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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 ArchiMer
Truchot, J; Jouve, D.
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.
Tipo: Text Palavras-chave: Penaeus japonicus; Malacostraca; Juveniles; Respiration; Hypoxia; Dissolved oxygen; Temperature effects; Oxygen consumption; Crevettes Pénaeides; Température; Hypoxie; Métabolisme respiratoire.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1192.pdf
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Variabilite genetique de quelques especes de crevettes Peneides d'interet aquacole ArchiMer
Ko, G; Pasteur, N; Bonhomme, Francois; Liao, D.
Thirteen populations belonging to seven species of Penaeid prawns (Crustacea, Decapoda) were analyzed at 29 protein loci. The authors show that both inter and intrapopulational genetic diversity are very low. These results are discussed in view of their use as guidance for aquaculture programs.
Tipo: Text Palavras-chave: Penaeus kerathurus; Penaeus orientalis; Penaeus indicus; Penaeus monodon; Penaeus stylirostris; Penaeus japonicus; Penaeidae; Malacostraca; Prawn culture; Aquaculture development; Sexual reproduction; Biopolymorphism; Population genetics; Polymorphisme enzymatique; Variabilité génétique; Crevettes Pénaeides; Crustacés.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1186.pdf
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