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Type: Journal article
Title: Discontinuous ventilation in the rhinoceros beetle Oryctes Nasicornis: Direct and indirect calorimetry
Author: Lamprecht, I.
Seymour, R.
White, C.
Matthews, P.
Wadso, L.
Citation: Journal of Thermal Analysis and Calorimetry: an international forum for thermal studies, 2009; 95(3):743-747
Publisher: Akademiai Kiado Rt.
Issue Date: 2009
ISSN: 1388-6150
Statement of
I. Lamprecht, R. S. Seymour, C. R. White, P. G. D. Matthews and L. Wadsö
Abstract: Discontinuous gas exchange cycles (DGCs) are frequently observed with insects, i.e. oxygen take up and carbon dioxide release occur interrupted by periods of a few minutes up to many hours. The paper presents direct and indirect calorimetric experiments on DGCs of the scarabid rhinoceros beetle Oryctes nasicornis. A direct/indirect calorimetric experiment is presented. Total and specific heat production rates amount to 0.56mWand 0.42mWg –1 in the first period without DGCs and to 0.43 mW (0.32 mW g –1 ) in the second phase, resp. The mean DGC amplitude is 0.184 mW and thus between 33 and 66% of the total turnover.
Keywords: calorimetry
discontinuous gas exchange cycles (DGC)
DOI: 10.1007/s10973-008-9409-0
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Appears in Collections:Aurora harvest
Earth and Environmental Sciences publications

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