Consommation d'oxygene de la crevette japonaise, Penaeus japonicus , en fonction de l'oxygenation du milieu: Effects de la temperature et de l'acclimatation a des conditions ambiantes hypoxiques

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Éditeur(s) Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1985
Identifiant documentaire 9-1192
Identifiant OAI oai:archimer.ifremer.fr:1192
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Auteur(s): Truchot, J,Jouve, D
Mots clés Penaeus japonicus Malacostraca Juveniles Respiration Hypoxia Dissolved oxygen Temperature effects Oxygen consumption Crevettes Pénaeides Température Hypoxie Métabolisme respiratoire
Date de publication 01/12/1983
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Droits de réutilisation info:eu-repo/semantics/openAccess

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Oxygen consumption of juvenile prawns, Penaeus japonicus , was measured during the day at 4 temperatures (23, 26, 30 and 33 degree C) and at various oxygenation levels. For inactive prawns burrowed into sand, respiratory metabolism was maintained almost constant in hypoxia above a critical oxygen pressure of about 30-40 Torr. Data analysis according to a hyperbolic model indicates that the capacity for metabolic regulation was optimal between 26 and 30 degree C. Prawns acclimated 1-2 weeks at 20 degree C in moderate hypoxia (P sub(O2) around 50-55 Torr) showed a reinforced regulation of oxygen consumption when compared to normoxic controls.
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