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Registros recuperados: 143
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Biological effects of the "Erika" oil spill on the common mussel (Mytilus edulis) ArchiMer
Bocquene, Gilles; Chantereau, Sebastien; Clerendeau, Christelle; Beausir, Emilie; Menard, Dominique; Raffin, Bernard; Minier, Christophe; Burgeot, Thierry; Leszkowicz, Annie Pfohl; Narbonne, Jean-françois.
A 3-year survey was made of several biological markers in mussels (Mytilus edulis) exposed in situ to the oil that came ashore after the wreck of the "Erika" tanker on the Brittany (France) coast in December 1999. The mussel response was assessed using a set of 7 biomarkers, most of them related to the metabolism of organic contaminants. After a series of validation tests, data was evaluated for only 5 biomarkers: acety1cholinesterase (AChE), glutathione S-transferase (GST), catalase (CAT), malondialdehyde (MDA) and deoxyribonucleic acid (DNA) adducts. No significant reductions in GST or CAT levels were observed, levels of DNA adducts and MDA were high during the 6 months immediately following the accident and levels of AChE were significantly lower during...
Tipo: Text Palavras-chave: Mytilus edulis; Mussel; Biomarkers; Monitoring; Survey; PAH; Polycyclic aromatic hydrocarbon; Oil spill.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-403.pdf
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Rapport d'activité année 1977 du Laboratoire de Biologie Conchylicole de La Rochelle ArchiMer
Dardignac, Marie-jose.
Rapport d'activité du Laboratoire de Biologie Conchylicole de La Rochelle concernant l'année 1977
Tipo: Text Palavras-chave: Conchyliculture; Reproduction; Estimation stocks; Valorisation claires ostréicoles; Parasite; Pathologie; Crassostrea gigas; Mytilus edulis; Pertuis Breton.
Ano: 1977 URL: http://archimer.ifremer.fr/doc/00070/18092/15640.pdf
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Impact du traitement de bois (CCA) sur l'écophysiologie de la moule M. edulis ArchiMer
Goulletquer, Philippe.
In European waters, crustaceans and molluscs cause substantial economic damage on wooden structures. Chemical preservatives, such as chromated copper arsenate (CCA) have been developed to protect wood from rotting and are commonly used in many countries.
Tipo: Text Palavras-chave: Moules; Mytilus edulis; Ecophysiologie; Chrome Cuivre Arsenic°; CCA; Traitements chimiques.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/1997/acte-3253.pdf
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REMOULA 2000 - Réseau de croissance moule des Pertuis Charentais - Mars 2000 - Février 2001 ArchiMer
Robert, Stephane; Geairon, Philippe; Guilpain, Patrice; Razet, Daniel; Faury, Nicole; Seugnet, Jean-luc; Grizon, James; Soletchnik, Patrick; Le Moine, Olivier; Goulletquer, Philippe.
A production monitoring network focused on the blue mussel Mytilus edulis, was developed at the Charentais sounds' geographic level to assess the spatial and temporal variability of the mussel production. Similarly to the oyster growth monitoring network REMORA, an homogeneous and calibrated mussel population (L = 35.5 mm, TW = 3.35 g) was distributed into six rearing sites, representative of the sounds production. The rearing technics were compared and intercalibrated with previous growout facilities used for preliminary trials (round bags-oyster bags). The monitoring was based upon biometric and biochemical measurements on a 3 month and monthly basis, for ail and 3 sites respectively. The mortality rates showed a significant spatial and temporal...
Tipo: Text Palavras-chave: Réseau de croissance; Mytilus edulis; Composition biochimique; Mortalité; Pertuis Charentais; Charente-Maritime; Production monitoring network; Mytilus edulis; Proximate biochemical composition; Mortality rate; Charentais sounds; Charente-Maritime.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00031/14243/11518.pdf
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Rapport sur l'activité du Laboratoire de La Tremblade - Année 1962 ArchiMer
Trochon, Pierre.
Rapport sur l'activité du Laboratoire de La Tremblade concernant l'année 1962
Tipo: Text Palavras-chave: Rapport activité; Conchyliculture; Hydrologie; Mortalité; Météorologie; Reproduction; Claire ostréicole; Crassostrea angulata; Ostrea edulis; Mytilus edulis; Marennes Oléron.
Ano: 1962 URL: http://archimer.ifremer.fr/doc/00069/18060/15604.pdf
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Suivi de la reproduction des mollusques d'élevage 1991 ArchiMer
Faury, Nicole; Ratiskol, Jacqueline.
Les conditions météorologiques semblaient cette année à priori favorables à la reproduction des moules. Cependant, le maturation des gonades a été très lente. Ainsi, les premières pontes, de faible importance, ont eu lieu début Avril. Plusieurs émissions tardives sont apparues fin Mai et se sont poursuivies jusqu'au début du mois de Juillet. Elles n'ont pas été importantes et ont conduit à une faible quantité de larves au stade fixation. Un captage "moyen" a été observé début Mai. Ensuite, la présence de quelques larves grosses n'a pas permis un recrutement suffisant. Généralement, suite à la période de reproduction les moules reconstituent rapidement leur réserve; or cette année, elles sont restées maigres jusqu'à la fin Juillet. Le fort déficit...
Tipo: Text Palavras-chave: Reproduction; Captage; Naissain; Crassostrea gigas; Marennes Oléron; Mytilus edulis.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/00072/18285/15857.pdf
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Novel observations underlying the fast growth of suspension-feeding shellfish in turbid environments: Mytilus edulis ArchiMer
Hawkins, Ajs; Smith, Rfm; Bayne, Bl; Heral, Maurice.
For the tirst time for any benthic filter-feeder, this study documents each component process of nutrient acquisition through natural tidal variations of food availabillty. The organic content of seston available during both neap and spring tides in the bay of Marennes-Oléron. France, decreased from 28 to 8 % with mcreasing seston concentration from 10 to about 90 mg total particulate mass 1(1). Throughout this tidal variation, the blue mussel Mylilus edulis L. cleared more water of particles as seston availability increased. Rejection of fillered material as pseudofaeces prior to ingestion remained a constant fraction of about 0 .93 x the mass of filtered material, so that ingestion rate showed no signs of stabilising at even the highest food...
Tipo: Text Palavras-chave: Seston composition; Tidal variation; Mussel; Mytilus edulis; Feeding behaviour; Selection efficiency; Absorption efficiency; Net energy balance.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/00040/15080/12419.pdf
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Modélisation de la distribution d’espèces benthiques par l’utilisation d’une plateforme multi-agents ArchiMer
Razafimahefa, Ntsoa Rakoto.
In a context of climate change, understanding the response of species to changes in the environment and the implications for their geographic distribution is paramount. Species distribution models (SDM), through the formulation of relationships between the organism and its environment, provide a tool to explore species response to different types of environmental stresses. This study presents the development and a first application of a mechanistic and generic SDM, using a multi-agent modelling platform: NetLogo. The model allows to simulate the spatialized population dynamic of a bentho-pelagic species, in response to environmental variations. The model developed is an individual-based (IBM) mechanistic model, which incorporates a DEB (Dynamic Energy...
Tipo: Text Palavras-chave: Modèle de distribution d’espèce; Mytilus edulis; Dynamic Energy Budget; Connectivité; Recrutement; Compétition spatiale; Scénario de changement climatique; Species distribution model; Mytilus edulis; Dynamic Energy Budget; Connectivity; Recruitment space-limited recruitment; Climate change scenario.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00405/51631/52187.pdf
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Rapport sur l'activité du laboratoire de La Tremblade - Année 1968 ArchiMer
Trochon, Pierre.
Rapport sur l'activité du Laboratoire ISTPM (Institut Scientifique et Technique des Pêches Maritimes) de La Tremblade - Année 1968
Tipo: Text Palavras-chave: Rapport activité; Conchyliculture; Hydrologie; Mortalité; Météorologie; Reproduction; Claire ostréicole; Crassostrea angulata; Ostrea edulis; Mytilus edulis; Marennes Oléron.
Ano: 1968 URL: http://archimer.ifremer.fr/doc/00069/18050/15592.pdf
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Phytoplancton des zones myticoles de la baie de Vilaine et intoxication par les coquillages. ArchiMer
Andresen Leitao, Maria Da Paz; Lassus, Patrick; Maggi, Pierre; Le Baut, Claire; Chauvin, Jacky; Truouet, Philippe.
Following 1978 and 1981 human poisoning by mussels in Vilaine Bay (France) a survey of potentially toxic dinoflagellates was conducted in that area in 1982. At the same time paralytic shellfish poison (PSP) analyses were made, the authors studied the dinoflagellates encountered in the intestinal guts of mussels from January to August 1982. Results failed to demonstrate an occurrence of PSP producing species, either by toxicological analysis or dinoflagellate persistency in the mussel guts.
Tipo: Text Palavras-chave: Mytilus edulis; Bivalvia; Marine mollusks; Stomach content; Toxicity; Phytoplankton; Biological poisons; Mussel culture.
Ano: 1982 URL: http://archimer.ifremer.fr/doc/1982/publication-1853.pdf
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Réseau national d'observation de la moule bleue Mytilus edulis - MYTILOBS. Campagne 2012 ArchiMer
Robert, Stephane; Bedier, Edouard.
Le réseau national d’observation de la moule bleue MYTILOBS a été mis en place en 2012 sur le littoral atlantique en réponse aux interrogations sur les mauvais résultats rencontrés sur la croissance et la qualité des moules sur bouchot, dans certaines zones de production, les trois années précédentes, notamment en 2011. Sa mise à l’eau, prévue en décembre 2011, a été repoussée au mois de mars 2012. Des cinq régions productrices de moules sur bouchot, quatre ont été retenues comme sites test. Chaque région est identifiée par une zone géographique et un lieu dit : la Bretagne Nord en baie du Mont Saint Michel par Le Vivier-sur-mer, La Bretagne Sud en baie de Vilaine par Pont Mahé, Les Pays de Loire dans le Pertuis Breton par l’Aiguillon, le Poitou-Charentes...
Tipo: Text Palavras-chave: Mytilus edulis; Moules; Bouchot; Mortalité; Croissance; Température; Phytoplancton; Réseau; Biométrie; Environnement.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00166/27720/25914.pdf
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Expertise des élevages de moules après la canicule estivale : rapport final ArchiMer
Robert, Stephane; Le Moine, Olivier.
La comparaison des rendements de production des moules commercialisables entre les relevés professionnels du mois de juillet et les prélèvements réalisés en présence de la commission montre qu'il y a effectivement eu un évènement particulier qui a entraîné la disparition d'une partie de la ressource. Cette disparition a eu lieu après le 14 août. Elle a été estimée pour' le littoral charentais: à 66% pour la zone Marsilly Esnandes, et à 43% pour la zone Baie d'Yves, Île d'Aix . L'analyse des données biologiques (longueur, poids total) souligne un arrêt de croissance inhabituel. Il est sans doute le reflet d'un stress des animaux. Il n'est pas observé d'amaigrissement important sur les deux sites explorés. La mise en évidence dans la littérature de facteurs...
Tipo: Text Palavras-chave: Rendement production; Mytilus edulis; Moule; Mortalité; Croissance; Pertuis Breton; Baie Aiguillon; Pertuis Antioche.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/00074/18511/16051.pdf
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Monoclonal antibodies against sporangia and spores of Marteilia sp. (Protozoa: Ascetospora) ArchiMer
Robledo, Jaf; Boulo, Viviane; Mialhe, Eric; Despres, Béatrice; Figueras, Antonio.
Digestive glands of mussels Mytilus edulis from Brittany, France, infected with Marteilia sp. (Ascetospora) were used to purify the parasite. A modification of a previously used purification protocol increased purification efficiency, permitting sporangial primordia and sporangia of Marteilia sp. to be obtained. Mouse (Balb/c) monoclonal antibodies were generated against this parasite. From the fusion, 26 monoclonal antibodies against Marteilia sp. were obtained. Antibodies from 6 clones reacted only with Marteilia sp. cells and not with normal host tissues. Four of these antibodies (1/1-3, 3/1-1, 4/1-1 and 6/2-3) reacted with the sporangia wall and two with the spore cytoplasm (9/1-1 and 12/5-1). Antibodies cross-reacted with Marteilia refringens from...
Tipo: Text Palavras-chave: Marteilia sp.; Mytilus edulis; Monoclonal antibodies.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/00196/30730/29404.pdf
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Contribution à l'étude du système neuroendocrine de la moule Mytilus edulis (Mollusca: Bivalvia) ArchiMer
Kellner-cousin, Kristell.
Dans le cadre de ce travail, l'étude du système neuroendocrine de la moule Mytilus edulis a été envisagée sous plusieurs aspects qui définissent les quatre grandes parties de la thèse. Dans une première partie est décrit le travail de préparation et de caractérisation d'anticorps monoclonaux (AcMc) spécifiques de ganglions cérébroïdes (GC) de Mytilus edulis. Le développement de techniques de préparation d'AcMc dirigés contre des antigènes non purifiés a en effet permis de produire un ensemble de réactifs de type AcMc dirigés contre différents antigènes issus d'un broyat de GC de moule. La spécificité de ces AcMc a été étudiée en microscopie optique puis électronique selon des techniques immunocytochimiques (immunopéroxydase indirecte et immunogold). La...
Tipo: Text Palavras-chave: Mollusque; Bivalve; Mytilus edulis; Cellules neurosécrétrices; Système nerveux; Système immunitaire; Controle de la croissance; Insuline; Anticorps monoclonaux; Immunocytocbimie; ELISA; PCR; Banque d'ADNc.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/00109/22019/19642.pdf
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La mytiliculture dans le "Pertuis Breton": synthèse des travaux réalises de 1980 a 1992 ArchiMer
Dardignac, Marie-jose.
The studies carried out between 1980 and 1992 in the "Pertuis Breton" showed that mussels growth was systematically reduced near the coastline for an identical immersion time. No relationship was established between current pattern, stocking biomass and growth results. In contrast, poor growth was strongly correlated to seawater quality and especially to high seston load. The author suggests further studies which could confirm and complement these results: a better environment understanding through data acquisition, inclusion of additional parameters, studies on factors affecting shellfish quality. Furthermore, specific studies are proposed which are aimed at optimising mussel production in the Pertuis Breton. This includes a constant spat recruitment...
Tipo: Text Palavras-chave: Bivalvia; Recruitment; Spat; Mussel culture; Growth; Bouchot; Mytilus edulis; Pertuis Breton; Moule; Growth; Bouchot; Mytilus edulis; Pertuis Breton.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-1911.pdf
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Implantation et survie de Campylobacter jejuni/coli chez la moule Mytilus edulis ArchiMer
Minet, Jacques; Sauvager, F; Cormier, M.
Illnesses due to marine bivalvia consumption are mostly associated with viruses as causative agents. In more than the half of cases, this agent remains unidentifies, nevertheless. So far as bacteria are concerned, Salmonella are found firstly. Campylobacters represent a major cause of gastrointestinal disease, with Salmonella, among humans. Whether campylobacteriosis may be acquired from shellfishes remains unclear. We undertook to comparatively appreciate the survival of Campylobacter jejuni/coli and Salmonella typhimurium in seawater and contaminated mussels. Bacterial enumerations where performes using microbial cultures and specific (with immunofluorescence) direct viable counts (of substrate responsive bacteria). During laboratory contamination...
Tipo: Text Palavras-chave: Campylobacter coli; Campylobacter jejuni; Mytilus edulis; Bivalvia; Pathogenic bacteria; Seafood; Microbial contamination; Pollution effects; Bacteria; Sea water; Survival.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1606.pdf
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Rapport sur l'activité du Laboratoire de La Tremblade - Année 1961 ArchiMer
Trochon, Pierre.
Rapport sur l'activité du Laboratoire de La Tremblade année 1961
Tipo: Text Palavras-chave: Rapport activité; Conchyliculture; Hydrologie; Mortalité; Météorologie; Reproduction; Claire ostréicole; Crassostrea angulata; Ostrea edulis; Mytilus edulis; Marennes Oléron.
Ano: 1961 URL: http://archimer.ifremer.fr/doc/00069/18059/15603.pdf
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Estimation de la qualité biologique de l'eau sur le littoral atlantique du Sud-Ouest de la France à l'aide des tests de croissance des larves de Mytilus edulis ArchiMer
His, Edouard; Quiniou, Francoise.
The quality of the seawater off the southwestern Atlantic coast of France was assessed by studying the effects of the water from three sites (Arcachon Bay, Mimizan and Capbreton) on larvae of the mussel (Mytilus edulis). Mussel larvae were raised in water samples taken at all three sites on March 12, 1991 and larval growth was monitored during 10 days. The results indicate that the water quality was best in the Bay of Arcachon, followed by Mimizan, whereas the water off Capbreton was possibly contaminated by pollutants.
Tipo: Text Palavras-chave: Croissance; Qualité de l'eau; Développement larval; Pollution; Mytilus edulis; Growth; Water quality control; Larval development; Pollution; Mytilus edulis.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/00038/14903/12229.pdf
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Oocyte activation in Mytilus edulis by Crassostrea gigas spermatozoa ArchiMer
Mccombie, Helen; Cornette, Florence; Beaumont, Andy; Boudry, Pierre.
The development of hatchery production techniques for blue mussels is receiving increased research attention in Europe as it could offer an alternative source of spat for the industry ('Blue Seed' Project, Kamermans ICSR 2007). Among the necessary techniques are those of controlled spawning and fertilization, and techniques of triploidisation that can offer increased seasonal availability, yield and/or decreased growing time in the subsequent production stages. In several experiments, Mytilus edulis oocytes, obtained by thermally induced spawning, were fertilized with Mytilus edulis spermatozoa obtained in the same way or by stripping. Parallel treatments examined the effect of mixing Mytilus edulis oocytes with spermatozoa stripped from the Pacific...
Tipo: Text Palavras-chave: Stripping; Spermatozoa; Crassostrea gigas; Mytilus edulis; Ooctye.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/acte-3460.pdf
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Bilan d'étude sur la croissance de la moule (Mytilus edulis) sur bouchots et filières dans les Pertuis Charentais entre 2000 et 2005 (Réseau REMOULA) ArchiMer
Robert, Stephane; Soletchnik, Patrick; Le Moine, Olivier; Zanker, Sebastien.
En France, dans les pertuis Charentais plusieurs travaux de recherche ont été réalisés sur la moule (Mytilus edulis) dans les années 80 et 90 (1), (2), (3) 1. Ce n’est qu’en 1999 et 2000 que le programme européen Essence(2) a permis une comparaison entre l'élevage sur filières et l'élevage sur bouchots. Cette comparaison a mis en évidence une différence de croissance en partie liée au temps d'émersion des moules élevées sur bouchot (4), (5). Suite à ces résultats, la profession, représentée par les SRC de Ré Centre Ouest, et la Section Régionale Conchylicole Poitou- Charentes demande à Ifremer de mettre en place un réseau de suivi "biologique" dans les Pertuis Charentais.
Tipo: Text Palavras-chave: Bivalvia; Mytilus edulis; Croissance; Pertuis Charentais; Technique élevage; Bouchot.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/00084/19487/17108.pdf
Registros recuperados: 143
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