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Introduction into France of the Japanese oyster ( Crassostrea gigas )
The Japanese oyster has been introduced in France on a large scale to replace cultivation of the Portuguese oyster, affected by a viral disease, with good growth rate and success of the natural setting on the French Atlantic coast attested to the success of this implantation. Expand
Decline of the Chesapeake Bay oyster population: a century of habitat destruction and overfishing
The oyster population in the Maryland portion ot Chesapeake Bay, USA, has declined by more than 50-Iold since the early part of this century. The paper presents evidence that the mechanicalExpand
Feeding behaviour of the mussel, Mytilus edulis : responses to variations in quantity and organic content of the seston
Mussels responses to changes in the food environment comprise physiological adjustments which result in higher net rates of absorption than would be predicted from considerations only of the organic/inorganic ratio of the suspended particles and assumptions of a non-compensating feeding behaviour. Expand
Novel observations underlying the fast growth of suspension-feeding shellfish in turbid environments: Mytilus edulis
Continuous interrelated changes in feeding physiology that help to maintain rates of nutrient acquisition independent of short-term fluctuations in seston composition are demonstrated. Expand
Effects of high natural seston concentrations on the feeding, selection, and absorption of the oyster Crassostrea gigas (Thunberg)
Feeding, selection and absorption were determined for the Pacific oyster Crassostrea gigas cultivated in the Bay of Marennes-Oleron, over a spring/neap tidal cycle. Physiological determinations wereExpand
Marine Molluscan Production Trends in France: From Fisheries to Aquaculture
The main activity in French shellflshing is culturing, which involves oysters, Grassostrea gigas, and Ostrea edulis; mussels, Mytilus Edulis and M. galloprovincialis; and to a lesser extent the scallop, Pecten maximus, and the exotic Manila clam, Tapes philippinarum. Expand
No influence of food quality, but ration-dependent retention efficiencies in the Japanese oyster Crassostrea gigas
The Japanese oyster has an active response to high particle concentration, and was described by a model where retention efficiency (Er) varied with suspended particulate matter. Expand
Some general relationships in comparing the feeding physiology of suspension-feeding bivalve molluscs
Collective findings establish that similar functional interrelations control feeding responses in each species, and identify key relations affecting selection and absorption for use in the future modelling of growth and environmental relations. Expand
Variability of feeding processes in the cockle Cerastoderma edule (L.) in response to changes in seston concentration and composition
Feed processes of cockles appear well adapted to cope with elevations in particle concentration and simultaneous reductions in the food value of available seston that occur when resuspended bottom sediments constitute a significant fraction of particulate materials of the water column, and the organic content of resuspensible sediments may become the main determinant of food acquisition in cockles. Expand
Traditional oyster culture in France
It was not until the 17th century that oyster culture began, first in the pools of the salt marshes of the Atlantic coast and then in specially managed ponds, and in the early days, the juvenile oysters all came from natural stocks. Expand