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Registros recuperados: 38
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Dépistage des sources de pollutions microbiologiques en Seudre amont et dans le bassin de Marennes Oléron ArchiMer
Auger, Christian; Courtois, Olivier; Kantin, Roger; Masson, Daniel; Piquet, Jean-come; Roesberg, Didier.
The oyster culture basin of Marennes - Oléron is characterized by the tastiness of its oysters and the good quality of its waters, and thus of its shellfish. On that account, the quasi-totality of the production areas are ranked A for non-burrowing shellfishes, thus confirming the privileged character of the basin. This microbiological and chemical quality contributing to the reputation of the basin's shellfish farms needs to be preserved. In this purpose, the Regional Shellfish Culture Section of Marennes - Oléron (SRC) approached the Ifremer in order to continue the monitoring of the microbiological quality carried out on different production areas susceptible to be affected by some bacteriological contaminations leading to a deterioration of the...
Tipo: Text Palavras-chave: Contrôle; Contamination; Seudre; Bassin de Marennes Oléron; Surveillance; Pollution microbiologique.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/2002/rapport-6304.PDF
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Aménagement des marais atlantiques : nécessité d'une gestion de l'espace littoral ArchiMer
Bodoy, Alain; Dardignac, Marie-josée; Manaud, Francois; Masson, Daniel; Mauvais, Jean-louis; Thomas, Gerard.
Tipo: Text
Ano: 1989 URL: http://archimer.ifremer.fr/doc/00040/15126/12463.pdf
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Viral contamination and depuration of oysters under field conditions ArchiMer
Boher, S; Piclet, Guy; Beril-stien, S; Masson, Daniel; Delonce, R; Biziagos, E; Schwartzbrod, L.
Shellfish consumption is clearly associated with the transmission of enteric viruses. The channel of transmission of enteric viruses to human beings could be decreased particularly if the systems of depuration of shellfish were optimized, standardized and if their viral efficiency was controlled. The purpose of this work was to study the contamination of oysters and to assess the efficiency of several depuration processes. Our study have demonstrated that in some cases, 50% of oysters samples contain enteric viruses or H.A.V. antigen and the quantities of viruses range from 17 to 246 FF for the rotaviruses and from 124 to 200 for the enteroviruses per 100 g of tissue. According to our results, the exclusive use of a bacteriological criterium to determine...
Tipo: Text Palavras-chave: Rotavirus; Hepatitis A virus; Enterovirus; Crassostrea gigas; Bivalvia; Seafood; Bioassays; Cell culture; Viruses; Self purification; Viral diseases; Shellfish.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1615.pdf
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Métabolisme de l'huître Crassostrea gigas stockée dans des dégorgeoirs conchylicoles, à différentes densités et saisons ArchiMer
Bougrier, Serge; Masson, Daniel; Geairon, Philippe; Fouche, Dominique; Leroy, Anne; Faury, Nicole; Ratiskol, Jacqueline.
One of the problems faced by oyster farmers in France is the immediate or delayed mortality of oysters in the storage tanks prior to shipping. This may be due to overstocking and/or improper water management. To investigate the problem, experiments were performed in commercial storage tanks stocked with oysters at different densities. The aim of this study was to provide some basic experimental data and guidelines for better handling of oysters prior to shipping
Tipo: Text Palavras-chave: Physiology; Oyster farmers; Crassostrea gigas; Oysters; Storage tanks; Physiologie; Ostréiculture; Dégorgeoirs; Crassostrea gigas; Huîtres; Bassin stockage.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/1991/acte-3047.pdf
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Salmoniculture à Saint-Pierre et Miquelon ArchiMer
Champigneulle, Alexis; Masson, Daniel; Puyo, Pascal.
L'aquaculture marine des salmonidés connaît depuis une dizaine d'années un développement important, notamment en ce qui concerne la production intensive, en Norvège (14 900 tonnes en 1982) et en Écosse (2 150 tonnes en 1981), ainsi que dans divers autres pays tels le Japon, les États-unis, l'Irlande et la France pour laquelle la production des élevages en mer s'élève à plus de 500 tonnes en 1982. Le programme de Recherche et Développement mené à Saint-Pierre et Miquelon par l'ISTPM a été motivé par la mise en évidence des potentialités de production des salmonidés sur l'archipel. La création, en 1980, de l'Association de Recherche et de Développement de l'Aquaculture (ARDA) a permis d'associer les collectivités locales, l'ISTPM, maître d'oeuvre du...
Tipo: Text
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/publication-7033.pdf
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Agriculture, conchyliculture et circulation des eaux de surface : état actuel des recherches ArchiMer
Chevallier, Claude; Masson, Daniel.
La qualité des eaux de surface constitue périodiquement un sujet de controverse et de polémiques entre professionnels agricoles et conchylicoles charentais. Le débat reste centré sur la valorisation agricole des zones de marais littoraux. La création croissante d'îlots de culture drainés, souvent à proximité immédiate des zones conchylicoles, suscite l'inquiétude quant à la qualité des eaux d'aval. Il nous a paru nécessaire d'établir un état succinct des connaissances en la matière afin d'éviter l'usage d'arguments parfois irrationnels et de favoriser le dialogue entre les partenaires ; mais il nous paraît tout aussi important de montrer que la qualité des eaux de surface, question essentielle pour l'aménagement régional dépasse le seul cadre des marais :...
Tipo: Text Palavras-chave: Conchyliculture; Circulation des eaux; Effluent d'élevage; Charente-Maritime; Agriculture; Eau; Engrais.
Ano: 1988 URL: http://archimer.ifremer.fr/doc/00015/12664/9553.pdf
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Essais de decontamination des huitres Crassostrea gigas en bassin par renouvellement et circulation de l''eau ArchiMer
Faury, Nicole; Masson, Daniel; Ratiskol, Jacqueline.
The germs decreasing of artificially contaminated oysters Crassostrea gigas has been studied in experimental tanks similar to a shellfish depuration plant, without any chemical or physical water treatment. The oyster were treated by three different water management pattern, compared to a control tank and the germs decreasing studied by MPN method of fecal Coliforms and Streptococus. As a result: 1) it appaears somewhat difficult to conclude in this first attempt about the most efficient treatment. 2) the most important factor in shellfish depuration working is obviously the physiological activity (and stage) of the animals.
Tipo: Text Palavras-chave: Crassostrea gigas; Bivalvia; Methodology; Raceway culture; Recirculating systems; Water management; Oyster fisheries; Marine molluscs; Shellfish; Tanks; Self purification.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1611.pdf
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Evaluation du risque d'introduction d'espèces indésirables par l'intermédiaire des eaux de ballast des navires ArchiMer
Fouche, Dominique; Masson, Daniel.
The discharge of ship's ballast waters in coastal areas is considered as a vector for exotic species introduction, a threat for the local ecosystems or even the mariculture activities. The most worrying are the toxic phytoplanktonc. Unwanted effect presently documented in the world were rewieved. The risk analysis applied to this problem is discussed. Regulations and research programs about ballast waters in several countries were also overviewed. A ship's arrivai study in Charente-Maritime (France) let appear a large percentage of them were coming from areas where the occurrence of toxic phytoplankton blooms are common. Known technical solutions, populations and guidelines are recorded. A non exhaustive list of toxic phytoplankton blooms occurences in...
Tipo: Text Palavras-chave: Toxic phytoplankton; Introduced species; Shipping; Ballast waters; Phytoplancton toxique; Introduction d'espèces; Transmort maritime; Eaux de ballast.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/1999/rapport-6303.pdf
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Reproduction de la moule Mytilus edulis et de l'huître Crassostrea gigas dans le bassin de Marennes-Oléron - Saison 2003 ArchiMer
Geay, Amelie; Arnaud, Christophe; Masson, Daniel.
The monitoring of the reproduction of Crassostrea gigas, and more occasionally that of the mussel Mytilus edulis, is carried out in Charente Maritime, each year, from June through to September. This report presents the main results obtained in 2003 and compares the years 2002 and 2003. It also recalls the techniques used and provides, in appendix, some bibliographic information on larval development.
Tipo: Text Palavras-chave: Marennes Oléron; Larves; Captage; Mytilus edulis; Moules; Crassostrea gigas; Huîtres; Reproduction.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/2003/rapport-6575.pdf
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Rapport sur les causes des mortalités d'huîtres creuses observées en juin 1992 sur le Banc de Ronce Les Bains (Bassin de Marennes-Oléron) ArchiMer
Heral, Maurice; Bacher, Cedric; Razet, Daniel; Prou, Jean; Galgani, Francois; Renault, Tristan; Bodoy, Alain; Garnier, Jacqueline; Geairon, Philippe; Chagot, Dominique; Grizel, Henri; Comps, Michel; Masson, Daniel; Noinin, Michel.
Dès le 4 JUIN 1992, un ostréiculteur digne de confiance avait signalé aux services d'IFREMER, une situation anormale sur le banc de Ronce les Bains. Un premier prélèvement a été effectué le jour même. En effet, ce secteur avait déjà été le lieu de mortalités d'huitres estimées à 7 000 tonnes, au printemps 1988, et s'est révélé par le passé comme étant un endroit sensible. Pour information, figure en annexe le rapport établi en 1988, à destination du Préfet de la Charente Maritime. Ces mortalités ayant rapidement pris de l'ampleur, un dépôt de plainte contre X a été effectué par la Section Régionale de la Conchyliculture. A la suite de quoi, les services d'IFREMER ont été requis par la Gendarmerie Nationale (Brigade de Marennes) le 10 juin 1992, pour...
Tipo: Text Palavras-chave: Ostréiculture; Huîtres creuses; Crassostrea gigas; Mortalité; Banc de Ronce Les Bains; Bassin de Marennes Oléron.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/00048/15899/13327.pdf
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La gestion de l'eau douce en Seudre ArchiMer
Masson, Daniel.
Suedre River, a small river in Charente-Maritime, is 45 km long and drains a 380 km2 river basin. Its flow rate is about 20 m3.s(-1). Beyond the Saujon agglomeration, the river extends to the sea via a 25-km long estuary which, through the action of tides, becomes a sea arm reaching 1 km in width. Freshwater and salt marshes line the banks of the Seudre River. Freshwater marshes are occupied by large cattle farms and intensive, irrigated crops. Salt marshes are used for oyster finishing—the final, fattening process in oyster farming. The coexistence of both types of activity is sometimes problematic, particularly in terms of water management, a frequent source of conflict. The climate in Charente-Maritime is characterised by dry summers and rainy winters,...
Tipo: Text Palavras-chave: Ostréiculture; Agriculture; Eau douce; Gestion eau; Seudre; Charente Maritime; Estuaire.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/1997/acte-3211.pdf
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Rapport d'activité 1993 du Laboratoire Côtier de La Tremblade ArchiMer
Masson, Daniel.
Rapport d'activité de l'année 1993 du Laboratoire Côtier de La Tremblade
Tipo: Text Palavras-chave: Environnement; Littoral; Aménagement Littoral; Microbiologie; Bactériologie; Réseaux surveillance; Marennes Oléron; Rapport activité.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/00072/18290/15862.pdf
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Etat des recherches sur la problématique agro-conchylicole en Charente-Maritime ArchiMer
Masson, Daniel.
Depuis le début des années quatre vingt, la mise en culture intensive des marais doux littoraux de Charente-Maritime a créé une situation entièrement nouvelle, changeant les rapports traditionnels entre les agriculteurs (du marais doux) et les ostréiculteurs utilisateurs du marais salé.
Tipo: Text Palavras-chave: Ostréiculture; Agriculture; Gestion eaux; Charente Maritime.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00191/30226/28640.pdf
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The ships' ballast waters, sources of pests introduction ArchiMer
Masson, Daniel.
At the end of the 1980s, the relatively recent Australian aquaculture industry suffered from the blooming of some unknown toxic phytoplanktonic algae. This was followed by some cases of harm to consumers' health and the shutting down of some production areas. Australian scientists quickly identified their origin, Japanese, as well as their introduction vector, the ballast waters of Japanese vessels loading in Australian harbours and deballasting along the coasts or inside the harbours. The introduction of unwanted live species from one side of the world to another can have heavy economical and sanitary consequences: harmful proliferations and epizooties, if not epidemic. Rabbits in Australia, Chinese crabs in Northern Europe, water hyacinths in Louisiana,...
Tipo: Text Palavras-chave: Nuissance; Introductions espèces; Navire; Eaux ballast.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/2003/publication-6258.PDF
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Gestion de l'eau douce et conchyliculture en Charente-Maritime ArchiMer
Masson, Daniel.
The wetlands of Charente-Maritime represent 100,000 ha and are classified in three categories: flooded marshland valleys, freshwater marshes (farmed land) and coastal salt marshes (traditional and modern shellfish farms). The economic character of the latter two categories gives rise to conflicts of use. Both the agricultural and aquacultural professions are particularly sensitive to these conflicts due to the difficult economic times they are currently experiencing. The main issue is freshwater management, in both its qualitative and quantitative aspects. Charente-Maritime climate is characterised by rainy winters and dry summers and all players need water (or wish to evacuate it) during the same periods. It is thus necessary to mediate disputes or even...
Tipo: Text Palavras-chave: Hydraulique; Eau douce; Sociologie; Agriculture; Conchylicultue; Aquaculture.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/1994/publication-3231.pdf
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Contribution à l'étude du stockage des huîtres en bassins ArchiMer
Masson, Daniel.
La mise sur le marché de coquillages marins vivants nécessite dans la majorité des cas un stockage en bassin avant expédition. Cette opération a plusieurs buts : - les débarrasser de la vase ou du sable qu'ils ont pu accumuler dans leur cavité palléale, sur les zones où ils vivaient, - favoriser l'élimination de germes éventuels (dont certains sont pathogènes pour l'homme) par le biais de l'activité de filtration des coquillages eux-mêmes, - permettre l'activité respiratoire de ces coquillages avant une période d'émersion plus ou moins longue (conditionnement, transport, mise en vente). Le coquillage conditionné et expédié est une denrée alimentaire. Avant cela (et notamment lors du stockage) il doit être considéré comme un animal d'élevage et traité en...
Tipo: Text Palavras-chave: Ostréiculture; Huître creuse; Crassostrea gigas; Stockage en bassin; Expérimentations; Physiologie.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00134/24496/22524.pdf
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Rapport d'activité 1992 du Laboratoire Côtier de La Tremblade ArchiMer
Masson, Daniel.
Rapport d'activité 1992 du Laboratoire Côtier de La Tremblade
Tipo: Text Palavras-chave: Environnement; Conchyliculture; Aménagement Littoral; Microbiologie; Bactériologie; Rapport activités.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/00072/18279/15848.pdf
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Rapport d'activité 1996 du Laboratoire Environnement Littoral de La Tremblade ArchiMer
Masson, Daniel.
Rapport d'activité 1996 du Laboratoire Environnement Littoral de La Tremblade.
Tipo: Text Palavras-chave: Environnement; Surveillance milieu; Microbiologie; Bactériologie; Rapport activité.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/00071/18257/15820.pdf
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Rapport annuel d'activité 1995 du Laboratoire Côtier de La Tremblade ArchiMer
Masson, Daniel.
Rapport d'activité 1995 du Laboratoire de la Direction de l'Environnement et de l'Aménagement Littoral - Laboratoire côtier de La Tremblade.
Tipo: Text Palavras-chave: Environnement; Aménagement Littoral; Microbiologie; Bactériologie; Rapport activité.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/00071/18254/15817.pdf
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Recherche des sources de pollution bactériologique dans le bassin de Marennes-Oléron. Février 1998-Février 1999 ArchiMer
Masson, Daniel; Auger, Christian; Bouquet, Jean-paul; Courtois, Olivier; Kantin, Roger; Roesberg, Didier.
The microbiological classification of the Marennes-Oléron shellfish farming area (according to Council Directive 91/492/EEC) let appear sorne periodically polluted spots. A research of the potentiel sources has been conducted around these spots. Twelve points were sampled during a year with faecal coliforms and streptococcus contamination level in water (and shellfich when possible). Several microbiological pollution sources were found, in the Seudre estuary (umstream) and in Oléron island : lack of, or ineffective sewage systems, cattle farming without convenient manure treatrrtent, and so on .. Recommendations are given to improve this situation.
Tipo: Text Palavras-chave: Sources de pollution; Zonage ostréicole; Pollution microbiologique; Bassin de Marennes Oléron.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/1999/rapport-6307.pdf
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