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Keywords: DGC
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Journal Articles
J Exp Biol (2015) 218 (16): 2510–2517.
Published: 1 August 2015
...Shu-Ping Huang; Stav Talal; Amir Ayali; Eran Gefen ABSTRACT The significance of discontinuous gas-exchange cycles (DGC) in reducing respiratory water loss (RWL) in insects is contentious. Results from single-species studies are equivocal in their support of the classic ‘hygric hypothesis...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (15): 2752–2760.
Published: 1 August 2014
... individuals compared with fed individuals at 21% oxygen. Fig. 3. Effects of feeding-induced changes in metabolic rate on measured respiratory characteristics. The change in burst volume (A), burst duration (B), discontinuous gas exchange cycle (DGC) period (C) and open phase CO 2 release rate (D...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (13): 2229–2231.
Published: 1 July 2014
.... Delayed t 1 values under both heliox and hyperoxia, compared with normoxic conditions, confirm that VMs during the closed phase of DGC serve to support tissue gas exchange by tracheal gas convection, and are triggered by decreasing oxygen levels in the tissues. Fig. 1. Simultaneous recording...
Journal Articles
J Exp Biol (2011) 214 (18): 3062–3073.
Published: 15 September 2011
... hyperventilation, or where ambient hypercapnia is in excess of haemolymph (>1% CO 2 ). In contrast, intratracheal O 2 levels fluctuated widely, but on average remained above 15% in normoxic (21% O 2 ) atmospheres. Decapitation caused the cockroaches to display discontinuous gas exchange cycles (DGCs...
Journal Articles
J Exp Biol (2009) 212 (17): 2773–2780.
Published: 1 September 2009
...Natalie G. Schimpf; Philip G. D. Matthews; Robbie S. Wilson; Craig R. White SUMMARY The reasons why many insects breathe discontinuously at rest are poorly understood and hotly debated. Three adaptive hypotheses attempt to explain the significance of these discontinuous gas exchange cycles (DGCs...
Journal Articles
J Exp Biol (2009) 212 (3): 424–428.
Published: 1 February 2009
...H. L. Contreras; T. J. Bradley SUMMARY The majority of scientific papers on the subject of respiratory patterns in insects have dealt with the discontinuous gas-exchange cycle (DGC). The DGC is characterized by the release of bursts of CO 2 from the insect,followed by extended periods of spiracular...
Journal Articles