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Michel, Pierre / Boutier, Bernard / Herbland, Alain / Averty, Bernard / Artigas, Lf / Auger, Dominique / Chartier, E - 1998The arsenic (As) cycle in the marine environment is known to be sensitive to biological activity. Within the scope of the National Coastal Oceanography Program, we undertook a specific study of the behaviour of this element in a water column on the continental shelf of the Bay of Biscay off the...Contributeur (s):
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Alzieu, Claude / Abarnou, Alain / Bassoullet, Philippe / Boutier, Bernard / Chiffoleau, Jean-francois / Crenn, Isabelle / Derrien, Annick / Erard-le Denn, Evelyne / Gourmelon, Michele / Guiliaud, Jean-françois / Silva Jacinto, Ricardo / Le Cann, Pierre / Le Guyader, Françoise / Le Hir, Pierre / L'Yavanc, Jacky / Mauvais, Jean-louis / Menard, Dominique / Michel, Pierre / Monbet, Yves / Pommepuy, Monique / Quiniou, Francoise - 1999Port activities require continuous or occasional dredging of considerable quantities of sediments : approximately 50 million m3 along the French coastline. A large proportion of the dredgings is authorized for dumping at sea in geographically delimited areas and following an impact evaluation of...Contributeur (s):
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Michel, Pierre - 1993Arsenic levels of in the marine environment are high in comparison with other contaminants. Over the past twenty years, a large number of arsenic organic compounds have been identified in the water, sediments and living species. This document constitutes a synthesis of current knowledge on arsenic...Contributeur (s):
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Michel, Pierre - 1985Arsenic is an important element in marine environment due to its level 1,000 times higher that of mercury and its behavior close to that of phosphorus. This overview recalls few chemical and biochemical basis and presents the current state of knowledge about its sources, concentration levels in...Contributeur (s):
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Michel, Pierre - 1972Standard methods were used to assess the effectiveness of 101 products for use against oil slicks. Products were emulsifiers, agglomerants or precipitants and were tested against oil from Edjele, Kuwait and Syria. For each kind of product, a review is given of the previous tests, the choice of...Contributeur (s):
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Michel, Pierre - 1972Introduction: Measuring the chemical oxygen demand (COD) is a way of determining the organic matter in water based on its oxidisibility by bichromate. The presence of organic matter in sea water is one of the factors that determines the productivity of the oceans: whether this organic matter will...Contributeur (s):
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Grizel, Henri / Michel, Pierre / Abarnou, Alain / Guegan, B. - 1979Oyster contamination present on Oyster-beds in Abers-Morlaix bay when stranding arrives, decontamination of this oysters in others clean rivers an clean oyster stocks in oyster-beds, submersible and insubmersible thanks in pollute rivers are described. Pratical implication of this result in given.Contributeur (s):
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Michel, Pierre - 1978Some fish mortalities have been observed immediately after the wreck of the "Amoco-Cadiz". Therefore most of them have not been very contaminated. The author thinks that fish rapidly escaped from the polluted area for some time.Contributeur (s):
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Grizel, Henri / Michel, Pierre / Abarnou, Alain - 1978L'échouage de l'"Amoco-Cadiz" sur le site de Portsall, la nuit du 16 mars, a provoqué l'écoulement de la cargaison d'hydrocarbures contenue dans les soutes de ce bateau. Ceux-ci, sous l'action des vents dominants, s'étendaient vers l'est du point de la...Contributeur (s):
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Alzieu, Claude / Michel, Pierre / Thibaud, Yves - 1976A survey about mercury, chlorinated and total hydrocarbons contents in five species of coastal shellfishes shows that harbour and estuarine areas are among the most polluted. These contents are lowest for gasteropods than bivalves. For mercury and total hydrocarbons, we show there is a level,...Contributeur (s):
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Michel, Pierre - 1976On November 17th 1975, the tanker "Port de Bouc" with 1 700 t. of fuel n° 2 on board run aground in Saint-Brieuc Bight and 470 t. of this product escaped. The mussel farming zones situated between 10 and 20 km from the oil spill place were rapidly polluted within a few days. The appraised...Contributeur (s):
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Lassus, Patrick / Michel, Pierre / Maggi, Pierre - 1982Le "carbon black oil" transporté par le "Gino" au moment de son naufrage est caractérisé par une densité supérieure à celle de l'eau de mer et une forte viscosité (tableau 1). Il en résulte donc un comportement fort différent de celui des pétroles bruts : écoulement en...Contributeur (s):
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Michel, Pierre / Abarnou, Alain - 1981La campagne "Gino II" réalisée par l'I.S.T.P.M. en avril 1981 à bord du N/O "Pelagia", et les études en laboratoire qui ont suivi, permettent de faire le point de la contamination et de noter l'évolution. - Dans les sédiments, à la périphérie d'une nappe de Carbon...Contributeur (s):
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Michel, Pierre - 1972Cette mission prise en charge par le Ministère des Affaires Etrangères s'inscrivait dans le cadre des études menées par le laboratoire central d'hydrobiologie de Rome, au Nord du Cap Corse, dans la zone de décharge des effluents de l'usine italienne MONTEDISON.Contributeur (s):
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Gouygou, Jean-paul / Michel, Pierre - 1981L'accident de l'"Amoco-Cadiz"le 16 mars 1978 est venu compromettre gravement les activites ostréicoles implantées en Bretagne nord et plus spécialement dans l'Aber Benoît, l'Aber Wrac'h et la baie de Morlaix. Malgré l'importance de la contamination, il est...Contributeur (s):