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Registros recuperados: 140
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A comparison of growth and biochemical composition of Mytilus galloprovincialis (Lmk.) and Mytilus edulis (L.) on the West coast of Cotentin, Normandy, France 1999-2000 ArchiMer
Kopp, Joel; Cornette, Florence; Simonne, Charlotte.
The blue mussel, Mytilus edulis has been reared along the Normandy coast line since the 1960s. The gonadal cycle of this mussel species shows a sharp decrease in meat quality during the winter period after spawning. This decline in meat quality is so severe that sales have to be suspended from December to July. Another species of mussel, Mytilus galloprovincialis, which is reared in the lagoons along the French shore of the Mediterranean Sea has a different spawning cycle. An experiment was undertaken to study the meat quality of M. Galloprovincialis throughout the year after the spat were transferred from the Mediterranean Sea to the Normandy coast. This species showed an immediate adaptation to the gonadal cycle of M. edulis. Despite suggestions from...
Tipo: Text Palavras-chave: Meat quality; Mytilus galloprovincialis; Mytilus edulis; Gonadal cycle.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-422.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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A propos des problèmes de captage de naissain de moules (Mytilus edulis L.) dans le Pertuis Breton de 1989 à 1991 : observations préliminaires ArchiMer
Dardignac, Marie-jose; Prou, Jean.
A retrospective study has been carried out on the possible relationships between the spat recruitment of mussels from the Pertuis Breton (France) and some environmental factors at different periods of the year. A significant negative correlation between recruitment and temperature has been found at two periods of the reproductive cycle; the first one coinciding with gametogenesis and the second one taking place just before spawning. But, no relation was noticed with temperature or salinity during the plantonic stage. These results are discussed. An interesting relationship was found between recruitment and "E.T.P.", an index expressing the drying power of air, taking into account temperature, wind, sunshine and moistness. Dessication appears to be...
Tipo: Text Palavras-chave: Charente Maritime; Pertuis Breton; ETP; Salinité; Température; Estimation biomasse; Mytilus edulis; Moules; Captage.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/1995/publication-3826.PDF
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AFLP-based genetic linkage maps of the blue mussel (Mytilus edulis) ArchiMer
Lallias, Delphine; Lapegue, Sylvie; Hecquet, Celine; Boudry, Pierre; Beaumont, A.
We report the construction of the first genetic linkage map in the blue mussel, Mytilus edulis. AFLP markers were used in 86 full-sib progeny from a controlled pair mating, applying a double pseudo-test cross strategy. Thirty-six primer pairs generated 2354 peaks, of which 791 (33.6%) were polymorphic in the mapping family. Among those, 341 segregated through the female parent, 296 through the male parent (type 1:1) and 154 through both parents (type 3:1). Chi-square goodness-of-fit tests revealed that 71% and 73% of type 1:1 and 3:1 markers respectively segregated according to Mendelian inheritance. Sex-specific linkage maps were built with mapmaker 3.0 software. The female framework map consisted of 121 markers ordered into 14 linkage groups, spanning...
Tipo: Text Palavras-chave: Mytilus edulis; Genetic linkage map; Blue mussel; AFLP.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2830.pdf
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Applying Dynamic Energy Budget (DEB) theory to simulate growth and bio-energetics of blue mussels under low seston conditions ArchiMer
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 four datasets from laboratory experiments (physiological and biometrical mussel data) and three datasets from in situ growth experiments (biometrical mussel data). Additional in situ data from commercial farms in southern Norway were used for estimation of biometricalrelationships in the mussels. Three DEB parameters (shape coefficient, half saturation coefficient, and somatic maintenance rate coefficient) were estimated from experimental data, and the estimated parameters were complemented with parameter values from literature to establish a basic parameter...
Tipo: Text Palavras-chave: Low seston; Modelling; DEB theory; Mytilus edulis; Mussel culture.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6266.pdf
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Assessment of energetic requirements of reared molluscs and of their main competitors ArchiMer
Deslous-paoli, Jean-marc.
In the context of aquaculture in open sea• the amount: and qua11ty of food is variable according to the season and the physical flux in the ecosystem (carrying capacity ecosystems ). Thus to predict the potential al production of a cultivated ecosystem, it is mandatory 'co know ~he seasona1 changes in organisms energy balance of cultivated organisms. These changes result from the environmental variability either in the temperature or more significantly in the nutrients supply (Bayne and Newell, 1983). The techniques of physiological energetics allow to understand the adaptations of the energy balance in bivalve molluscs and to calculate the complete energy budget all over the seasonal variations of the field. Such studies are few, they include...
Tipo: Text Palavras-chave: Crepidula fornicata; Perna perna; Mytilus chilensis; Mytilus edulis; Mercenaria mercenaria; Crassostrea gigas; Scrobicularia plana; Physilogy; Energy balance; Carrying capacity ecosystems.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-2960.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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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
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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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Can habitat specialisation maintain a mosaic hybrid zone in marine bivalves? ArchiMer
Bierne, Nicolas; David, Pierre; Langlade, Aime; Bonhomme, F.
Maintaining the integrity of differentiated genomes in marine organisms needs efficient isolation mechanisms, because planktonic larval dispersion provides contacts between taxa. Habitat specialisation is interesting in this respect, because it can both prevent interspecific crosses (each taxon reproduces in its own habitat) and eliminate hybrids (typically less fit than a parental taxon in each habitat). The contact zone between smooth-shelled mussels Mytilus edulis and M. galloprovincialis in Europe is a good example, as allozyme genotypes typical of both taxa seem to segregate into different habitats. However, allozymes may be selected directly and it is not known whether the same pattern can be extended to the whole genome. Here, we used 6 presumably...
Tipo: Text Palavras-chave: Habitat specialisation; Hybrid zone; Introgression; Mytilus edulis; Mytilus galloprovincialis.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00000/10228/7597.pdf
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Characteristics of the particulate matter during the Mai '92 experiment. Effect on ecophysiological functions on mussel and oyster populations. ArchiMer
Prou, Jean; Soletchnik, Patrick; Heral, Maurice; Geairon, Philippe; Razet, Daniel; Bougrier, Serge.
In order to complete the knowledge of seasonal variability of ecophysiological parameters, in situ experiment was conducted in May 1992 at the sampling site "Le Chapus". As in the previous experiments (May '91, October '91 and February '92), the race-way technique was used to study ecophysiological behavior of oyster and mussel populations submitted to natural variability.
Tipo: Text Palavras-chave: Pacific cupped oyster; Crassotrea gigas; Particulate matter; Pigments; Particle size distribution; Retention; Filtration; Mytilus edulis.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/00100/21091/18715.pdf
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Characterization of ten microsatellite loci in the blue mussel Mytilus edulis ArchiMer
Lallias, Delphine; Stockdale, Ruth; Boudry, Pierre; Lapegue, Sylvie; Beaumont, Andy R..
Mussels of the genus Mytilus are ecologically and commercially important worldwide, and they form hybrid complexes where their distributions overlap. Allozyme and nuclear markers have bee It Used to investigate their genetics over many years, but successful development of reliable highly valuable microsatellite markers has lagged be hind other shellfish species. We have developed and characterized tell novel microsatellite loci that amplify reliably for the blue mussel Mytilus edulis. The number of alleles among 30 individuals from a wild population (Menai Strait, North Wales UK) ranged between 9 and 29 and the observed heterozygosity between 0.300 and 0.954. Significant heterozygote deficiencies against the Hardy-Weinberg model were observed at 6 out of...
Tipo: Text Palavras-chave: Mytilus edulis; Microsatellites; Universal tailed-primer labeling; Null alleles; Mussels.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00002/11275/7841.pdf
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Colus sp. Serpent
MacLean, M..
Feeding aggregation
Tipo: Image Palavras-chave: Family Pandalidae (Shrimps); Family Buccinidae (Buccinid Whelks); Family Mytilidae (Mussels); Colus sp.; Mytilus edulis; Crossaster sp.; Pandalus sp..
Ano: 2006 URL: http://archive.serpentproject.com/2000/
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Community of anemones, mussels and hydroids in the North Sea Serpent
A community of anemones, mussels and hydroids living on and around the bottom of the Heather Alpha platform in the North Sea
Tipo: Image Palavras-chave: Actiniidae (Sea anemones); Tubulariidae; Family Mytilidae (Mussels); Urticina sp.; Mytilus edulis; Tubularia sp..
Ano: 2007 URL: http://archive.serpentproject.com/1008/
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Community of anemones, mussels and hydroids in the North Sea Serpent
A community of anemones, mussels and hydroids living on and around the bottom of the Heather Alpha platform in the North Sea
Tipo: Image Palavras-chave: Actiniidae (Sea anemones); Tubulariidae; Family Mytilidae (Mussels); Urticina sp.; Mytilus edulis; Tubularia sp..
Ano: 2007 URL: http://archive.serpentproject.com/1009/
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Community of anemones, mussels, hydroids and tube worms in the North Sea Serpent
Attached to riser
Tipo: Image Palavras-chave: Family Serpulidae; Actiniidae (Sea anemones); Tubulariidae; Family Mytilidae (Mussels); Urticina sp.; Mytilus edulis; Tubularia sp.; Pomatoceros triqueter.
Ano: 2007 URL: http://archive.serpentproject.com/1015/
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Community of anemones, sea stars, brittle stars, mussels and hydroids in the North Sea Serpent
Living on subsea structure
Tipo: Image Palavras-chave: Ophiothricidae; Actiniidae (Sea anemones); Family Asteriidae (Sea stars); Tubulariidae; Family Mytilidae (Mussels); Alcyoniidae; Urticina sp.; Mytilus edulis; Tubularia sp.; Ophiothrix fragilis; Alcyonium digitatum; Asterias rubens; Metridium senile.
Ano: 2007 URL: http://archive.serpentproject.com/1018/
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Community of anemones, sea stars, brittle stars, mussels and hydroids in the North Sea Serpent
Living on subsea structure
Tipo: Image Palavras-chave: Ophiothricidae; Actiniidae (Sea anemones); Family Asteriidae (Sea stars); Tubulariidae; Family Mytilidae (Mussels); Alcyoniidae; Urticina sp.; Mytilus edulis; Tubularia sp.; Marthasterias glacialis; Ophiothrix fragilis; Alcyonium digitatum.
Ano: 2007 URL: http://archive.serpentproject.com/1013/
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Community of mussels, sea stars, tube worms and stony coral in the North Sea Serpent
Community at base of rig
Tipo: Image Palavras-chave: Family Serpulidae; Carophylliidae (Stony coral); Family Asteriidae (Sea stars); Family Mytilidae (Mussels); Mytilus edulis; Asterias rubens; Pomatoceros triqueter; Lophelia pertusa; Caryophyllia smithii.
Ano: 2007 URL: http://archive.serpentproject.com/1019/
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Community of soft corals, anemones, mussels and hydroids in the North Sea Serpent
Attached to subsea structure of rig
Tipo: Image Palavras-chave: Actiniidae (Sea anemones); Tubulariidae; Family Mytilidae (Mussels); Alcyoniidae; Urticina sp.; Mytilus edulis; Tubularia sp.; Sagartia sp.; Alcyonium digitatum.
Ano: 2007 URL: http://archive.serpentproject.com/1017/
Registros recuperados: 140
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