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Composition biochimique et contenu énergétique du tégument de l'holothurie Neopentadactyla mixta (Echinodermata)
Ghyoot, M.; Van Impe, E.; Jangoux, M. (1990). Composition biochimique et contenu énergétique du tégument de l'holothurie Neopentadactyla mixta (Echinodermata), in: De Ridder, C. et al. (Ed.) Echinoderm Research. Proceedings of the Second European Conference on Echinoderms, Brussels, Belgium, 18-21 September 1989. pp. 171-175
In: De Ridder, C. et al. (1990). Echinoderm Research: Proceedings of the Second European Conference on Echinoderms, Brussels, Belgium, 18-21 September 1989. A.A. Balkema: Rotterdam, Brookfield. ISBN 90-6191-141-9. 343 pp., more
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Document type: Conference paper
Keywords
    Composition > Biochemical composition
    Neopentadactyla mixta (Östergren, 1898) Deichmann, 1944 [WoRMS]
    Marine/Coastal
Authors  Top 
  • Ghyoot, M.
  • Van Impe, E.
  • Jangoux, M., more
Abstract
    The body wall of an average individual of Neopentadactyla mixta (mean weight of body wall: 1539 +/- 465 mg dry wt; range: 541 to 2394 mg dry wt; number of individuals: 50; period of sampling: March 1986 to February 1987) consists of 74% ash-free organic matter which corresponds to ea. 17. 4 kJ g dry wt. The obtained results suggest the total energy content of the body wall increases from the end of the hibernation period up to the starting of the gonadal growth and decreases from the latter period up to the end of the next hibernation period. It is suggested N. mixta uses part of the energy content of its body wall for reproduction, and that the energy cost of the hibernation period could be entirely supported by the integument.
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