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Registros recuperados: 26
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Première approche d'une méthode d'estimation prévisionnelle de la production potentielle d'huître creuse C. gigas d'élevage ArchiMer
Berthome, Jean-paul; Prou, Jean; Razet, Daniel; Garnier, Jacqueline.
In this study~ various spat collectors, factory-made or hand-made are described. Recruiting valuation is realized by calculation of total surface of collectors (aerial photography and sampling method), with modulation by "catching ability" of the different types of collectors. Total mortality and growth are integrated into production valuation. It can be used to determine the relative fluctuations of commercial oyster production after a culture of three years long. In. Marennes-Oleron, the method is used in two test areas for three years with a great variability of catching between 1980 -81 -82.
Tipo: Text Palavras-chave: Marennes Oleron basin; Production valuation; Spatfall; Crassostrea gigas; Bassin de Marennes Oléron; Evaluation de la production; Captage; Crassostrea gigas.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/publication-2929.pdf
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Un projet de réseau instrumenté pour la surveillance de l'environnement littoral ArchiMer
Berthome, Jean-paul.
Le projet de développement d'un réseau instrumenté de surveillance de l'environnement littoral correspond à une nécessité d'observations, sur de longues séries temporelles, et de mesures à des fréquences élevées. Il est le résultat d'une analyse des besoins des différents types d'utilisations. Il est l'occasion de coopération entre des scientifiques et des industriels pour développer un réseau de stations instrumentées multiparamètres transmettant les données par satellite vers une station de traitement des données et de diffusion de celles-ci par réseau informatisé.
Tipo: Text Palavras-chave: Surveillance; Capteur; Bouée; Monitoring; Sensor; Buoy.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/00107/21823/19411.pdf
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Inventaire des phénomènes d'eaux colorées et des apparitions de dinoflagelles toxiques sur les cotes françaises en 1984 ArchiMer
Berthome, Jean-paul; Lassus, Patrick.
Comme les années précédentes (1980 à 1983) nous avons dressé ici un récapitulatif géographique (du Nord au Sud) des principales perturbations phytoplanctoniques observées sur les côtes françaises en 1984.
Tipo: Text
Ano: 1984 URL: http://archimer.ifremer.fr/doc/00046/15737/13139.pdf
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Absence de captage de Crassostrea gigas dans le bassin de Marennes-Oléron en 1981 : causes et conséquences ArchiMer
Berthome, Jean-paul; Deslous-paoli, Jean-marc; Heral, Maurice; Razet, Daniel; Garnier, Jacqueline.
The want of C. gigas spat-catching in the Marennes-oleron basin in 1981 can be due to various different reasons which are analysed here. Physico -chemical and trophic factors that can induce variations in the quality of gametogenesis, are successively in comparison with the year 1979 when reproduction was good. The biochemical evolution and a study of gonads slow a lack in maturation in 1981 even during the summer period. Late maturation of gonads bring about physiological consequences which induced mortality of cultivated oysters at the end of winter. A feeble recruit and a decrease of the cultivated stock have economic consequences which here sketched up.
Tipo: Text Palavras-chave: Larvae; Recrutment; Spat; Crassostrea gigas; Oysters; Larves; Recrutement; Captage; Crassostrea gigas; Huîtres.
Ano: 1982 URL: http://archimer.ifremer.fr/doc/1982/acte-2948.PDF
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Assurance qualité et accréditation: contexte général et application à la DEL ArchiMer
Berthome, Jean-paul; Herve, Christiane.
Quality assurance specifications, standards and inspection organisms are presented. French and international status shows that quality assurance is sharply expanding. Several french research institutes have started this kind of step wich has led to analysis laboratories accreditation. European regulation will oblige organisms such as IFREMER to give anal ysis results coming from accreditated laboratories (thermotolerant coliforms and phycotoxins). Different phases of laboratories accreditation are presented. Reflection on quality assurance in research has been developed on the behalf of Upper Education and Research Ministry.
Tipo: Text Palavras-chave: Assurance qualité; Accréditation; Quality assurance; Accreditation.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/00408/51924/52547.pdf
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Bilan des perturbations phytoplanctoniques observées sur les côtes françaises en 1985 ArchiMer
Berthome, Jean-paul; Belin, Catherine.
In 1985, twenty discolored waters have been observed with dinoflagellates as the most frequently encountered group. Shellfishes mortalities due to occurence of Gyrodinium spirale were observed in Etang de Thau. Likewise, the growth of molluscs juveniles was inhibited by a bloom of Gyrodinium aureolum (Tinduff area). At last, development of Dinophysis cf. acuminata in some coastal areas has caused provisional prohibition of shellfishes selling. However, economic consequences were less important than in 1984 and particularly with regard to 1983.
Tipo: Text
Ano: 1988 URL: http://archimer.ifremer.fr/doc/00119/23024/20855.pdf
Registros recuperados: 26
Primeira ... 12 ... Última
 

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