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Comparaison de la respiration chez Ruditapes decussatus (L.) et R. philippinarum (Adams & Reeve) en fonction de la température ArchiMer
Bodoy, Alain; Riva, Alain; Maitre-allain, Thierry.
Measurements of oxygen consumption in the two species Ruditapes decussatus and Ruditapes phi/ippinarum were perfonned using hatchery-reared juveniles, grown under controlled conditions. The temperature range varied from 10 to 30°C. The linear relations between the logarithms of the dry weight and of the oxygen consumption were calculated for each species. Rates were compared in terms of standardized clam tissue weight calculated from the regression of respiration on tissue weight. Such a technique allows to make comparisons between the species by avoiding any interference from the variations in individual weight. Within this range of temperature, oxygen consumption of R. philippinarum and of R. decussatus exhibit the same variations, with a maximum at...
Tipo: Text Palavras-chave: Temperature; Oxygen consumption; Ruditapes philippinarum; Ruditapes decussatus; Température; Consommation oxygène; Ruditapes philippinarum; Ruditapes decussatus.
Ano: 1986 URL: http://archimer.ifremer.fr/doc/1986/publication-2963.pdf
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Influence de la température sur la filtration et la consommation d'oxygène de l'huître plate Ostrea edulis: détermination des coefficients allométriques ArchiMer
Haure, Joel; Penisson, Christian; Bougrier, Serge; Baud, Jean-pierre.
La filtration et la consommation d'oxygène d'Ostrea edulis ont été mesurées à différentes températures (10°-30°C) sur des individus de 5 à 120g de poids total (0,1 à 2,7g de poids sec) et hors période de gamétogénèse. Pour chaque température, la relation allométrique entre la réponse physiologique et le poids sec de l'animal (W) a été estimée selon la relation: y=aWb. Un modèle statistique est proposé pour expliquer la filtration ou la consommation d'oxygène (y) en fonction de la température (T) et du poids sec de l'animal (W): y=[a+(b.cT)]. Wd.d est égal à 0,62 pour la filtration et à 0,74 pour la consommation d'oxygène. Les deux fonctions physiologiques augmentent avec l'élévation de la température et atteignent leur maximum à 30°C ( Filtration:...
Tipo: Text Palavras-chave: Filtration; Consommation oxygène; Poids sec; Température; Ostrea edulis.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00048/15886/13308.pdf
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Première série de résultats sur la toxicité du pétrole brut de l'Amoco Cadiz ArchiMer
Le Roux, S.; Lucas, A..
The effects of crude oil from Amoco Cadiz upon gametes larvae and ju­veniles of mussels Mytilus edulis are studied. They are compared with effects of Koweït crude (standard of the FPI). Toxical effects upon fécondation rate and embryonnary development are observed. Oxygen consumption and grazing rate vary also when mussels are treated with water soluble fraction of crude oil.
Tipo: Text Palavras-chave: MytiLus; Pétrole brut; Toxicité; Consommation oxygène; Taux de fécondation; MytiLus; Crude oil; Toxicity; Oxygen consumption; Fecondation rate.
Ano: 1978 URL: http://archimer.ifremer.fr/doc/00306/41730/40941.pdf
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