Consulta: creatorFacets:"Chiffoleau, Jean-francois"
Registros recuperados: 54
Data/hora: 12/06/2024 10:20:17

Expérimentation RINBIO 2011. Suivi de la cinétique de contamination chimique de moules (Mytillus galloprovincialis): Synthèse des mesures de contaminants chimiques dans l'eau.
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Gonzalez, Jean-louis; Bouchoucha, Marc; Chiffoleau, Jean-francois; Andral, Bruno.
Une des exploitations possibles des données acquises dans le cadre du réseau RINBIO est d'évaluer la concentration sous forme "biodisponible" de différents contaminants chimiques présents dans la colonne d'eau. Afin d'étudier cette possibilité, une expérimentation été conduite en parallèle sur trois sites en 2011 (baie du Lazaret, cap Cepet et baie de Calvi). Dans ces sites, des moules ont été "transplantées" et des mesures de la concentration de différents contaminants chimiques dans la colonne d'eau ont été réalisées. Le présent rapport traite plus spécifiquement des données concernant l'évolution temporelle des concentrations en métaux traces et composés hydrophobes mesurées pour les trois sites ateliers : par DGT (Diffusive Gradient in Thin film) et...
Tipo: Text
Palavras-chave: RINBIO; Contaminants chimiques; Métaux traces; Contaminants hydrophobes; Moules; Échantillonneurs passifs; DGT; SBSE.
Ano: 2012
URL: http://archimer.ifremer.fr/doc/00357/46855/46743.pdf

Past and present platinum contamination of a major European fluvial-estuarine system: Insights from river sediments and estuarine oysters
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Abdou, M.; Schaefer, J.; Cobelo-garcia, A.; Neira, P.; Petit, J. C. J.; Auger, Dominique; Chiffoleau, Jean-francois; Blanc, Gerard.
Platinum Group Metals (PGM) are modern, technologically relevant elements for which (i) the anthropogenic cycle has outcompeted the natural cycles and (ii) environmental behavior, fate and impact are still widely unknown. Stripping voltammetry was used for accurate determinations of platinum (Pt) in historical records of river sediments and estuarine oysters from the Gironde fluvial-estuarine continuum (SW France) comprising the Lot River. Sediment cores from the Lot River, dated from 1952 to 2001, showed past Pt contamination due to former industrial (smelter) activities in the Lot River watershed. These samples revealed the phasing-out of a historical Pt contamination with Pt/Th (Thorium) values of 11 × 10− 5 ± 0.79 × 10− 5 for the deepest part of the...
Tipo: Text
Palavras-chave: Platinum; Sediments; Wild oysters; Bioaccumulation.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00311/42177/41478.pdf

Patterns of trace metal bioaccumulation and trophic transfer in a phytoplankton-zooplankton-small pelagic fish marine food web
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Chouvelon, Tiphaine; Strady, Emilie; Harmelin-vivien, Mireille; Radakovitch, Olivier; Brach-papa, Christophe; Crochet, Sylvette; Knoery, Joel; Rozuel, Emmanuelle; Thomas, Bastien; Tronczynski, Jacek; Chiffoleau, Jean-francois.
Trace metal contamination in the European sardine and anchovy food web was investigated in the Gulf of Lions, NW Mediterranean Sea, including seawater and size fractions of plankton. The results highlighted: i) higher and more variable concentrations in the smaller plankton size classes for all metals except cadmium; ii) higher concentrations in anchovy versus sardine for all elements except lead; iii) different patterns of metal bioaccumulation through the food web: cobalt, nickel, copper, silver, lead and zinc displayed continuously decreasing concentrations (with the exception of increased zinc in fish only), while mercury concentrations dropped considerably in larger plankton size classes and rose significantly in fish. Lastly, cadmium concentrations...
Tipo: Text
Palavras-chave: Inorganic elements; Seawater; Size-classed plankton; Sardina pilchardus; Engraulis encrasicolus; Mediterranean Sea.
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00511/62286/67906.pdf

Contamination chimique des sédiments des lagunes méditerranéennes françaises - Bilan de la Campagne ROCCHSED 2017
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Grouhel, Anne; Chiffoleau, Jean-francois; Crochet, Sylvette; Ouisse, Vincent; Galgani, Francois; Munaron, Dominique.
le Réseau d’Observation de la Contamination Chimique (ROCCH) évalue la qualité chimique du milieu marin à partir des concentrations en contaminants mesurées dans la chair de mollusques et dans le compartiment superficiel fin des sédiments prélevés sur les fonds. La campagne ROCCHSED2017 est la 4ème campagne d’échantillonnage dans les lagunes méditerranéennes françaises. Elle a permis la mesure de concentrations en éléments traces métalliques et en contaminants organiques (sur la base des listes des réglementations en vigueur) dans les sédiments de 13 lagunes.
Tipo: Text
Palavras-chave: Sédiment; Contaminant chimique; ROCCH; Azote; Phosphore.
Ano: 2018
URL: https://archimer.ifremer.fr/doc/00467/57885/60184.pdf

Modelling Pb and Cd dynamics in the Seine estuary
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Thouvenin, Benedicte; Gonzalez, Jean-louis; Chiffoleau, Jean-francois; Boutier, Bernard; Le Hir, Pierre.
The Seine estuary (France) is currently one of the world's most contaminated estuaries, due in particular to its high cadmium and lead content. Proper understanding of contaminant transfer, transformation and retention mechanisms throughout the estuary and up to the adjacent marine zone require a range of studies involving data collections, experiments, and modeling tool. A multivariable transport model (SiAM-3D) was used to simulate dissolved and particulate transport and it is applied to several calculation grids; a speciation model (MOCO) was used to select key species and obtain a schematic system representation. The coupled model for Cd and Pb was compared with field measurements. The complementary character of various tools (model applied to annual...
Tipo: Text
Palavras-chave: 3D modeling; Cd and Pb trace metals; Seine estuary.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/publication-3009.pdf

TOPHYPAC. Tolérance des communautés phytoplanctoniques aux phytosanitaires dans le panache de la Charente. Programme Évaluation et réduction des risques liés à l’utilisation des Pesticides
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Stachowski-haberkorn, Sabine; Guesdon, Stephane; Bechemin, Christian; Chiffoleau, Jean-francois; Brach-papa, Christophe; Soudant, Philippe; Beker, Beatriz; Jadas-hécart, Alain.
TOPHYPAC is a field study that was conducted in the Charente river estuary (Marennes-Oléron bay). The main goal was to assess the possible impact of chemical contamination with copper and pesticides on phytoplankton communities. Physical, chemical (nutrients, metals and pesticides) and biological (phytoplankton community) parameters were monitored in the field during three years, from 2011 to 2014. In 2012 and 2013, field sampling was coupled with experimental exposure of phytoplankton communities to copper and to an herbicide cocktail, after transportation to the lab: the effects were assessed using photosynthesis endpoint and cellular densities. TOPHYPAC allowed to set the framework of Charente estuary contamination with pesticides: herbicides glyphosate...
Tipo: Text
Palavras-chave: Continuum eau douce/eau côtière; Pesticides; Métaux; Communautés phytoplanctoniques; Efficacité de photosynthèse; PICT; Tolérance; Cytométrie en flux; Toxicité chronique; Freshwater/coastal water continuum; Pesticides; Metals; Phytoplankton communities; Photosynthesis efficiency; PICT; Tolerance; Flow cytometry; Chronic toxicity.
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00300/41115/40289.pdf

Spatial and temporal distribution of mercury and methylmercury in bivalves from the French coastline
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Briant, Nicolas; Chouvelon, Tiphaine; Martinez, Laura; Brach-papa, Christophe; Chiffoleau, Jean-francois; Savoye, N.; Sonke, J.; Knoery, Joel.
Marine mercury (Hg) concentrations have been monitored in the French coastline for the last half a century using bivalves. The analyses presented in this study concerned 192 samples of bivalves (mussels: Mytilus edulis and Mytilus galloprovincialis and oysters: Crassostrea gigas and Isognomon alatus) from 77 sampling stations along the French coast and in the French Antilles sea. The goals of this study were to assess MeHg levels in various common bivalves from French coastline, and to identify possible geographic, taxonomic or temporal variations of concentrations. We show that the evolution of methylmercury (MeHg) concentrations covary with total mercury (HgT) concentrations. Moreover, in most of the study sites, HgT concentrations have not decreased...
Tipo: Text
Palavras-chave: Mercury; Methylmercury; France; Bivalves; Speciation.
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00353/46465/46398.pdf

First record of butyltin body burden and imposex status in Hexaplex trunculus (L.) along the Tunisian coast
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Lahbib, Youssef; Abidli, Sami; Chiffoleau, Jean-francois; Averty, Bernard; El Menif, Najoua Trigui.
We have assessed for the first time the current status of tributyltin (TBT) contamination in Hexaplex trunculus along Tunisian coastal waters. Two sampling campaigns have been performed in July 2004 and July 2007 at seven different sites. The snails were analyzed for imposex status, i.e. Imposex incidence, Relative Penis Length Index (RPLI) and Vas Deferens Sequence Index (VDSI), followed by the quantification of butyltins in their tissues. Imposex was detected in six populations from the 2004 samples and in five populations from the 2007 samples. The imposex incidence ranged from 0 (no imposex) to 100%, the RPLI from 0 to 56.7 and the VDSI from 0 to 4.4. TBT was also detected in six populations in 2004 and five populations in 2007. The concentrations...
Tipo: Text
Palavras-chave: Tunisia; Imposex; Hexaplex trunculus; TBT; Tributyltin.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/publication-6499.pdf

Chemical contamination and sediment toxicity along the coast of Corsica
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Galgani, Francois; Chiffoleau, Jean-francois; Orsoni, Valerie; Costantini, Louis; Boissery, P; Calendini, S; Andral, Bruno.
Trace metals (Cd, Pb, Cu, Cr, Ni, Co, Zn, Hg, As, Mn, Al, Fe, and Li) and organic compounds (PCBs, PAHs, lindanes, and DDT and its degradation products) were measured in coastal sediment samples from 27 sites in lagoons and along coastal areas of Corsica. An oyster embryo bioassay evaluated the toxicity of sediments from sites in three coastal lagoons (Urbino, Diane, and Biguglia) and the west coast of Cape Corsica. Despite contamination levels generally lower than those in other Mediterranean coastal areas, contamination is found in specific sites in Corsica and includes natural arsenic contamination on the east coast, insecticide pollution (persistent lindane and DDT) in many areas, both cadmium and lead contamination around Sagone, general contamination...
Tipo: Text
Palavras-chave: Corsica; Sediment toxicity; Chemical contamination.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/publication-2169.pdf

Distribution of Cd and Hg in the Bay of Marennes-Oléron
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Gonzalez, Jean-louis; Boutier, Bernard; Chiffoleau, Jean-francois; Auger, Dominique; Noel, Joelle; Truquet, Isabelle.
The study of Cd and Hg distribution in the sediments, water and suspended matter of the Bay of Marennes-Oléron provided the opportunity to identify the factors governing the distribution of these two contaminants throughout the bay. On one hand, these elements are associated with the continental inputs from the Charente river which settle on arrivaI at the mouth of the estuary and in the eastern part of the bay. The Cd and Hg present in these deposits are associated with POC, as weIl as with Mn and Fe oxides and hydroxides. On the other hand, a portion of the dissolved inputs is recycled in the bay waters through phytoplankton activity. This mechanism contributes, particularly in the case of Cd, to increased particulate metal fluxes from the water column...
Tipo: Text
Palavras-chave: Baie de Marennes-Oléron; Métaux lourds; Sédiments; MES; Activité phytoplanctonique; BAY OF MARENNES-OLERON; HEAVY METALS; SEDIMENTS; SUSPENDED MATTER; PHYTOPLANKTON ACTIVITY.
Ano: 1991
URL: http://archimer.ifremer.fr/doc/00085/19604/17242.pdf

Influence of an aggregate extraction in remobilizing contaminants from sediments in surface waters of the Bay of Seine (France)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Menet-nedelec, Florence; Riou, Philippe; Chiffoleau, Jean-francois; Maheux, Frank; Pierre-duplessix, Olivier; Rabiller, Emilie; Simon, Benjamin.
In coastal areas where monitoring data show that fine sediments contain contaminants, remobilization of these materials during aggregate extractions, which create a turbidity plume, might influence water quality. The eastern bay of Seine (France) is under the influence of the Seine plume, one of the most contaminated rivers in Europe. This study aimed at investigating remobilization of metals and organics from sediments in surface water during and after an aggregate dredging, through their behavior between total and dissolved phases. In this study area located 20 kilometers off Le Havre, sediments where sampled to identify potential contaminants. Unfiltered and filtered (&lt; 0,2 µm) surface seawater samples were collected at different stages of the...
Tipo: Text
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00310/42077/41380.pdf

La contamination de la Gironde par le cadmium : origine, extension, importance
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Boutier, Bernard; Chiffoleau, Jean-francois; Jouanneau, Jean-marie; Latouche, Claude; Philipps, Isabelle.
In 1979, the French monitoring program RNO (Réseau National d'Observation de la qualité du milieu Marin) pointed out a dramatic cadmium contamination in the oysters from the Gironde estuary (up to 100 ug -1, dry weight). The wild oyster-beds upstream the estuary were shown to be the most contaminated. This result tends to point to the river as the source of the cadmium contamination. At the same rime, uncontaminated oysters from Arcachon were transplanted in the Gironde estuary (La Fosse, Dau). This ex periment confirmed the importance and proved the permanence of the contamination. Very high concentrations of dissolved cadmium (400 ng. 1-1) were measured in the estuarine mixing zone. This phenomenon can be explained by the desorption of cadmiumfrom...
Tipo: Text
Palavras-chave: Cadmium; Désorption; Estuaire; Bilan géochimique; Contamination des huîtres; Cadmium; Desorption; Estuary; Geochemical budget; Oyster contamination.
Ano: 1989
URL: http://archimer.ifremer.fr/doc/00167/27820/26013.pdf

Le chrome en milieu marin
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Chiffoleau, Jean-francois.
This document constitutes a synthesis of current knowledge on the chromium biogeochemical cycle. The natural and anthropogenic sources are evaluated, the fluxes between the various geochemical compartments are assessed, with special attention to the riverine and atmospheric inputs to the marine environment. Chromium levels in these compartments are described and show in several areas a very high contamination of marine organisms. Due to the important toxicity of this element, further investigations are absolutely required to better understand its behaviour in the marine environment.
Tipo: Text
Palavras-chave: Economic analysis; Air water exchanges; Toxicity; Biogeochemical cycle; Marine environment; Pollution; Chromium.
Ano: 1994
URL: http://archimer.ifremer.fr/doc/1994/rapport-1430.pdf

Long-term records of cadmium and silver contamination in sediments and oysters from the Gironde fluvial-estuarine continuum - Evidence of changing silver sources
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Lanceleur, Laurent; Schaefer, Joerg; Chiffoleau, Jean-francois; Blanc, Gerard; Auger, Dominique; Renault, Sophie; Baudrimont, Magalie; Audry, Stephane.
The Gironde fluvial estuarine system is impacted by historic metal pollution (e.g. Cd, Zn, Hg) and oysters (Crassostrea gigas) from the estuary mouth have shown extremely high Cd concentrations for decades. Based on recent work (Chiffoleau et al., 2005) revealing anomalously high Ag concentrations (up to 65 mg kg(-1); dry weight) in Gironde oysters, we compared long-term (similar to 1955-2001) records of Ag and Cd concentrations in reservoir sediment with the respective concentrations in oysters collected between 1979 and 2010 to identify the origin and historical trend of the recently discovered Ag anomaly. Sediment cores from two reservoirs upstream and downstream from the main metal pollution source provided information on (i) geochemical background...
Tipo: Text
Palavras-chave: Silver; Cadmium; Estuary; Oyster; Biomonitoring.
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00060/17109/15071.pdf

Monitoring of pollutant biochemical effects on marine organisms of the french coasts
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Galgani, Francois; Bocquene, Gilles; Truquet, Philippe; Burgeot, Thierry; Chiffoleau, Jean-francois; Claisse, Didier.
The establishment of a network to assess pollutant effects is a current concern of international bodies such as the North Sea Task Force, the International Council for the Exploration of the Sea and the Intergovernmental Oceanographic Commission. With respect to the French coasts, three major considerations have been defined : the choice of monitoring areas ; the determination of a target species according to different criteria such as wide distribution, limited migration and contact with pollutant-rich sediments; and the selection of suitable parameters. This paper concerns the strategy adopted for the French coast. Ethoxyresorufin-O-deethylase, a specific cytochrome P450-dependent monooxygenase, measured by a simple microplate assay, was selected as an...
Tipo: Text
Ano: 1992
URL: http://archimer.ifremer.fr/doc/00100/21169/18787.pdf

Trace metal concentrations in the North-western Mediterranean atmospheric aerosol between 1986 and 2008: Seasonal patterns and decadal trends
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Heimbuerger, Lars-eric; Migon, Christophe; Dufour, Aurelie; Chiffoleau, Jean-francois; Cossa, Daniel.
Climatic and anthropogenic changes are able to engender modifications in the aerosol composition at different geographical and temporal scales The present study addresses this question for the trace metal concentrations (TM = Al, Fe, Mn, Co, Ni, Cu, Pb, Cd and Zn) of aerosol from the North-western Mediterranean coast of France (Cap Ferrat, nearby Nice) between 1986 and 2008. From seasonal variations (2006-08) and decadal trends (1986-2008) of TM concentrations. three groups of elements can be distinguished They consist of different aerosol sources: crustal-derived elements (Al, Fe. Mn and Co), trace metals of anthropogenic origin (Pb, Cd and Zn) and a third, intermediate, group of trace metals that presented both anthropogenic and natural/crustal...
Tipo: Text
Palavras-chave: Trace metals; Aerosols; Anthropic impact; Mediterranean; Anti-pollution policy.
Ano: 2010
URL: http://archimer.ifremer.fr/doc/00006/11688/8503.pdf

Etude de la contamination de pectinidés (coquilles Saint-Jacques et pétoncles) par le cadmium, le mercure et le plomb dans quelques zones de pêche françaises
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Chiffoleau, Jean-francois; Crochet, Sylvette; Rozuel, Emmanuelle; Claisse, Didier.
A la demande de la Direction Générale de l'alimentation (DGAL) du Ministère de l'Agriculture, de l'Alimentation et de la Pêche, l'Ifremer a mené une étude sur les teneurs en cadmium, plomb et mercure de pectinidés (coquilles Saint-Jacques et pétoncles) provenant des principales zones de pêche françaises. Ce rapport présente et analyse les résultats acquis dans les différents organes des mollusques (muscles, gonades, glande digestive, reste des tissus mous). En particulier, il indique la part respective de chaque organe dans le contenu total en métal des mollusques. Il a ensuite été procédé à une reconstitution des animaux entiers pour évaluer une concentration globale de ces trois métaux réglementés. Les résultats sont ensuite comparés aux valeurs limites...
Tipo: Text
Ano: 2010
URL: http://archimer.ifremer.fr/doc/00016/12693/9612.pdf

Lead and its isotopes in the sediment of three sites on the Lebanese coast: Identification of contamination sources and mobility
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Abi Ghanem, Carine; Chiffoleau, Jean-francois; Bermond, A.; Nakhle, K.; Khalaf, G.; Borschneck, D.; Cossa, Daniel.
Lead concentrations and isotopic composition of sediment samples collected from three sites within the Lebanese coastal zones were measured: at Akkar, Dora and Selaata. Akkar is located far from any direct source of contamination, while Dora and Selaata receive urban and industrial wastes, respectively. Low Pb concentrations (6-16 mu g g(-1)) were detected in the Akkar sediments, and high concentrations of Pb (70-101 mu g g(-1)) were detected in the Dora sediments. Measuring stable isotope ratios of Pb makes it possible to identify the principal sources of Pb in the Akkar sediments as Pb emitted from gasoline combustion and Pb originating from natural sources. On the other hand, Pb stable isotopic ratios in Dora sediments indicate that they are more highly...
Tipo: Text
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/publication-7326.pdf

Mise au point d'un test microcrustacé marin
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Marcaillou-le Baut, Claire; Le Dean, Loic; Chiffoleau, Jean-francois; Sanjuan, Jane.
Because of the low number of currently available toxicity tests for marine environment, the authors describe an experimental procedure using a marine copepod : Tigriopus brevicornis. This method can be used to quantify the 50 % inhibition of larval production or growth. The variability in controls larval production reaches about 9 %. The toxicity of two contaminants : tributyltin (TBTF) and cadmium chloride (CdCl2) was determined with this method and the 50 % decreases in larval production are respectively 1,4 µg/l (TBTF) and 61 µg/l (Cd++).
Tipo: Text
Palavras-chave: Test; Toxicité; Copépode; Étain; Cadmium; Test; Toxicity; Copepod; Tin; Cadmium.
Ano: 1988
URL: http://archimer.ifremer.fr/doc/00139/25036/23145.pdf

Rapport de synthèse de la campagne d'évaluation de la qualité chimique des sédiments (ROCCHSED) 2013 du littoral du bassin Seine-Normandie
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Menet-nedelec, Florence; Chiffoleau, Jean-francois; Grouhel-pellouin, Anne.
Ce rapport présente les résultats de l’évaluation de la qualité chimique des sédiments sur le littoral du bassin Seine-Normandie, obtenus lors de la campagne ROCCHSED (Réseau d’Observation de la Contamination CHimique du littoral) effectuée en juin 2013. Après un rappel des méthodes appliquées, une caractérisation de sa teneur en carbonates, granulométrie et matière organique est décrite, et l’évolution temporelle de la fraction fine des sédiments dans la baie de Seine orientale est mise en évidence. La distribution spatiale des contaminants le long du littoral normand en 2013 est interprétée par familles (métaux, substances organiques) et par secteur géographique. Une première tentative d’étude de l’évolution temporelle du niveau d’imprégnation en...
Tipo: Text
Palavras-chave: ROCCH; Sédiments; Contaminants chimiques; Métaux; Substances organiques; DCE; OSPAR; Littoral normand; Bassin Seine-Normandie.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00458/56928/58780.pdf

Dragages et environnement marin Etat des connaissances
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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.
Port 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 their potential harmfulness to the marine environment. The environmental risks assessment linked to dredging operations relies on knowledge related to several scientific disciplines contributing to changes in the regulations. This work, intended both for managers and for environmental scientists and engineers, is designed to take stock of the current state-of-the-art in the field of sediment contamination and related ecotoxicological hazards, along with a review of...
Tipo: Text
Palavras-chave: Regulations; Management; Impact; Contaminants; Dredging; Réglementation; Gestion; Impact; Contaminants; Dragages.
Ano: 1999
URL: http://archimer.ifremer.fr/doc/1999/rapport-1040.pdf

Evolution temporelle du comportement estuarien du mercure: cas de l'estuaire de la Loire
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Knoery, Joel; Brach Papa, Christophe; Thomas, Bastien; Auger, Dominique; Chouvelon, Tiphaine; Crochet, Sylvette; Rozuel, Emmanuelle; Sanjuan, Jane; Thibault, Aubin; Chiffoleau, Jean-francois.
Tipo: Text
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00212/32356/30812.pdf

Chronology and sources of trace elements accumulation in the Rhône pro-delta sediments (Northwestern Mediterranean) during the last 400years
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Cossa, Daniel; Fanget, Anne-sophie; Chiffoleau, Jean-francois; Bassetti, M-a; Buscail, R.; Dennielou, Bernard; Briggs, K.; Arnaud, M; Guedron, S.; Berne, Serge.
The Rhône pro-delta sediments receive the particulate inputs from the Rhône River, the largest freshwater discharge of the Western Mediterranean Sea. Trace element (TEs: Ag, Cd, Co, Cr, Cu, Ni, Pb, and Zn) concentrations and stable Pb isotope ratios were determined along a 7.7-meter-long sediment core collected from the Rhône prodeltaic lobe, archiving the deposits of the last 400 years. Trace element mean concentrations during the pre-industrialized era (before 1850 AD) were no different from the average composition of Earth’s upper crust, except for Cr. Principal component analysis, performed on TEs and tracers, suggests three origins for TEs that we identified as (i) marine biogenic material (Ag, Cd), (ii) ultramafic rocks (Li, Cr, Ni), and (iii) other...
Tipo: Text
Ano: 2018
URL: http://archimer.ifremer.fr/doc/00371/48209/48323.pdf

Natural and anthropogenic trace metals in sediments of the Ligurian Sea (Northwestern Mediterranean)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Heimbuerger, Lars-eric; Cossa, Daniel; Thibodeau, Benoit; Khripounoff, Alexis; Mas, Virginie; Chiffoleau, Jean-francois; Schmidt, Sabine; Migon, Christophe.
The magnitude and the chronology of anthropogenic impregnation by Hg and other trace metals of environmental concern (V, Cr, Ni, Cu, Zn, Ag, Cd and Pb, including its stable isotopes) in the sediments are determined at the DYFAMED station, a site in the Ligurian Sea (Northwestern Mediterranean) chosen for its supposed open-sea characteristics. The DYFAMED site (VD) is located on the right levee of the Var Canyon turbidite system, at the end of the Middle Valley. In order to trace the influence of the gravity current coming from the canyon on trace metal distribution in the sediment, we studied an additional sediment core (VA) from a terrace of the Var Canyon, and material collected in sediment traps at the both sites at 20 m above sea bottom. The patterns...
Tipo: Text
Palavras-chave: Marine sediments; Sediment traps; Mercury; Trace metals; Lead isotopes; Geochronology.
Ano: 2012
URL: http://archimer.ifremer.fr/doc/00073/18435/16125.pdf

La contamination chimique marine à Banyuls - Résultats du Réseau d'Observation de la Contamination CHimique (ROCCH)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Chiffoleau, Jean-francois; Claisse, Didier; Rousselet, Mathilde.
Tipo: Text
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00187/29840/28294.pdf

Evaluation du descripteur 8 « Contaminants dans le milieu » en France Métropolitaine.
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Mauffret, Aourell; Chiffoleau, Jean-francois; Burgeot, Thierry; Wessel, Nathalie; Brun, Melanie.
Good Environmental Status (GES) for descriptor 8 of MSFD is reached when concentrations of contaminants are at levels not giving rise to pollution effects. According to the decision 2017/848/CE, descriptor 8 is defined by four criteria: concentration in the relevant matrices (sediment, biota) (D8C1), effects of chronic contamination to the marine organisms (D8C2), duration and spatial extent of acute pollution events (D8C3), effects of acute contamination to the marine organisms (D8C4). The GES for descriptor 8 is assessed at the level of four marine subregions (SRM), including: Channel – North Sea (MMN), Celtics Seas (MC), Bay of Biscay (GdG) and the Occidental Mediterranean Sea (MO). In order to achieve GES, each indicator of descriptor 8 should respect...
Tipo: Text
Ano: 2018
URL: https://archimer.ifremer.fr/doc/00461/57294/59374.pdf

Evidencing the Impact of Coastal Contaminated Sediments on Mussels Through Pb Stable Isotopes Composition
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Huy Dang, Duc; Schafer, Jörg; Brach-papa, Christophe; Lenoble, Veronique; Durrieu, Gael; Dutruch, Lionel; Chiffoleau, Jean-francois; Gonzalez, Jean-louis; Blanc, Gerard; Mullot, Jean-ulrich; Mounier, Stephane; Garnier, Cedric.
Heavily contaminated sediments are a serious concern for ecosystem quality, especially in coastal areas, where vulnerability is high due to intense anthropogenic pressure. Surface sediments (54 stations), 50 cm interface cores (five specific stations), river particles, coal and bulk Pb plate from past French Navy activities, seawater and mussels were collected in Toulon Bay (NW Mediterranean Sea). Lead content and Pb stable isotope composition have evidenced the direct impact of sediment pollution stock on both the water column quality and the living organisms, through the specific Pb isotopic signature in these considered compartments. The history of pollution events including past and present contaminant dispersion in Toulon Bay were also demonstrated by...
Tipo: Text
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00288/39884/38624.pdf

Biomonitoring along the french coastline: could mercury isotopic composition indicate a temporal change in hg reaching the coastal zone?
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Briant, Nicolas; Chouvelon, Tiphaine; Brach-papa, Christophe; Chiffoleau, Jean-francois; Savoye, Nicolas; Sonke, Jeroen; Knoery, Joel.
Mercury (Hg) is a natural element toxic to all living organisms. Its ocean biogeochemical cycle is dominated by atmospheric deposition, which human activities contribute to disrupt signi cantly, and to a lesser extent by riverine discharge. This element is bioamplifed and bioaccumulated in marine food webs. since mercury concentrations in some coastal animal species of high trophic level approach sanitary thresholds, understanding biogeochemical processes and mechanisms leading to these elevated Hg concentrations becomes important. The stable isotopic geochemistry of metal is indeed a very promising way to trace processes and transfers from one mercury biogeochemical reservoir to another (Sonke and Blum, 2013). The stable isotopes of Hg undergo...
Tipo: Text
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00394/50561/51253.pdf

L'argent (Ag, nanoAg) comme contaminant émergeant dans l'Estuaire de la Gironde : évaluations scientifiques et gouvernance des risques
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Salles, Denis; Roumezi, Alexis; Lanceleur, Laurent; Schaefer, Jorg; Petit, Jerome; Blanc, Gerard; Coynel, Alexandra; Chiffoleau, Jean-francois; Auger, Dominique.
This article presents the results of multidisciplinary research (geochemistry, sociology) into the increasing concentrations of silver (Ag and nanoAg) in the environment and their potential impact on aquatic environments. We investigate simultaneously the risk of contamination of these environments by silver and the process of the social and political construction of this risk by water managers, health authorities, agencies and committees responsible for expert evaluations, environmental associations, and potential users of silver or nano-silver. Four updated models of risk construction allow us to understand the logic of arguments mobilized at this stage of the emerging risk. This interdisciplinary cooperation opens up possibilities for dealing with some...
Tipo: Text
Palavras-chave: Environment; Estuaries; Geochemistry; Interdisciplinary communication; Nanotechnology; Risk assessment; Risk management; Silver; Sociology; Water pollutants.
Ano: 2013
URL: http://archimer.ifremer.fr/doc/00156/26736/24939.pdf

Metal concentrations in sediment and Nereis diversicolor in two Moroccan lagoons: Khnifiss and Oualidia
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Idardare, Zaina; Chiffoleau, Jean-francois; Moukrim, A; Alla, A; Auger, Dominique; Lefrere, L; Rozuel, Emmanuelle.
Metal concentrations were measured monthly during an annual cycle (December 2004 to January 2006) in the tissues of Nereis diversicolor ragworms and sediment from two Moroccan Atlantic coastal lagoons: Oualidia in the north, situated in a highly industrialised urban area and Khnifiss in the south, far from anthropogenic influences. Relatively high levels of Zn, Ag and Cd were found in the sediment of Oualidia lagoon, while Ni concentrations were shown to be high at Khnifiss. The significant metal levels at Oualidia are a result of industrial and urban discharges, coupled with discharges from adjacent phosphate ore processing plants. Trace metal concentrations in worms vary according to season; they are usually high in winter and spring, in relation to the...
Tipo: Text
Palavras-chave: Morocco; Coastal lagoons; Sediments; Nereis diversicolor; Metals.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/publication-6127.pdf

Etat chimique des sédiments et influence d'une extraction de granulats sur l'état chimique de l'eau de mer dans le cadre du PER GMH - Etude SCOOTER. Etude sur la remobilisation de Sédiments potentiellement COntaminés induite par une OpéraTion d’ExtRaction de granulats en baie de Seine
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Menet-nedelec, Florence; Chiffoleau, Jean-francois; Riou, Philippe; Maheux, Frank; Pierre-duplessix, Olivier; Rabiller, Emilie; Simon, Benjamin.
Dans les mers côtières où les données des réseaux de surveillance montrent que les sédiments fins en surface contiennent des contaminants, la remobilisation de ces matériaux à l’occasion d’extractions de granulats, qui génère un panache turbide, pourrait influencer la qualité de l’eau. La baie de Seine orientale est sous l’influence du panache de la Seine, l’un des fleuves les plus contaminés d’Europe. Cette étude avait pour objectif d’examiner la remobilisation des métaux traces et de contaminants organiques des sédiments vers la surface pendant et après une extraction de granulats à travers leur comportement entre la fraction totale et dissoute. Pour cela, l’expérimentation a été réalisée lors d’un essai d’extraction dans le cadre du Permis Exclusif de...
Tipo: Text
Palavras-chave: Baie de Seine; Métaux traces; Contaminants organiques; Sédiment; Eau de mer; Panache turbide; Extraction de granulats.
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00310/42078/41381.pdf

Expertise sur la qualité microbiologique de 6 zones de récoltes d'algues (projet ALGMARBIO) : évaluation de la stabilité et propositions d'adaptation sur les protocoles de surveillance
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Boulben, Sylviane; Monfort, Patrick; Piquet, Jean-come; Chiffoleau, Jean-francois.
Tipo: Text
Ano: 2016
URL: https://archimer.ifremer.fr/doc/00344/45522/79632.pdf

Nouvelle méthode de dosage de quelques métaux - traces dans les sédiments et les matières en suspension
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Chiffoleau, Jean-francois; Truquet, Isabelle.
Des matières solides séchées sont minéralisées en bombe fermée par un mélange d'acide nitrique, d'acide chlorhydrique et d'acide fluorhydrique à environ 120 °C pendant 180 minutes. Cette attaque acide est totale et le minéralisat liquide obtenu est analysé pour sa teneur en métaux par absorption atomique avec ou sans flamme. C'est une méthode très sensible puisqu'elle permet de détecter dans des particules jusqu'à 0,35 % d'Al; 0,15 % de Fe, 0,1 mg/kg de Cd, 2 mg/kg de Co, 0,4 mg/kg de Cr, 2 mg/kg de Cu, 0,4 mg/kg de Mn, 2 mg/kg de Ni, 2 mg/kg de Pb, 0,1 mg/kg de Zn. La précision de cette méthode, sa reproductibilité ( de l'ordre de 7 % ) et sa facilité de mise en oeuvre en font une méthode de choix pour l'étude de faibles de quantité d'échantillons, comme...
Tipo: Text
Palavras-chave: Analyse; Métaux-traces; Sédiments; Matières en suspension; Absorption atomique.
Ano: 1994
URL: http://archimer.ifremer.fr/doc/00140/25119/23228.pdf

Particles transformation in estuaries: Fe, Mn and REE signatures through the Loire Estuary
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Thibault De Chanvalon, A.; Metzger, E.; Mouret, A.; Knoery, Joel; Chiffoleau, Jean-francois; Brach-papa, Christophe.
During their transfer across estuaries, particles endure numerous cycles of deposition-resuspension accompanied by several redox oscillations. These oscillations are likely to modify the particles content of redox sensitive metals such as Fe, Mn and two rare earth elements (REE): Ce and Eu. The present paper focuses on the fate of particles originating from the Loire Estuary by the study of chemical composition changes of both total and ascorbate-extracted phases. Transformations of particles buried in the sediment are estimated from sediment cores sampled in an estuarine intertidal mudflat Changes affecting particles that are transferred to the ocean are evaluated by comparing the composition of suspended particulate matter (SPM) from riverine time series...
Tipo: Text
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00367/47848/47935.pdf

Demande d'expertise sur la qualité mocrobiologique de 6 zones de récoltes d'algues (projet ALGMARBIO) : évaluation de la stabilité et propositions d'adaptation sur les protocoles de surveillance
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Boulben, Sylviane; Monfort, Patrick; Piquet, Jean-come; Chiffoleau, Jean-francois; Le Bec, Claude.
Expertise de l’IFREMER sur la qualité microbiologique de 6 zones de récolte d’algues dans le cadre du projet ALGMARBIO, localisées en Finistère nord en baie d’Audierne, à Ploudalmezeau, au large des Abers, à Guissény, à Plouescat et à Roscoff.
Tipo: Text
Ano: 2015
URL: https://archimer.ifremer.fr/doc/00252/36340/79157.pdf

Interactions between Volatile Reduced Sulfur Compounds and Metals in the Seine Estuary (France)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Cozic, Amandine; Viollier, E; Chiffoleau, Jean-francois; Knoery, Joel; Rozuel, Emmanuelle.
Concentrations of volatile hydrogen sulfide (H2S), carbonyl sulfide (OCS), methane thiol (MeSH), dimethyl sulfide (DMS), and dimethyl disulfide (DMDS) in the Seine estuary (France) were investigated in spring 2005 using samples collected from the first meter beneath the surface. Levels of dissolved metals (Ag, Cd, Cu, Zn, Ni, Co, Pb), suspended particulate matter, and particular organic carbon were also assessed. Maximum concentrations were 0.80 nM for H2S, 0.64 nM for OCS, 3.06 nM for MeSH, 11.06 nM for DMS, and 1.18 nM for DMDS, and different features were observed for the five volatile reduced sulfur compounds (VRSCs). Experiments were conducted to determine silver-VRSC conditional stability constants. Major interactions were observed between H2S and...
Tipo: Text
Palavras-chave: Conditional stability constant; Metal; Volatile reduced sulfur compounds; Seine estuary.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/publication-5019.pdf

Monitoring of trace metal contamination in the Souss estuary (South Morocco) using the clams Cerastoderma edule and Scrobicularia plana
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Anajjar, E; Chiffoleau, Jean-francois; Bergayou, H; Moukrim, A; Burgeot, Thierry; Cheggour, M.
Concentrations of seven metals (Cd, Cu, Cr, Pb, Ni, Zn, Hg) were monitored monthly during 2 years in two bivalves, Cerastoderma edule and Scrobicularia plana collected from the Souss estuary (South Morocco) before and after the commissioning of a sewage treatment plant in November 2002. According to trace metals, changes in concentrations were observed mainly in S. plana, characterised by a decrease of Cu, Hg and Pb when Cd was clearly increasing. Conversely, no clear changes were observed in C. edule during the same periods. This study suggests the use of S. plana in the monitoring of trace metal contamination of such coastal marine environments.
Tipo: Text
Palavras-chave: Monitoring; Waste water; Bivalves; Metals; South estuary.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/publication-4515.pdf

Origin and Accumulation of Trace Elements in Sediments of the Northwestern Mediterranean Margin
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Cossa, Daniel; Buscail, R.; Puig, P.; Chiffoleau, Jean-francois; Radakovitch, Olivier; Jeanty, G.; Heussner, S.
Continental margins receive natural and anthropogenic trace elements (TEs) from direct atmospheric deposition of aerosols onto the sea surface and from advection of riverine suspended particles and/or resuspended sediments from the continental shelf/slope. When the margin is incised by submarine canyons, as for example in the Northwestern Mediterranean Sea, most of these particles are preferentially transferred via these topographic features towards their final repositories in the abyssal plain. The Gulf of Lions (GoL) shelf receives the largest particulate riverine input to the Western Mediterranean, with its associated chemical contaminants originating from the industrialized and urbanized Rhone Valley. Sediments samples (grabs, cores and moored traps)...
Tipo: Text
Palavras-chave: Trace-element; Sediment; Canyon; Continental margin; Mediterranean.
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00188/29971/28424.pdf

210Po and 210Pb trophic transfer within the phytoplankton–zooplankton–anchovy/sardine food web: a case study from the Gulf of Lion (NW Mediterranean Sea)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Strady, Emilie; Harmelin-vivien, Mireille; Chiffoleau, Jean-francois; Veron, Alain; Tronczynski, Jacek; Radakovitch, Olivier.
The transfer of 210Po and 210Pb in the food web of small pelagic fishes (from phytoplankton and zooplankton to anchovy Engraulis encrasicolus and sardine Sardina pilchardus) is investigated in the Gulf of Lion (GoL). We present original data of 210Po and 210Pb activity concentrations, C and N stable isotope ratios, measured (i) from different size classes of phytoplankton and zooplankton during spring and winter in different environments of the GoL, and (ii) in two fish species. Significant spatial patterns based on 210Po, 210Pb activity concentrations and 210Po/210Pb ratios in the different plankton size classes are evidenced by hierarchical clustering, both in spring and winter. This variability, also observed for C and N stable isotopes ratios, is...
Tipo: Text
Palavras-chave: Po-210; Pb-210; Phytoplankton; Zooplankton; Pelagic fishes; Mediterranean Sea.
Ano: 2015
URL: https://archimer.ifremer.fr/doc/00255/36609/35264.pdf

Changes in the sediment trace metal contamination after the commissioning of a municipal wastewater treatment plant in the Souss estuary (South Morocco)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Moukrim, A; Chiffoleau, Jean-francois; Cheggour, M; Burgeot, Thierry.
Monthly samples of sediment were collected from the Souss estuary, to determine the changes which have occurred in the concentrations of ten metals between 2001 when the low estuary was receiving the wastewaters from Agadir city and 2003 after stopping the sewage dumping. The annual contents of Cu, Fe, Zn (in 2001) and those of Cr, Cu, Fe, Mn, Ni, Pb, and Zn (in 2003) showed significant correlations with those of Al, indicating that fluctuations of their concentrations were only due to those of the aluminosilicate fraction of the clayey sediment. After normalization of these metallic concentrations in relation to those of Al, the contents of the different metals showed insignificant correlations between both years, except for Zn which significantly dropped...
Tipo: Text
Palavras-chave: Souss estuary; Wastewater; Sediment; Metal contamination.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/publication-5923.pdf

Diagnostic de la contamination chimique de la faune halieutique des littoraux des Antilles françaises. Campagnes 2008 en Martinique et en Guadeloupe
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Bertrand, Jacques; Abarnou, Alain; Bocquene, Gilles; Chiffoleau, Jean-francois; Reynal, Lionel.
During the years 1972-1993, kepone a persistent pesticide has been used in the banana fields of the French West Indies (Martinique and Guadeloupe) to content a weevil. A slow desorption of the molecule from soil induces its transfer to the sea through the rivers from leaching and erosion. This study intended to take stock on the contamination by kepone of the fishery species around the islands fifteen years after the kepone ban. Furthermore other chemical pollutants were sought in fish and shellfish around the Martinique island.   The results confirmed persistence of marine fauna contamination by kepone, mainly in the alluvium areas in front of polluted rivers. They shown also that this contamination may spread more widely but with fast decreasing through...
Tipo: Text
Palavras-chave: Antilles; Chlordécone; Pollution chimique; Environnement marin; Caribbean; Kepone; Chemical pollution; Marine environment.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/rapport-6896.pdf

Role of particle sorption properties in the behavior and speciation of trace metals in macrotidal estuaries: The cadmium example
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Gonzalez, Jean-louis; Thouvenin, Benedicte; Dange, Catherine; Chiffoleau, Jean-francois; Boutier, Bernard.
The role of particles in the fate and speciation of trace metals in macrotidal estuaries was studied using a surface complexation model (MOCO). Cadmium was selected as the target metal contaminant due to its reactivity in estuaries: cadmium behavior is mainly controlled by heterogeneous processes (sorption/desorption) related to salinity and suspended matter gradients.   Various scenarios of suspended matter distribution according to salinity were simulated. The impact of surface properties (specific surface area, density of surface sites, acido-basic properties, and complexation constant) was evaluated using data collected on particles from the Gironde, Loire, and Seine estuaries.   Our results show that particle surface properties, evaluated on the basis...
Tipo: Text
Palavras-chave: Turbidity maximum; Speciation; Sorption; Particles; Modeling; Macrotidal estuaries; Cadmium.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/publication-2005.pdf

La contamination chimique sur le littoral Loire-Bretagne. Résultats de 35 années de suivi du Réseau d’Observation de la Contamination Chimique
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Chiffoleau, Jean-francois.
Le ROCCH (Réseau d’Observatoire de la Contamination CHimique) est un observatoire de la contamination chimique du milieu marin littoral mis en place par le ministère chargé de l’Environnement à la fin des années 70 et mis en œuvre par IFREMER. Son objectif est de décrire les distributions de contaminants chimiques sélectionnés sur les côtes de France métropolitaine et certaines régions ultra-marines, et de suivre leur évolution temporelle. La stratégie consiste à mesurer ces contaminants dans des matrices intégratrices, tissus d’organismes inféodés à ces régions ou sédiments de surface. Depuis la fin des années 80, le ROCCH fournit des données environnementales aux conventions des mers régionales (convention OSPAR pour la Manche et l’Atlantique, convention...
Tipo: Text
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00405/51617/52170.pdf

Platinum in sediments and mussels from the northwestern Mediterranean coast: temporal and spatial aspects
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Abdou, Melina; Schafer, Jorg; Hu, Ruoyu; Gil-diaz, Teba; Garnier, Cedric; Brach-papa, Christophe; Chiffoleau, Jean-francois; Charmasson, Sabine; Giner, Franck; Dutruch, Lionel; Blanc, Gerard.
Platinum (Pt) is considered a Technology Critical Element (TCE) and an emerging metallic contaminant with increasing release into the environment. Gaps in knowledge and understanding of environmental levels, fate and effects of Pt still exist, especially in the marine environment. This work presents Pt concentrations in the northwestern Mediterranean coast including: (i) temporal variability from sediment cores and farmed mussels in the Toulon Bay (historically affected by intense human activities) and (ii) spatial distribution from recent wild mussels collected along ∼ 300 km coastline with contrasting ecosystems (including natural reserves), quantified using voltammetry and inductively coupled plasma-mass spectrometry. The historical (&gt; 100 years)...
Tipo: Text
Palavras-chave: Platinum; Sediments; Mussels; Biomonitoring; Mediterranean coast.
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00460/57134/59055.pdf

La contamination par le cadmium en Gironde et son extension sur le plateau continental
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Boutier, Bernard; Chiffoleau, Jean-francois.
La répartition du cadmium dans l'eau, le sédiment et la matière en suspension de la Gironde, du proche plateau cohtinental et de la baie de Marennes-Oléron a été étudiée lors de trois campagnes réalisées en conditions de débits moyens ou d'étiage de la Garonne et de la Dordogne. Des apports anormaux de cadmium particulaire par la Garonne ont été mis en évidence. Après désorption ou solubilisation, ils sont expulsés sous forme dissoute, formant un panache très net mais peu étendu en dehors duquel les concentrations en cadmium dissous sont conformes aux valeurs habituellement observées en milieu côtier. Les teneurs en cadmium dissous du bas estuaire expliquent les fortes concentrations relevées dans les huîtres de ce secteur. Le caractère récent de la...
Tipo: Text
Ano: 1986
URL: http://archimer.ifremer.fr/doc/00105/21583/19163.pdf

Influence des rejets urbains sur la contamination de la rivière de Morlaix par les métaux
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Boutier, Bernard; Chiffoleau, Jean-francois; Gonzalez, Jean-louis; Noel, Joelle.
Raw and processed outflow from the Morlaix city sewage treatment plant were monitored every fourth hour for a 24 hours period, and monthly for eight months. The urban Hg, Cd, Cu, Zn and Pb outflow was shown to be much less than the river-borne flux. Sediments from the catchment area and estuary show that the influence of the town on the metal concentrations is limited to the harbour basin. The metal concentations are essentially controlled by granulometry.
Tipo: Text
Palavras-chave: Métaux; Sédiment; Rivière de Morlaix.
Ano: 1990
URL: http://archimer.ifremer.fr/doc/00167/27793/25986.pdf

Nickel and vanadium contamination of benthic invertebrates following the "Erika" wreck
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Chiffoleau, Jean-francois; Chauvaud, Laurent; Amouroux, David; Barats, Aurélie; Dufour, Aurélie; Pecheyran, Christophe; Roux, Nathalie.
Levels of nickel and vanadium, trace metals found in high concentration in the oil spilled from the "Erika" tanker off Brittany (France) in December 1999 (41 +/- 1 and 87 +/- 3 mg kg(-1) respectively), have been monitored over a one-year period following this accidental event in several benthic invertebrates. Ni and V in mussels (Mytilus edulis) and oysters (Crassostrea gigas) soft tissues were analysed twice a month by graphite furnace atomic absorption spectrometry and a scallop (Pecten maximus) shell daily growth bands were sampled every three bands by laser ablation and analysed by ICP-MS for these two contaminants. Survey data for mollusc tissues were compared with reference data arising from the national monitoring database. Ni concentrations in...
Tipo: Text
Palavras-chave: Monitoring; Scallop shell; Oyster; Mussel; Vanadium; Nickel; Oil spill.
Ano: 2004
URL: http://archimer.ifremer.fr/doc/2004/publication-402.pdf

Expertise de l'Ifremer sur la contamination significative historique en milieu marin, en particulier par des métaux toxiques tels que le mercure et l'arsenic par la société Alteo
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Dreves, Luc; Amouroux, Isabelle; Gonzalez, Jean-louis; Knoery, Joel; Andral, Bruno; Chiffoleau, Jean-francois; Brach-papa, Christophe; Claisse, Didier; Burgeot, Thierry.
Expertise réalisée dans le cadre de la saisine, datée du 10 octobre 2014, auprès du PDG de l'Ifremer de la Ministre de l’Écologie, du Développement Durable et de l’Énergie, sur la demande de poursuite de rejet d'effluents industriels liquides en Méditerranée
Tipo: Text
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00260/37099/35615.pdf

Imposex and butyltin concentrations in snails from the lagoon of Bizerta (Northern Tunisia)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Lahbib, Youssef; Abidli, Sami; Chiffoleau, Jean-francois; Averty, Bernard; Trigui El Menif, Najoua.
Imposex and butyltin concentrations were assessed in Hexaplex trunculus, Conus mediterraneus, Cyclope neritea and Nassarius mutabilis from Menzel Jemil, and H. trunculus and Stramonita haemastoma from the Bizerta channel. All females of the five species exhibited the characteristic development of male sex organs (penis and/or vas deferens). In Menzel Jemil, H. trunculus and C. mediterraneus exhibit similar imposex levels and were most affected (VDS reading 3-4). The development of a bud penis or a vas deferens sequence behind the right ocular tentacle was reported in Cyclope neritea and N. mutabilis (VDS 1). The concentration of tributyltin (TBT) was similar for the four species. The monobutyltin (MBT) was only detected in C. mediterraneus while the...
Tipo: Text
Palavras-chave: Bioindicators; Gastropods; Organotins; Southern Mediterranean.
Ano: 2010
URL: http://archimer.ifremer.fr/doc/00015/12638/9569.pdf

Distribution of silver in mussels and oysters along the French coasts: Data from the national monitoring program
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Chiffoleau, Jean-francois; Auger, Dominique; Roux, Nathalie; Rozuel, Emmanuelle; Santini, Anne.
Distribution and behavior of many trace elements in the aquatic environment has been well characterized, but little is known about silver (Ag) concentrations in coastal waters, even though this element ranks among the most toxic to marine invertebrates (Calabrese et al., 1977 ; Fisher and Hook, 1997 ; Webb and Wood, 1998). Studies conducted by Flegal et al. (1995), River-Duarte et al. (1999), and Ndung'u et al. (2001), provided the first valuable data on Ag distribution in the oceanic environment, indicating that this element is found in very low concentrations in the dissolved phase. However, although silver concentrations in coastal waters do not reach the nanomolar range (Smith and Flegal, 1993 ; Squire et al., 2002), formation of a stable chloro...
Tipo: Text
Palavras-chave: Mollusks; Coastal water; Silver; Monitoring.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/publication-2553.pdf

Monitoring of Pb Contamination in Loire Estuary: Trends, Distribution and Isotopic composition
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Brach-papa, Christophe; Chiffoleau, Jean-francois; Knoery, Joel; Chouvelon, Tiphaine; Auger, Dominique; Bretaudeau-sanjuan, Jane; Crochet, Sylvette; Rozuel, Emmanuelle; Thomas, Bastien; Vasileva, Emilia; Oriana, Anna Maria.
The Loire River is one of the largest river systems in Western Europe and a major source of continental inputs to the marine environment in the Bay of Biscay. Its catchment area drains agricultural and industrial zones and its estuary is increasingly urbanized. Even if the Loire River is not considered as a highly polluted system, studies have shown estuarine Pb contamination due to industrial inputs and combustion of leaded gasoline until the mid 1990’s. A retrospective study, based on the analysis (Pb levels and isotopic composition) of mussel samples collected by the French mussel watch program (RNO/ROCCH) has highlighted this contamination and its trend between 1985-2005 (Couture et al., 2010). This poster furthers the work initiated by Couture et al....
Tipo: Text
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00188/29958/28404.pdf

Insights from the spatial and temporal distributions of mercury species and isotopes in bivalves from the french coastline
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Briant, Nicolas; Knoery, Joel; Chouvelon, Tiphaine; Brach-papa, Christophe; Chiffoleau, Jean-francois; Savoye, Nicolas; Sonke, Jeroen.
Mercury cycles between atmosphere, terrestrial and aquatic reservoirs through a complex combination of transport and transformation processes, until it is buried in oceanic or terrestrial sediments. Monomethylmercury is the main species bioaccumulated and bioampli ed in the food chain. Knowledge of the origin (continental, oceanicorlocalsediment)ofthisspeciesforthelittoralenvironnment can still be improved. This study focuses on ~200 samples of bivalves (mussels: Mytilus edulis and Mytilus galloprovincialis and oysters: Crassostrea gigas and Isognomon alatus) from ~80 stations along the French coast. The goals of this study were i) to describe Hg levels, speciation and isotopic composition in various bioindicator bivalves from the French coastline, and ii)...
Tipo: Text
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00394/50562/51254.pdf

The estuarine geochemical reactivity of Zn isotopes and its relevance for the biomonitoring of anthropogenic Zn and Cd contaminations from metallurgical activities: Example of the Gironde fluvial-estuarine system, France
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Petit, Jerome C. J.; Schafer, Jörg; Coynel, Alexandra; Blanc, Gerard; Chiffoleau, Jean-francois; Auger, Dominique; Bossy, Cecile; Derriennic, Herve; Mikolaczyk, Mathilde; Dutruch, Lionel; Mattielli, Nadine.
Zinc stable isotopes measurements by MC-ICP-MS, validated by laboratory intercalibrations, were performed on wild oysters, suspended particles and filtered river/estuarine water samples to provide new constraints for the use of Zn isotopes as environmental tracers. The samples selected were representative of the long range (400 km) transport of metal (Zn, Cd, etc.) contamination from former Zn-refining activities at Decazeville (i.e. δ66Zn &gt; 1 ‰) and its phasing out, recorded during 30 years in wild oysters from the Gironde Estuary mouth (RNO/ROCCH sample bank). The study also addresses additional anthropogenic sources (urban and viticulture) and focuses on geochemical reactivity of Zn in the turbidity gradient and the maximum turbidity zone (MTZ) of...
Tipo: Text
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00277/38852/37390.pdf

Hydrocarbon pollution along Moroccan coasts and BPH activity in the mussel Perna perna
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Azdi, M.; Moukrim, A.; Burgeot, Thierry; Budzinski, H.; Chiffoleau, Jean-francois; Kaaya, A.; Zekhnini, A.; Narbonne, J. F.; Guarrigues, Ph.
Specimens of the mussel Perna perna were collected along Moroccan coasts to determine the concentrations of polycyclic aromatic hydrocarbons ( PAHs) bioaccumulated in the tissues, and to measure benzo[ a] pyrene hydroxylase (BPH) activity. Chemical analysis of PAHs show that the Mediterranean (Nador, Martil, Tanger) and central Atlantic coasts ( from Rabat to Jorf Lihoudi) are those most contaminated ( 351 245 ng.g(-1) dry weight in Tanger). The mussel contaminants were of mixed origin for most of the locations with non negligible inputs of petrogenic origin in many of them. Baseline levels of PAHs were between 6 and 55 ng.g(-1) dry weight. BPH activity showed significant correlation (r(s) = 0.64, P &lt; 0.05) with total PAH concentrations at the six most...
Tipo: Text
Palavras-chave: Mussel; Perna perna; Moroccan coasts; Polycyclic aromatic hydrocarbons; Benzoapyrene hydroxylase; Baseline level.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/00000/10995/12929.pdf