ROSLAND, R, STRAND, O, ALUNNO-BRUSCIA, Marianne, BACHER, Cedric, STROHMEIER, T
A Dynamic Energy Budget (DEB) model for simulation of growth and bioenergetics of blue mussels (Mytilus edulis) has been tested in three low seston sites in southern Norway. The observations comprise...
GRANGERE, Karine, MENESGUEN, Alain, LEFEBVRE, Sébastien, BACHER, Cedric, POUVREAU, Stephane
It is well known that temporal changes in bivalve body mass are strongly correlated with temporal variations in water temperature and food supply. In order to study the influence of the year-to-year...
MAZURIE, Joseph, LE MAO, Patrick, CAMUS, Patrick, BACHER, Cedric, GOULLETQUER, Philippe
Integration of shellfish farming along the French shoreline (around 5500 km) has been progressive, as marine bivalve culture is a traditional activity in our country. The history of mussel culture...
SAMAIN, Jean-Francois, DEGREMONT, Lionel, SOLETCHNIK, Patrick, ROPERT, Michel, BEDIER, Edouard, MAZURIE, Joseph, ...
Complex interactions between oyster, environment and pathogens were observed during the MOREST (2001-2005) project on summer mortality events of Crassostrea gigas oysters in France. The talk will...
CASAS, Stellio, BACHER, Cedric
Bioaccumulation of metal within an organism results from interactions between physiological factors (growth, weight loss, absorption and accumulation), chemical factors (metal concentration,...
BACHER, Cedric, GANGNERY, Aline
We successfully tested a Dynamic Energy Budget (DEB) model of the oyster Crassostrea gigas using published environmental data and growth data collected in Than lagoon (France). Estimates of most DEB...
Possibilities to prevent Crassostrea gigas oyster summer mortality in France (2006)
SAMAIN, Jean-Francois, ROPERT, Michel, BEDIER, Edouard, SOLETCHNIK, Patrick, MAZURIE, Joseph, LE COZ, Florence, ...
Summer mortality has been reported in the Pacific oyster, Crassostrea gigas, for many years in Japan, US and Europe. It affects both adults and juveniles and the causes of this phenomenon are...
A probabilistic approach of flow-balanced network based on Markov chains (2006)
LEGUERRIER, Delphine, BACHER, Cedric, BENOIT, Eric, NIQUIL, Nathalie
We used Markov chains to assess residence time, first passage time, rare of transfers between compartments, recycling index with a general mathematical formalism. Such a description applies to any...
Preliminary estimate of primary production by phytoplankton in Marennes-Oléron Bay, France (2006)
STRUSKI, Caroline, BACHER, Cedric
The macrotidal bay of Marennes-Oléron is the most important French site for shellfish production (oysters and mussels); yet the primary productivity of the phytoplankton compartment in this system...
ORVAIN, F, SAURIAU, Pierre-Guy, BACHER, Cedric, PRINEAU, Michel
Laboratory experiments performed in a recirculating flume were designed to quantify the bioturbation influence of the mud snail Hydrobia ulvae, one of the most abundant deposit feeders on European...
NIQUIL, Nathalie, KERLEGUER, G, LEGUERRIER, D, RICHARD, Pierre, LEGRAND, Helene, DUPUY, Christine, ...
The presence of herbicides in the run-off water coming over Brouage mudflat (Marennes-Oleron Bay, France) is suspected to cause a loss of primary production by benthic diatom biofilm....
MAZURIE, Joseph, SOLETCHNIK, Patrick, ROPERT, Michel, FLEURY, Pierre-Gildas, AUBY, Isabelle, MAURER, Daniele, ...
Monitoring of Crassostrea gigas performances, from two year-classes, during 12 years, in various French shellfish farming areas have revealed great inter-annual and inter-sites differences in...
Modeling trace metal accumulation in the mediterranean mussel, mytilus galloprovincialis (2004)
CASAS, Stellio, COSSA, Daniel, GONZALEZ, Jean-Louis, BACHER, Cedric, ANDRAL, Bruno
Monitoring coastal contamination by trace metals pollution using mollusks bivalves as quantitative bioindicators is widely performed in many international biomonitoring programs. In this purpose,...
CASAS, Stellio, COSSA, Daniel, GONZALEZ, Jean-Louis, BACHER, Cedric, ANDRAL, Bruno
Monitoring coastal contamination by trace metals pollution using mollusks bivalves as quantitative bioindicators is widely performed in many international biomonitoring programs. For this purpose,...
Modelling the effect of food depletion on scallop growth in Sungo Bay (China) (2003)
BACHER, Cedric, GRANT, Jon, HAWKINS, Anthony, FANG, Jianguang, ZHU, Mingyuan, BESNARD, Melanie
Sungo Bay (China) has a mean depth of 10 m, a total area of 140 km(2) and is occupied by several types of aquaculture, whilst opening to the ocean. The production of scallops (Chlamys farreri)...
LEGUERRIER, Delphine, NIQUIL, Nathalie, BOILEAU, N, RZEZNIK, J, SAURIAU, Pierre-Guy, LE MOINE, Olivier, ...
Food web modelling is an ideal way to describe ecosystems, because it accounts for the totality of the relationships between its various components. One difficulty of such an approach, however, lies...
POUVREAU, Stephane, BACHER, Cedric, HERAL, Maurice
A model of bioenergetics of the black pearl oyster (Pinctada margaritifera) was built to simulate growth, reproduction and spawning in suspended culture at field sites in Takapoto lagoon (French...
GUARINI, Jean-Marc, BLANCHARD, Gerard, BACHER, Cedric, GROS, Philippe, RIERA, Pascal, RICHARD, Pierre, ...
Microphytobenthos plays an important role as primary producer in shallow embayments subject to a tidal regime. The present paper aims to characterize the spatial patterns of sedimentary chlorophyll a...
BACHER, Cedric, SAURIAU, Pierre-Guy
Les peuplements benthiques du bassin de Marennes-Oléron ont été échantillonnées au printemps 1984 dans le but d'étudier le stock des compétiteurs des populations de filtreurs cultivés...
BACHER, Cedric, BAUD, Jean-Pierre
Seasonal growth of juvenile oysters (Crassostrea gigas) kept in an intensive upwelling system was studied from 1984 to 1986 in 60 to 90-day growth experiments. Saline ground water was used to produce...
Modeling the growth of Ruditapes philippinarum in an experimental system (1992)
BENSCH, Alexis, BACHER, Cedric, BAUD, Jean-Pierre, MARTIN, Jean-Louis
The growth of Ruditapes philippinarum was modeled with an energetic budget equation. Clams were fed with Skeletonema costatum in experimental units during 6 months. The filtration and respiration...
Modeling the growth of Ruditapes philippinarum in an experimental system. (1991)
BENSCH, A, BACHER, Cedric, BAUD, Jean-Pierre, MARTIN, Jocelyne
The growth of Ruditapes philippinarum was modeled with an energetic budget equation. Clams were fed with Skeletonema costatum in experimental units during 6 months. The filtration and respiration...
Energy model of the oysters growth (Crassostrea gigas) in Marennes Oleron bay (France) (1991)
BACHER, Cedric, HERAL, Maurice, DESLOUS-PAOLI, Jean-Marc, RAZET, Daniel
The growth of oysters (Crassostrea gigas) is modeled in order to study the trophic capacity of the Bay of Marennes Oléron. Total seston and amount of protids, lipids, and carbohydrates converted to...
A model coupling biological and hydrodynamical processes is used in order to study the influence of the amount of cultivated oysters (Crassostrea gigas) on growth performance in the Bay of...
SAURIAU, Pierre-Guy, BACHER, Cedric
Stock assessement of wild soft-bottom mol/uses has been part of a general approach to shellfish management in oyster farming in Marennes-Oleron Bay. A sampling survey is described as a stratified...
The trophic relationship between a population of cultivated oysters and potential food was modeled in Marennes-Oleron Bay. Coupling the transport process of particulate matter with assimilation by a...
BACHER, Cedric, GOULLETQUER, Philippe
A comparison of trophic relationships for Ruditapes philippinarum in estuarine and oceanic areas: the use of a growth mode
The biotic capability of oyster-farming basins (1989)
HERAL, Maurice, BACHER, Cedric, DESLOUS-PAOLI, Jean-Marc
Maurice Héral has been studying, since 1976 at the IFREMER Station of La Tremblade (France), the trophic networks of shellfish-farming ecosystems and, especially, the variability of available food,...
GOULLETQUER, Philippe, BACHER, Cedric
In order to highlight the main factors accounting for the growth of clams in Marennes Oleron Bay, three locations were investigated in 1984-1985. First, factor analysis provided information on...
Improving assessment of shellfish stock cultivated in Charente-Maritime (1986)
BACHER, Cedric, DESLOUS-PAOLI, Jean-Marc, HERAL, Maurice, PROU, Jean
The expansion of shellfish culture businesses (oysters, mussels, clams...) gives way to a competition for the use of limited food resources, especially in the Marennes-Oléron basin where water...
BACHER, Cedric, BAUD, Jean-Pierre, BODOY, Alain, DESLOUS-PAOLI, Jean-Marc, DRENO, Jean-Paul, HERAL, Maurice, ...
An assessment of the reared stocks of the Pacific oyster (Crassostrea gigas ) has been recently conducted on the major French areas of molluscs culture. The methodology proposed included both...
Development of shellfish production models (1985)
Mathematical models for biological processes are presented as a set of tools for research, which ilave been created for specifie tasks impact studies, energy budget, test of hypothesis. Before using...