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Comportement de Crassostrea angulata Lmk. sous des conditions experimentales de milieu. Resistance aux basses salinites.

Portuguese oysters, C. angulata from brood ponds at Arcachon (salinity 27-28ppt) were exposed to lowered salinities and their valve activity continuously recorded. Down to 2 ppt, normal activity was resumed within 24 hours, between 8 and 11%, oysters, survived and adapted slowly, below 8%, oysters died. Sexually mature oysters are more susceptible and may die at 10 to 8% salinity, perhaps because the gonad is full of gametes. Oysters from different localities probably respond differently to changed salinity.
Auteurs du document :
His, Edouard
Obtenir le document :
ISTPM
Mots clés :
Arcachon, Salinities, Crassostrea angulata, Portuguese oysters
Thème (issu du Text Mining) :
MILIEU NATUREL, INFORMATION - INFORMATIQUE
Date :
1972-03
Format :
text/xml
Source :
Revue des Travaux de l'Institut des Pêches Maritimes (0035-2276) (ISTPM), 1972-03 , Vol. 36 , N. 3 , P. 293-299
Langue :
Inconnu
Droits d'utilisation :
Ifremer, info:eu-repo/semantics/openAccess, restricted use
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