Search Results - "Maury Brachet, R."

Gold-Mining Activities and Mercury Contamination of Native Amerindian Communities in French Guiana: Key Role of Fish in Dietary Uptake by Fréry, N., Maury-Brachet, R., Maillot, E., Deheeger, M., de Mérona, B., Boudou, Alain

“…In 1994, the French National Public Health Network reported significant mercury exposure of native Amerindians in French Guiana. In 1997, a study was conducted…”
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Otolith microchemistry interrogation of comparative contamination by Cd, Cu and PCBs of eel and flounder, in a large SW France catchment by Daverat, F., Tapie, N., Quiniou, L., Maury Brachet, R., Riso, R., Eon, M., Laroche, J., Budzinski, H.

“…Individual European flounder and European eel levels of contamination by cadmium, copper and 7PCBs were related to their retrospective pattern of habitat use,…”
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Geochemical survey and metal bioaccumulation of three bivalve species ( Crassostrea gigas, Cerastoderma edule and Ruditapes philippinarum) in the Nord Médoc salt marshes (Gironde estuary, France) by Baudrimont, M., Schäfer, J., Marie, V., Maury-Brachet, R., Bossy, C., Boudou, A., Blanc, G.

“…A 15-month experiment combining a geochemical survey of Cd, Cu, Zn and Hg with a bioaccumulation study for three filter-feeding bivalve species (oysters,…”
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Mercury methylation rates of biofilm and plankton microorganisms from a hydroelectric reservoir in French Guiana by Huguet, L., Castelle, S., Schäfer, J., Blanc, G., Maury-Brachet, R., Reynouard, C., Jorand, F.

“…The Petit-Saut ecosystem is a hydroelectric reservoir covering 365 km 2 of flooded tropical forest. This reservoir and the Sinnamary Estuary downstream of the…”
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Contamination by Heavy Metals (Cd, Zn, Cu, and Hg) of Eight Fish Species in the Gironde Estuary (France) by Durrieu, Gilles, Maury-Brachet, Régine, Girardin, Michel, Rochard, Eric, Boudou, Alain

“…The Gironde estuary, one of the largest in Europe, is considered as a reference ecological system, with all the western European diadromous fish species…”
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Synergic Effect of Gold Mining and Damming on Mercury Contamination in Fish by Boudou, Alain, Maury-Brachet, Régine, Coquery, Marina, Durrieu, Gilles, Cossa, Daniel

“…Since the late 1980s, several studies have shown that human populations in the Amazon basin are exposed to high mercury levels in their fish diet. Gold mining,…”
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Tissue distribution of inorganic mercury, methylmercury and cadmium in the Asiatic clam ( Corbicula fluminea) in relation to the contamination levels of the water column and sediment by Inza, B., Ribeyre, F., Maury-Brachet, R., Boudou, A.

“…The comparative experimental study of inorganic mercury (HgII), methylmercury (MeHg) and cadmium (Cd) bioaccumulation in the Asiatic clam Corbicula fluminea…”
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Specific Pathways of Dietary Methylmercury and Inorganic Mercury Determined by Mercury Speciation and Isotopic Composition in Zebrafish (Danio rerio) by Feng, Caiyan, Pedrero, Zoyne, Gentès, Sophie, Barre, Julien, Renedo, Marina, Tessier, Emmanuel, Berail, Sylvain, Maury-Brachet, Régine, Mesmer-Dudons, Nathalie, Baudrimont, Magalie, Legeay, Alexia, Maurice, Laurence, Gonzalez, Patrice, Amouroux, David

“…An original approach is proposed to investigate inorganic (iHg) and methylmercury (MeHg) trophic transfer and fate in a model fish, Danio rerio, by combining…”
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Specific Effects of Dietary Methylmercury and Inorganic Mercury in Zebrafish (Danio rerio) Determined by Genetic, Histological, and Metallothionein Responses by Gentès, Sophie, Maury-Brachet, Régine, Feng, Caiyan, Pedrero, Zoyne, Tessier, Emmanuel, Legeay, Alexia, Mesmer-Dudons, Nathalie, Baudrimont, Magalie, Maurice, Laurence, Amouroux, David, Gonzalez, Patrice

“…A multidisciplinary approach is proposed here to compare toxicity mechanisms of methylmercury (MeHg) and inorganic mercury (iHg) in muscle, liver, and brain…”
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Application of the European Water Framework Directive: Identification of reference sites and bioindicator fish species for mercury in tropical freshwater ecosystems (French Guiana) by Gentès, Sophie, Coquery, Marina, Vigouroux, Régis, Hanquiez, Vincent, Allard, Luc, Maury-Brachet, Régine

“…•Mercury (Hg) levels were measured in 6208 fish in French Guiana (creeks and rivers)•All fish in creeks and 84% in rivers had Hg concentration above the…”
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Remediation of a watershed contaminated by heavy metals: A 2-year field biomonitoring of periphytic biofilms by Arini, Adeline, Feurtet-Mazel, Agnès, Morin, Soizic, Maury-Brachet, Régine, Coste, Michel, Delmas, François

“…This study focuses on an industrial contamination site subjected to remediation processes since 2007 in the Riou-Mort watershed (southwest France). The purpose…”
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Recovery potential of periphytic biofilms translocated in artificial streams after industrial contamination (Cd and Zn) by Arini, Adeline, Feurtet-Mazel, Agnès, Maury-Brachet, Régine, Pokrovsky, Oleg S., Coste, Michel, Delmas, François

“…Metal wastes can significantly disturb aquatic communities, particularly photosynthetic organisms, the main primary producers in freshwater running ecosystems…”
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Actions and interactions of temperature and photoperiod on mercury accumulation by Elodea densa from sediment source by Maury-Brachet, R, Ribeyre, F, Boudou, A

“…Actions and interactions of two abiotic parameters--temperature (18, 21, and 24 degrees C) and photoperiod (8, 12, and 16 hr/day)--on mercury bioaccumulation…”
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Multicompartment ecotoxicological models to study mercury bioaccumulation and transfer in freshwater systems by RIBEYRE, F, BOUDOU, A, MAURY-BRACHET, R

“…We have developed a methodology based on interactive ecotoxicological models - experimental ecosystems - to quantify actions and interaction of abiotic and…”
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Field translocation of diatom biofilms impacted by Cd and Zn to assess decontamination and community restructuring capacities by Arini, Adeline, Feurtet-Mazel, Agnès, Maury-Brachet, Régine, Coste, Michel, Delmas, François

“…▸ A decontamination study was conducted on biofilms to assess their recovery potential. ▸ After a colonisation in a polluted site, biofilms were translocated…”
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Goldmining and mercury contamination of the piscivorous fish Hoplias aimara in French Guiana (Amazon basin) by Durrieu, Gilles, Maury-Brachet, Régine, Boudou, Alain

“…Mercury contamination of 35 freshwater fish species collected from the upper part of the Petit-Saut hydroelectric reservoir (French Guiana) was analyzed in…”
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Effects of methylmercury contained in a diet mimicking the Wayana Amerindians contamination through fish consumption: mercury accumulation, metallothionein induction, gene expression variations, and role of the chemokine CCL2 by Bourdineaud, Jean-Paul, Laclau, Muriel, Maury-Brachet, Régine, Gonzalez, Patrice, Baudrimont, Magalie, Mesmer-Dudons, Nathalie, Fujimura, Masatake, Marighetto, Aline, Godefroy, David, Rostène, William, Brèthes, Daniel

“…Methylmercury (MeHg) is a potent neurotoxin, and human beings are mainly exposed to this pollutant through fish consumption. We addressed the question of…”
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Biofilm and mercury availability as key factors for mercury accumulation in fish (Curimata cyprinoides) from a disturbed amazonian freshwater system by Dominique, Yannick, Maury-Brachet, Régine, Muresan, Bogdan, Vigouroux, Régis, Richard, Sandrine, Cossa, Daniel, Mariotti, André, Boudou, Alain

“…The Petit‐Saut hydroelectric reservoir was filled in 1994 on the Sinnamary River in French Guiana (Amazonian basin). Flooding of the equatorial rain forest led…”
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Mercury contamination and life history traits of Allis shad Alosa alosa (Linnaeus, 1758) and Twaite shad Alosa fallax (Lacépède, 1803) in the Gironde estuary (South West France) by Lochet, Aude, Maury-Brachet, Régine, Poirier, Claire, Tomás, Javier, Lahaye, Michel, Aprahamian, Miran, Rochard, Eric

“…Mercury concentration [Hg] was assessed in 20 adult Allis shad Alosa alosa (54-59 cm) and 20 adult Twaite shad Alosa fallax (36-44 cm) collected during their…”
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The ‘Storm of the Century’ (December 1999) and the accidental escape of Siberian sturgeons (Acipenser baerii) into the Gironde estuary (Southwest France): An original approach for metal contamination by Maury-Brachet, Régine, Rochard, Eric, Durrieu, Gilles, Boudou, Alain

“…Goal, Scope and Background The Gironde estuary is considered as a reference ecosystem with a large fish assemblage (75 species) and the presence of eleven…”
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