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Registros recuperados: 4
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Projet CELSELEC. Amélioration de la sélectivité des chalutiers hauturiers en mer Celtique ArchiMer
Lamothe, Julien; Larnaud, Pascal; Fiche, Marion; Robert, Marianne; Morandeau, Fabien; Vacherot, Jean-philippe; Scavinner, Marion; Simon, Julien.
In the context of the new European Common Fisheries Policy and in particular the Landing Obligation, this report synthesizes the trials which were carried out between 2014 and 2016 on French bottom trawlers operating in the Celtic Sea and Western Channel, to decrease their discards. All the detail of the experiments and their results are attached in the voluminous appendices. After a state of the art and various workshops organized in partnership between fishermen, equipment manufacturers and scientists, 3 basic devices were selected for the trials, according to the main fisheries: - 100 mm square meshes cylinder - SMC - (in addition to the mandatory 100mm and 120 mm square mesh panels - SMP) with or without scaring floats ; - Extension + codend in...
Tipo: Text Palavras-chave: Sélectivité; Mer Celtique; Cylindre à mailles carrées; T90; Grille à baudroie; Rejets; Églefin; Merlan; Sanglier; Selectivity; Celtic Sea; Square mesh cylinder; T90; Monkfish grid; Discards; Haddock; Whiting; Boarfish.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00403/51488/52084.pdf
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Recherches d'ADN d'hepès virus infectant les mollusques dans les populations d'huîtres en milieu naturel et dans leur environnement ArchiMer
Pepin, Jean-francois; Solliec, Gaelle; Vigneron, Vassilia; Thebault, Anne; Lamothe, Julien; Renault, Tristan.
The presence of a herpes-type virus has been demonstrated in various species of marine shellfish (bivalves and gastropoda) throughout different regions of the world (Europe, North and South America, Asia, Australia), and is frequently associated with high mortality levels. Nevertheless, apart from the sanitary monitoring in mollusc farming, very little data is available about the detection of this type of virus in the natural populations of bivalves and about the persistence of such viruses in sea water. Various diagnostic tools have been developed in order to detect the oyster herpes virus (Ostreid herpesvirus, OsHV). The presence of this virus has been looked for by PCR in marine water samples coming from fattening ponds, in order to precise the natural...
Tipo: Text Palavras-chave: Levures; Eau de mer; Diagnostic; Huîtres; Mollusques; OsHV; Herpèsvirus.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/acte-3716.pdf
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Self-sampling of cod in the Celtic Sea ArchiMer
Bellail, Robert; Peronnet, Isabelle; Rochet, Marie-joelle; Lamothe, Julien.
Since 2003, the application of restrictive TAC for cod in area VIIb-k has led some French Professional Organisations to manage their restrictive quota by imitations of landings by trip or period or by prohibiting the landings of the smallest commercial category. In consequence of that, le level of discarding has increased by high grading practice. In the lack of available and reliable data to estimate the level of discarding and the amount of discarded fish, the assessment of Celtic Sea Cod in Divisions VIIe-k has been in recent years more and more uncertain, especially in estimating younger year classes, for a fishery which can be qualified as a recruitment fishery. On a Professional Organisation (PMA= Pêcheries Manche-Atlantique) initiative and in the...
Tipo: Text Palavras-chave: Protocole; Discard; Trawler; Sampling; Celtic sea; Cod; Protocole; Rejet; Chalutier; Echantillonnage; Mer Celtique; Cabillaud.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/rapport-6106.pdf
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Suivi pathologique du développement larvaire dans les bassins de Marennes-Oléron et d'Arcachon ArchiMer
Lamothe, Julien.
Des infections à virus de type Herpès sont rapportées chez différentes espèces de mollusques bivalves, à travers le monde. Elles sont associées à de fortes mortalités des larves dans les périodes chaudes de l'année dans des écloseries. Les variations inter-annuelles d'intensité du captage de Crassostrea gigas, et plus particulièrement le déficit de celui-ci en 1998, dans le bassin d'Arcachon, ont conduit à un programme pluriannuel de suivi. Ainsi, l'évolution des populations naturelles de larves d'huître creuse, des deux bassin de captage, Arcachon et Marennes-Oléon, est suivi afin d'expliquer d'éventuelles anomalies du recrutement. Dans ce cadre, la détection du virus de type Herpès sur ces larves du milieu naturel a été effectuée, à partir d'un protocole...
Tipo: Text Palavras-chave: Mollusques bivalves; Crassostrea gigas; Huître creuse; Larves; Herpèsvirus; Captage; Mortalités anormales; Epidémiologie.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00368/47926/47955.pdf
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