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Keywords: Water loss
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Journal Articles
J Exp Biol (2021) 224 (14): jeb242647.
Published: 22 July 2021
... design to measure the acclimation response of preferred body temperature ( T p ), and the thermal performance curve of resting metabolic rate (RMR) and evaporative water loss (EWL). Our results showed that plasticity differs among traits: whereas T p and EWL showed lower values in warm conditions...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (5): jeb219378.
Published: 06 March 2020
... our understanding of animal responses to environmental heat is crucial. To address this, I measured the water loss, body temperature and metabolism of an Australian marsupial during a simulated heatwave. The body temperature of the common ringtail possum Pseudocheirus peregrinus increased passively...
Journal Articles
J Exp Biol (2018) 221 (18): jeb182501.
Published: 17 September 2018
... ventilation patterns. Despite significant attention, however, the precise role of these ventilation patterns remains uncertain. Here, we determined the allometric scaling of metabolic rate and respiratory water loss in the red wood ant, as well as assessing the effect of movement upon metabolic rate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (11): jeb176438.
Published: 07 June 2018
...Alex M. Champagne; Victoria A. Pigg; Heather C. Allen; Joseph B. Williams ABSTRACT To survive high temperatures in a terrestrial environment, animals must effectively balance evaporative heat loss and water conservation. In passerine birds, cutaneous water loss (CWL) is the primary avenue of water...
Journal Articles
J Exp Biol (2014) 217 (21): 3823–3833.
Published: 01 November 2014
... tolerant than males, surviving for longer periods than males under all experimental conditions. In addition, younger adults were more tolerant of desiccation than older groups. Both species showed reduced water loss rate (WLR) as the primary mechanism by which they tolerate desiccation. Although...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (17): 3126–3134.
Published: 01 September 2012
... test the hypothesis that mortality is caused by insufficient energy stores in the liver, abdominal fat bodies, tail or carcass or through excessive water loss. We found that lizards that died naturally had marginally greater mass loss, lower water content, and less liver glycogen remaining than living...
Journal Articles
J Exp Biol (2012) 215 (13): 2301–2307.
Published: 01 July 2012
.... * Author for correspondence ( jst@sun.ac.za ) 7 2 2012 13 3 2012 © 2012. 2012 ventilation water loss passive suction ventilation diffusion insect metabolic rate Several authors have demonstrated that a comprehensive understanding of gas exchange dynamics in insects...
Journal Articles
J Exp Biol (2008) 211 (12): 1903–1910.
Published: 15 June 2008
... mol l –1 and 1 mol l –1 total osmolytes, respectively. However, in addition to osmolyte accumulation, the gradually desiccated cocoons also tolerated a higher degree of water loss, demonstrating that gradually dehydrated D . octaedra cocoons are able to survive loss of ∼95% of the original water...
Journal Articles
J Exp Biol (2007) 210 (5): 741–749.
Published: 01 March 2007
... animals to adjust the rate of evaporation as a trade-off between avoiding overheating and avoiding dehydration. cloaca cutaneous evaporative water loss metabolism bird Inca dove Columbina inca Eurasian quail Coturnix coturnix © The Company of Biologists Limited 2007 2007 2...
Journal Articles
J Exp Biol (2005) 208 (6): 1161–1173.
Published: 15 March 2005
...), since its elasticity assured secure seals at fittings when the chamber was being vigorously shaken. Because of Tygon tubing's hygroscopic properties (J. R. B. Lighton, personal communication), temporal response for water loss is much slower and the values less trustworthy; we therefore do not report...
Journal Articles
J Exp Biol (2004) 207 (25): 4463–4471.
Published: 01 December 2004
...John R. B. Lighton; Pablo E. Schilman; David A. Holway SUMMARY Partitioning the relative contributions of cuticular and respiratory water loss in a tracheate arthropod is relatively easy if it undergoes discontinuous gas exchange cycles or DGCs, leaving its rate of cuticular water loss in primary...
Journal Articles
J Exp Biol (2004) 207 (9): 1509–1521.
Published: 01 April 2004
..., decreased in the same order. The least chill-tolerant insects (LD) showed the highest rate of body-water loss. Most of the water was lost from the haemolymph compartment. The ability to regulate a certain fraction of ion pools into the hindgut fluid was the highest in the SDA group, medium in the SD group...
Journal Articles
J Exp Biol (2004) 207 (6): 963–971.
Published: 22 February 2004
...) is upregulated by desiccation, but the water loss threshold for Hsp expression changes at different rates of dehydration. Continued desiccation results in the prolonged expression of both Hsp23 and Hsp70, which may contribute to the delayed adult eclosion noted in samples desiccated for more than 3 days at <5...
Journal Articles
J Exp Biol (2003) 206 (20): 3547–3556.
Published: 15 October 2003
...Steven L. Chown; Adrian L. V. Davis SUMMARY Respiratory water loss in insects is a controversial topic. Whilst earlier studies considered respiratory transpiration a significant component of overall water loss, to the extent that it was thought to be responsible not only for the evolution...
Journal Articles
J Exp Biol (2003) 206 (16): 2779–2786.
Published: 15 August 2003
...Donna G. Folk; Timothy J. Bradley SUMMARY We have investigated water loss from, and ion regulation within, the hemolymph and tissues of five replicate populations of Drosophila melanogaster that have undergone laboratory selection for enhanced desiccation resistance (i.e. the D populations). We...
Journal Articles
J Exp Biol (2003) 206 (7): 1183–1192.
Published: 01 April 2003
... of water loss. To understand mechanisms of water retention in greater detail, we investigated the three main routes by which Drosophila lose water: excretion, cuticular transpiration and respiratory loss through the spiracles. Excretory losses comprised <6% of total water flux and did not differ between...
Journal Articles
J Exp Biol (2002) 205 (14): 2115–2124.
Published: 15 July 2002
... and resistance to water loss and for possible links between these adaptations. Mid-winter-acclimated supranivean D. spinosa and Periclistus pirata had lower supercooling points (-38 to -40°C)and higher hemolymph osmolalities (1760-1849 mosmol kg -1 ) than subnivean D. polita, D. gracilis, D. radicum...
Journal Articles
J Exp Biol (2001) 204 (13): 2331–2338.
Published: 01 July 2001
... analysis of water balance in Drosophila species from different habitats. Desert (cactophilic) species were more resistant to desiccation than mesic ones. This resistance could be accomplished in three ways: by increasing the amount of water in the body, by reducing rates of water loss or by tolerating...
Journal Articles
J Exp Biol (1991) 159 (1): 269–283.
Published: 01 September 1991
...NEIL F. HADLEY; MICHAEL C. QUINLAN; MICHAEL L. KENNEDY Using plant xylem water for evaporative cooling, the desert cicada Diceroprocta apache can maintain a body temperature as much as 5°C below ambient ( T a =42°C). Simultaneous measurements of water loss and gas exchange for cicadas feeding...
Journal Articles
J Exp Biol (1990) 151 (1): 71–82.
Published: 01 July 1990
... equivalent in C. detritus and C. vicinus, the ventilation rate of C. detritus was fourfold lower, significantly reducing predicted respiratory water loss rates. Ventilation rate was presumably modulated by V co2 , and low ventilation frequency was maintained in part by significant gas exchange during...