sulfatoxymelatonin (6-SMT; 10 versus 330 lx) were studied in nocturnal ...
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Van der Merwe, Ingrid; Bennett, Nigel Charles; Haim, Abraham; Oosthuizen, Maria Kathleen (Royal Society, 2019-10)Many physiological and behavioural responses to varying qualities of light, particularly during the night (scotophase), have been well documented in rodents. We used varying wavelengths of day-time (photophase) lighting ...
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Van der Merwe, Ingrid; Bennett, Nigel Charles; Haim, Abraham; Oosthuizen, Maria Kathleen (NRC Research Press, 2014-12)The locomotor activity rhythms of wild-caught Namaqua rock mice (Micaelamys namaquensis (A. Smith, 1834)) were examined under four light-cycle regimes to quantitatively describe the daily expression of locomotor activity ...
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Van der Merwe, Ingrid; Bennett, Nigel Charles; Haim, Abraham; Ganswindt, Andre; Oosthuizen, Maria Kathleen (Elsevier, 2021-10)The quality and quantity of light changes significantly over the course of the day. The effect of light intensity on physiological and behavioural responses of animals has been well documented, particularly during the ...
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Van der Merwe, Ingrid; Lukats, Akos; Blahova, Veronika; Oosthuizen, Maria Kathleen; Bennett, Nigel Charles; Nemec, Pavel (Public Library of Science, 2018-08-09)We used immunocytochemistry to determine the presence and topographical density distributions of rods, cones, and intrinsically photosensitive retinal ganglion cells (ipRGCs) in the four-striped field mouse (Rhabdomys ...
Now showing items 1-8 of 8