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Keywords: Desert
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Journal Articles
J Exp Biol jeb.245149.
Published: 25 January 2023
... role in insects. In this study, we investigated the effect of trehalose on heat tolerance in the Namib desert ant, Ocymyrmex robustior , one of the most thermotolerant animals found in terrestrial ecosystems. First, we tested whether a trehalose-supplemented diet increased worker survival following...
Journal Articles
J Exp Biol (2021) 224 (10): jeb242535.
Published: 25 May 2021
... The authors declare no competing or financial interests. 9 3 2021 21 4 2021 © 2021. Published by The Company of Biologists Ltd 2021 The study was conducted at Kuruman River Reserve (KRR), located in the southern Kalahari Desert, 28 km west of Van Zylsrus town in the Northern Cape...
Journal Articles
J Exp Biol (2018) 221 (21): jeb189308.
Published: 29 October 2018
.... , Korine , C. and Holderied , M. W. ( 2014 ). A whispering bat that screams: bimodal switch of foraging guild from gleaning to aerial hawking in the desert long-eared bat . J. Exp. Biol.   217 , 3028 - 3032 . 10.1242/jeb.100362 Hackett , T. D. , Holderied , M. W. and Korine...
Journal Articles
J Exp Biol (2016) 219 (22): 3649–3655.
Published: 15 November 2016
... to locomotor biomechanics in non-human vertebrates. The secondarily diurnal gecko, Rhoptropus afer , shows changes in speed and posture in low light conditions. Visual acuity Locomotion Performance Kinematics Vision Gekkonidae Desert Fog Stability Lizard Compared with its behaviour...
Journal Articles
J Exp Biol (2012) 215 (24): 4299–4307.
Published: 15 December 2012
... (CWL) in birds. We compared CWL and intercellular SC lipid composition in 20 species of birds from desert and mesic environments. Furthermore, we compared covalently bound lipids with CWL and intercellular lipids in the lark family (Alaudidae). We found that CWL increases in birds from more mesic...
Journal Articles
J Exp Biol (2012) 215 (22): 3917–3924.
Published: 15 November 2012
... brain and carotid blood temperature, using implanted data loggers, in five Arabian oryx ( Oryx leucoryx ) in the desert of Saudi Arabia. On average, brain temperature was 0.24±0.05°C lower than carotid blood temperature for four oryx in April. Selective brain cooling was enhanced in our Arabian oryx...
Journal Articles
J Exp Biol (2012) 215 (7): 1170–1177.
Published: 1 April 2012
... cutaneous water loss ontogeny nestlings desert Although the skin is the largest organ of the vertebrate body, its significance is underappreciated. It is involved in a number of complex physiological processes, including protection from invading pathogens, vitamin D production, lipid synthesis...
Journal Articles
J Exp Biol (2008) 211 (10): 1690–1695.
Published: 15 May 2008
... be crucial for the establishment of a competent permeability barrier. In this study we assessed the composition of covalently bound lipids of the avian SC and their relationship to cutaneous water loss (CWL) in two populations of house sparrows, one living in the deserts of Saudi Arabia and the other...
Journal Articles
J Exp Biol (2006) 209 (8): 1421–1429.
Published: 15 April 2006
...Stéphane Ostrowski; Joseph B. Williams SUMMARY To test whether free-living desert ungulates employ heterothermy to reduce water loss, we measured core body temperature ( T b ) of six free-living Arabian sand gazelles ( Gazella subgutturosa marica ), a small desert antelope (12–20 kg) that lives...
Journal Articles
J Exp Biol (2005) 208 (19): 3689–3700.
Published: 1 October 2005
... serves as a barrier to water vapor diffusion through the skin. We measured cutaneous water loss (CWL) in two populations of house sparrow Passer domesticus L., one living in a desert environment in Saudi Arabia, and another living in a mesic environment in Ohio, USA. We found that CWL rates at 30°C were...
Journal Articles
J Exp Biol (2003) 206 (9): 1471–1478.
Published: 1 May 2003
...Stéphane Ostrowski; Joseph B. Williams; Khairi Ismael SUMMARY To test the idea that large, free-living, desert ungulates use heterothermy to reduce water loss, we measured core body temperature( T b ) of six free-ranging, adult Arabian oryx ( Oryx leucoryx ) during 2 years in the arid desert...
Journal Articles
J Exp Biol (2001) 204 (13): 2331–2338.
Published: 1 July 2001
...Allen G. Gibbs; Luciano M. Matzkin SUMMARY Fruit flies of the genus Drosophila have independently invaded deserts around the world on numerous occasions. To understand the physiological mechanisms allowing these small organisms to survive and thrive in arid environments, we performed a phylogenetic...
Journal Articles
J Exp Biol (1991) 157 (1): 425–437.
Published: 1 May 1991
... loss. The water loss over the pronotal spiracles amounts to about 70 %, and is thus the dominant component of transpiratory water loss in these beetles. 30 11 1990 © 1991 by Company of Biologists 1991 Coleóptera desert water balance cuticular permeability Phrynocolus petrosus...