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Registros recuperados: 143
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Rapport d'activité année 1979 du Laboratoire de Biologie Conchylicole de La Tremblade ArchiMer
Heral, Maurice.
Rapport d'activité du Laboratoire de Biologie Conchylicole de La Tremblade concernant l'année 1979
Tipo: Text Palavras-chave: Conchyliculture; Physiologie; Crassostrea gigas; Mytilus edulis; Reproduction; Estimation stock; Croissance; Ruditapes decussatus; Ruditapes philippinarum; Marennes Oléron.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00070/18088/15636.pdf
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Etude de la destruction des larves de moules par traitement aux ultrasons. ArchiMer
Charlon, Nicole.
The problem of the clogging up of sea water pipes by Mytilus edulis larvae is a very real problem. A study has been made of the ways to destroy these larvae, (1) by electricity (publication in preparation), (2) by ultrasound. This last technique has given interesting data, but exploitation of results on a large scale presents many difficulties. An interesting general phenomenon is to be underlined. For ultrasound treatments of short duration (10s), many larvae are simply stressed and recover later on. For longer treatments, there is actual dislocation of the larvae and instant mortality, this mortality increases with time.
Tipo: Text Palavras-chave: Mytilus edulis; Pest control; Pipelines; Mortality causes; Larvae.
Ano: 1975 URL: http://archimer.ifremer.fr/doc/1975/publication-2031.pdf
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Imagerie par spectrométrie de masse de l’accumulation d’acide okadaïque dans la glande digestive de la moule ArchiMer
Sam Lone, Anais.
Among the applications that facilitate the study of functional processes in living systems, measurement of the spatial distribution of molecules in biological tissues is currently available. Thus, in the field of human health, this application which targets the molecular distributions of altered tissues can be used, for example, in the diagnosis of diseases such as cancers, Alzheimer's disease, muscular myopathy, but also to recognize the distribution of drugs in animal tissues. The principle of imaging by mass spectrometry is to produce a mapping of the surface of a section of tissue, recording at each point a mass spectrum. All these spectra reconstitute so many "ion density maps", called images, that there are peaks of biological interest in the...
Tipo: Text Palavras-chave: Imagerie par spectrométrie de masse; MALDI-TOF; TOF-SIMS; Acide okadaïque; Glande digestive; Mytilus edulis; Imaging by mass spectrometry; MALDI-TOF; TOF-SIMS; Okadaic acid; Digestive Gland; Mytilus edulis.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00360/47167/47190.pdf
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Assortative fertilization and selection at larval stage in the mussels Mytilus edulis and M-galloprovincialis ArchiMer
Bierne, Nicolas; David, Pierre; Boudry, Pierre; Bonhomme, F.
Assortative mating (prezygotic isolation) and reduced hybrid fitness (postzygotic isolation) are typically invoked to explain the stability of hybrid zones. In the tension zone model. these factors work in opposition to migration, which promotes genetic homogeneity. Many marine animals migrate over long distances through a planktonic larval stage. Therefore. strong reproductive isolation is needed to maintain stable marine hybrid zones. However, surprisingly little is known about mating preferences and hybrid fitness in marine organisms. Smooth-shelled mussels (Mytilus spp.) form a well-known species complex, with hybridization over extensive areas such as the contact zone of M. edulis and M. galloprovincialis around European Atlantic coasts. This paper...
Tipo: Text Palavras-chave: Preferential fertilization; Mytilus galloprovincialis; Mytilus edulis; Hybrid viability; Heterosis; Gamete competition.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/2002/publication-2781.pdf
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La mytiliculture dans le Pertuis Breton - Rapport provisoire des travaux effectués de 1985 à 1987 par la station RA de l'Houmeau ArchiMer
Dardignac-corbeil, Marie-jose.
La Région Poitou-Charentes fournit près de 20% production mytilicole nationale. Cette participation monte à 30% si l'on y ajoute la partie nord du Pertuis Breton qui , administrativement, relève de la Région Pays de Loire mais dont la majeure partie est en fait exploitée par des charentais. Cependant, les rendements des élevages mytilicoles situés sur la côte atlantique sont médiocres. En effet, la moitié des bouchots fournit à peine plus du tiers de la production nationale. On peut alors se demander si les stocks de moules en culture ne sont pas trop importants, ce qui entraînerait un épuisement des capacités biotiques du milieu avec pour conséquence un ralentissement de la croissance. La réponse à cette question demande que soit connue la relation entre...
Tipo: Text Palavras-chave: Pertuis Breton; Mytililus edulis; Bouchot; Croissance; Pertuis Breton; Mytilus edulis; Bouchot; Growth.
Ano: 1987 URL: http://archimer.ifremer.fr/doc/00045/15582/12986.pdf
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Rapport sur l'activité du Laboratoire de La Tremblade - Biologie conchylicole - Année 1954 ArchiMer
Trochon, Pierre.
Rapport sur l'activité du Laboratoire ISTPM de La Tremblade, biologie conchylicole : année 1954
Tipo: Text Palavras-chave: Conchyliculture; Rapport d'activité; Météorologie; Parasite; Mortalité; Reproduction; Claire ostréicole; Crassostrea angulata; Ostrea edulis; Mytilus edulis; Marennes Oléron.
Ano: 1954 URL: http://archimer.ifremer.fr/doc/00069/18066/15609.pdf
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Rapport sur l'activité du Laboratoire de La Tremblade - Année 1957 ArchiMer
Trochon, Pierre.
Rapport sur l'activité du Laboratoire ISTPM de La Tremblade concernant l'année 1957
Tipo: Text Palavras-chave: Conchyliculture; Rapport d'activité; Météorologie; Parasite; Mortalité; Reproduction; Claire ostréicole; Crassostrea angulata; Ostrea edulis; Mytilus edulis; Marennes Oléron.
Ano: 1957 URL: http://archimer.ifremer.fr/doc/00069/18069/15613.pdf
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Performances d'élevage de la moule (Mytilus edulis) en Manche/Atlantique. Recensement et interprétation. 1 : Synthèse et rapport ArchiMer
Rodriguez, Julien.
The objective of this study is to explain the decrease in mussel production, along the French coasts of Atlantic and the English Channel, through existing data and additional inquiries. This decrease in 2010 and 2011 had two components : a growth deficit and losses of mussels, due to detachment and mortality. Both inter-annual and geographic differences in rearing yields seem to be linked to phytoplankton abundance and turbidity. In 2011, severe droughts have impacted the level of rivers effluents to marine, limiting nutrients inputs. In 2010, frequent winds from east seem to have maintained the phytoplankton blooms away from the coasts. Detachment and mortalities of mussels might be due to physiological stress or weakening linked to poor environmental...
Tipo: Text Palavras-chave: Mytiliculture; Bouchots; Moule; Mytilus edulis; Performances d’élevage; Bassins conchylicoles; Croissance; Décrochage; Mortalité; Byssus; Prédation; Réseaux; Sécheresse; Régimes de vents; Mussel farming; Bouchot; Mytilus edulis; Growth; Mortality; Byssus; Detachment; Meteorological conditions.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00142/25341/23422.pdf
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Premières observations sur les anomalies des branchies de la moule (Mytilus edulis) ArchiMer
Lasserre, Claudine; Gras, Paul.
Après qu'on eut observé, d'abord chez Crassostrea angulata, puis chez Ostrea edulis et C. gigas, de diverses provance, des anomalies dans la morphologie et la structure des branchies -décrites sous le nom de "maladie des branchies", la question s'est posée de savoir si d'autres mollusques vivant dans le même milieu et, très souvent, auprès des huîtres, présentaient des altérations semblables.
Tipo: Text Palavras-chave: Mytiliculture; Mytilus edulis; Morphologie; Physiologie; Anomalie.
Ano: 1969 URL: http://archimer.ifremer.fr/doc/00010/12117/8843.pdf
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Le tri préingestif particulaire chez l'huître Crassostrea gigas et la moule Mytilus edulis ArchiMer
Bougrier, Serge; Heral, Maurice; Hawkins, Andrew; Bayne, Barry.
Using flow cytometry techniques, it is possible to study both the potential impact of filter-feeder bivalves on microalgal communities as well as the changes in the grazed microalgae and the behaviour of these bivalves whose diet is composed of a mixture of different species.
Tipo: Text Palavras-chave: Physiologie; Mytilus edulis; Crassostrea gigas; Tri préingestif.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/1997/acte-3252.pdf
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The behaviour of F specific bacteriophage in depurating shellfish with reference to their use as pollution indicator organisms ArchiMer
Lees, D; Dore, W.
The behaviour of sex-pilli specific (F+) bacteriophage during the depuration process was investigated using Pacific oysters (Crassostrea gigas) and edible mussels (Mytilus edulis) naturally contaminated with untreated sewage. F+ bacteriophage was eliminated considerably slower than E. coli. This effect was most pronounced in oysters which showed average T90 bacteriophage values of 62.5 hours compared with 11 hours for E. coli. F+ bacteriophage in mussels was largely confined to the digestive tract. The majority of E. coli were similarly located but, in contrast, counts were also distributed throughout the other internal tissues. Investigation of ultra-violet (UV) dosage showed that the difference in depuration rate was unlikely to be due to the higher...
Tipo: Text Palavras-chave: Escherichia coli; Mytilus edulis; Crassostrea gigas; Bivalvia; Indicator species; Marine molluscs; Bacteriophages; Pollution indicators; Marine pollution; Shellfish; Self purification.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1605.pdf
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Rapport sur l'activité du laboratoire de La Tremblade - Année 1969 ArchiMer
Trochon, Pierre.
Rapport sur l'activité du Laboratoire ISTPM (Institut Scientifique et Technique des Pêches Maritimes) de La Tremblade année 1969
Tipo: Text Palavras-chave: Rapport activité; Conchyliculture; Hydrologie; Mortalité; Météorologie; Reproduction; Claire ostréicole; Crassostrea angulata; Ostrea edulis; Mytilus edulis; Marennes Oléron.
Ano: 1969 URL: http://archimer.ifremer.fr/doc/00069/18051/15593.pdf
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Réseau national d'observation de la moule bleue Mytilus edulis, MYTILOBS, Campagne 2014-2 ArchiMer
Robert, Stephane; Bouget, Jean-francois; Fleury, Elodie; Chauvin, Jacky; Gagnery, Aline; Normand, Julien; Blin, Jean Louis; Cheve, Julien; Dagault, Francoise; Gerla, Daniel; Lejolivet, Aurore; Penot, Julia; Chabirand, Jean-michel; Genauzeau, Sylvie; Geairon, Philippe; Grizon, James; Le Moine, Olivier; Schmitt-gallotti, Anne; Seugnet, Jean-luc; Soletchnik, Patrick.
Le réseau national Mytilobs est implanté dans les principales régions mytilicoles du littoral atlantique : Normandie, Bretagne Nord, Bretagne Sud, Pays de Loire et Poitou-Charentes. Les sites d’Agon (Ouest Cotentin), du Vivier (baie du Mont Saint-Michel), de Pont Mahé (baie de Vilaine), de l’Aiguillon (pertuis Breton), d’Yves (pertuis d’Antioche) représentent l'élevage sur bouchot du Nord au Sud. Le site Filière (pertuis Breton) représente l’élevage sur corde, en pleine eau. La mise à l’eau des cheptels sur l’ensemble des sites du réseau, en septembre 2013, s’est faite à partir d’un même lot de moules calibrées (23,97 +/- 0,7mm), captées sur corde dans le pertuis Breton. Les prélèvements de la campagne 2014 (septembre 2013-décembre 2014) sont trimestriels....
Tipo: Text Palavras-chave: Mytilus edulis; Moule; Bouchot; Mortalité; Croissance; Température; Phytoplancton; Réseau; Biométrie; Environnement.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00270/38086/36231.pdf
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Strategy of researches on marine bivalve defense mechanisms ArchiMer
Bachere, Evelyne; Mialhe, Eric; Noel, Thierry; Boulo, Viviane; Hervio, Dominique; Le Gall, Ghyslaine; Morvan, Annie.
Because of the impact of infectious diseases in marine mollusc aquaculture, research has been initially developed in pathology in term of epidemiology and diagnosis. The establishment of basic techniques for in vitro and in vivo studies of host/pathogen interactions and the progresses in the field of cellular and molecular biology have permitted to undertake researches in immunology. Parallel to fundamental interest in understanding defense mecanisms of molluscs against pathogens, applications may be expected for resistant strains obtained by genetic engineering.
Tipo: Text Palavras-chave: Defense mechanisms; Hosts; Immunology; Pathogens; Crassostrea gigas; Mytilus edulis.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/00038/14884/12207.pdf
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Rapport sur l'activité du Laboratoire de La Tremblade - Année 1965 ArchiMer
Trochon, Pierre.
Rapport sur l'activité du Laboratoire ISTPM (Institut Scientifique et Technique des Pêches Maritimes) de La Tremblade année 1965
Tipo: Text Palavras-chave: Rapport activité; Conchyliculture; Hydrologie; Mortalité; Météorologie; Reproduction; Claire ostréicole; Crassostrea angulata; Ostrea edulis; Mytilus edulis; Marennes Oléron.
Ano: 1965 URL: http://archimer.ifremer.fr/doc/00069/18047/15589.pdf
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Suivi expérimental de la croissance de la moule, Mytilus edulis, sur les bouchots des Pertuis Charentais entre 2000 et 2010. Etude des performances de croissance en liens avec l'environnement des élevages ArchiMer
Soletchnik, Patrick; Robert, Stephane; Le Moine, Olivier.
L’étude constitue une analyse du réseau de suivi de la croissance de la moule bleue (Mytilus edulis) dans les pertuis charentais (réseau REMOULA) en 2000-2010, sur 5 sites expérimentaux des principaux bouchots des pertuis. Elle comprend une analyse environnementale et une série d’analyses multivariées pour tenter d’expliquer les relations entre l’environnement et la croissance des moules. L’environnement est analysé à l’aide d’un large panel de variables météorologiques, hydrodynamiques et hydrobiologiques. Un des objectifs de l’étude est d’évaluer le poids de la variabilité inter annuelle de la croissance (effet année) au regard de la localisation géographique des élevages (effet site). Dans cette étude, quelques années : 2005, 2007 et 2010 apparaissent...
Tipo: Text Palavras-chave: Moule; Mytilus edulis; Pertuis Charentais; Marennes Oléron.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00120/23097/20946.pdf
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Mise au point d'un protocole standard utilisant la cuisson au four à micro-ondes pour la mesure d'un indice de condition de moules ArchiMer
Besse, Thimothee; Mazurie, Joseph.
Dans le cadre des programmes des analyses biométriques sont effectuées régulièrement sur des lots de moules. Le taux de remplissage est alors mesuré, pour suivre la croissance de celles-ci. La chair et le poids de coquille sont alors mesurés indépendamment du poids entier. Toutefois il est apparu nécessaire d'accélérer ces mesures par une méthode facilitant l'écoquillage des moules fraîches. Un passage des moules au micro-ondes induit une ouverture des valves et un décollement de la chair, et il est alors possible de traiter rapidement des lots entiers.
Tipo: Text Palavras-chave: Protocole expérimental; Indice de condition; Poids de chair; Moules; Mytilus edulis; Micro- ondes.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/00014/12479/9325.pdf
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Modélisation de la détoxication de mollusques bivalves contenant des phycotoxines paralysantes ou diarrhéiques ArchiMer
Gueguen, Marielle.
The purpose of this study is to implement models to describe detoxification kinetics of Pacific oysters Crassostrea gigas and Blue mussels Mytilus edulis containing paralytic and diarrheic phycotoxins respectively. First, experimental trials made it possible to complement data from the literature regarding the understanding of processes involved in mollusc detoxification. In particular, they pointed out a difference in the mollusc capacity to degrade cellwalls of phycotoxin-producing dinoflagellates, according to their en cystement capacities. It was observed that paralytic phycotoxins reached the various oyster tissues whereas diarrheic toxins were mainly sequestred in the digestive gland of mussels. The latter seem to be retained by lysosomes localized...
Tipo: Text Palavras-chave: Modélisation; Mytilus edulis; Crassostrea gigas; Phycotoxines; Détoxication; Acide okadaïque; Toxines paralysantes; Modelling; Mytilus edulis; Crassostrea gigas; Phycotoxins; Detoxification; Okadaix acid; Paralytic toxin.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00003/11473/8032.pdf
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A first genetic linkage map of the blue mussel Mytilus edulis ArchiMer
Lallias, Delphine; Hecquet, Céline; Boudry, Pierre; Lapegue, Sylvie; Beaumont, Andy.
The blue mussel, Mytilus edulis, is widely distributed in the northern hemisphere, from the White Sea to the Atlantic coast of southern France, and is an economically important species (1 million tons per year, FAO, 2002). At present however, little domestication has been achieved with bivalves, in contrast to agricultural crops, livestock and horticultural species like tomatoes, where selection and production is entirely controlled by man. For bivalves, despite their economic importance, no lines with selected characteristics have been taken to the production scale. There is therefore a need to make up for lost time. Our interest in genetic mapping sprang from some results showing a genetic component to some economically important traits like growth and...
Tipo: Text Palavras-chave: QTLs; AFLP; Genetic; Mussel; Mytilus edulis; Genetic linkage map.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/acte-3465.pdf
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Spatial variations in biomarkers of Mytilus edulis mussels at four polluted regions spanning the Northern Hemisphere ArchiMer
Gagne, F; Burgeot, Thierry; Hellou, J; St Jean, S; Farcy, E; Blaise, C.
Economic and social developments have taken place at the expense of the health of the environment, both locally and on a global scale. In an attempt to better understand the large-scale effects of pollution and other stressors like climate change on the health status of Mytilus edulis, mussels were collected during the first two weeks of June 2005 at three sites (one pristine and two affected by pollution) located in each of the regions of the Canadian West Coast, the St. Lawrence estuary, the Atlantic East Coast and the northwestern coast of France, covering a total distance of some I 1000 km. The mussels were analyzed for morphologic integrity (condition factor), gametogenic activity (gonado-somatic and gonad maturation index, vitellogenin(Vtg)-like...
Tipo: Text Palavras-chave: Health status; Mytilus edulis; Global changes; Pollution; Biomarkers.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-4342.pdf
Registros recuperados: 143
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