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	Provedor de dados ArchiMer (32) Autor Quiniou, Francoise (32) Alzieu, Claude (4) Arzul, Genevieve (4) Caisey, Xavier (4) His, Edouard (4) Bocquene, Gilles (3) Burgeot, Thierry (3) Erard-le Denn, Evelyne (3) L'Yavanc, Jacky (3) Romeo, Michèle (3) Amara, Anis (2) Amiard, Jean-claude (2) Andral, Bruno (2) Bassoullet, Philippe (2) Blanchard, Michel (2) Boutier, Bernard (2) Compere, Chantal (2) Damiens, Gautier (2) Davy, Romain (2) Delesmont, Régis (2) Mais... Palavra-chave Growth (4) Crassostrea gigas (3) Bentazon (2) Biomarkers (2) Centrale nucléaire (2) Crassostrea gigas larvae (2) Embryotoxicity (2) Epoxiconazole (2) Halieutique (2) Monitoring (2) Nuclear power plant (2) Oyster (2) Pelagos (2) Sediment (2) Surveillance (2) 17 alpha ethinylestradiol (1) ATP (1) Abiotic factors (1) Active bio monitoring (1) Active substances (1) Mais... Tipo do documento Text (32) Ano 2014 (1) 2013 (1) 2012 (1) 2009 (2) 2008 (1) 2007 (5) 2006 (4) 2005 (2) 2004 (1) 2003 (3) 2000 (1) 1999 (2) 1995 (1) 1994 (1) 1992 (1) 1991 (2) 1989 (1) 1986 (1) 1979 (1) Mais... País France (32) Idioma Francês (17) Inglês (15)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 32 Primeira ... 1 2 ... Última Biodragages - Protocole de suivi de l'efficacité et de l'impact potentiel ArchiMer Alzieu, Claude; Andral, Bruno; Bassoulet, Philippe; Gourmelon, Michele; Le Quillec, Régis; L'Yavanc, Jacky; Quiniou, Francoise. Les traitements in situ des sédiments, ou biodragages, consistent à disperser à la surface ou à injecter dans le sédiment des produits pulvérulents sur lesquels sont fixées des bactéries capables de dégrader les matières organiques. Peu de données expérimentales sont disponibles quant à l'efficacité et à l'impact de cette pratique qui, bien qu'utilisée dans certains milieux d'eau douce, n'a pas fait l'objet de réelles applications en milieu marin. L'offre de service de quelques opérateurs et la demande des gestionnaires des ports, ne peuvent être prises en considération, faute d'une connaissance approfondie des avantages et inconvénients de telles techniques. Il nous est donc apparu nécessaire de définir et de proposer, aux Services en charge des... Tipo: Text Ano: 1999 URL: http://archimer.ifremer.fr/doc/00040/15121/12457.pdf Caractérisation des facteurs de risques associés au mortalités estivales - Synthèse du thème 3 - Risque associé au stress environnemental - 2002-2005 ArchiMer Burgeot, Thierry; Gagnaire, Beatrice; Renault, Tristan; Haure, Joel; Moraga, D.; David, E.; Boutet, L.; Sauriau, P.g.; Malet, Nathalie; Bouchet, V.; Lapegue, Sylvie; Bouilly, Karine; Le Moullac, Gilles; Arzul, Genevieve; Knoery, Joel; Quiniou, Francoise; Bacher, Cedric; Soletchnik, Patrick. Les mortalités d'huîtres observées sur les côtes françaises apparaissent principalement à proximité du sédiment et pendant la gamétogenèse. Les interactions de facteurs environnementaux sur les écosystèmes conchylicoles comme la température, les apports des bassins versants et le compartiment sédimentaire illustrent un risque de mortalité lié à différentes sources de stress (Thème 1). Les variations de la qualité de la ressource trophique pendant l'effort de gamétogenèse favorise une baisse de l'énergie disponible (Thème 2) et contraint l'organisme fragilisé à fournir un effort d'adaptation (Fent 2004). L'apparition d'un stress pendant cette période sensible des huîtres pourrait constituer un facteur aggravant de mortalité. L'objectif de cette étude est... Tipo: Text Ano: 2006 URL: http://archimer.ifremer.fr/doc/00304/41538/40746.pdf Contribution à la mise au point de méthodes d'évaluation des sédiments, contaminés par les hydrocarbures aromatiques polycycliques, en fonction de la teneur en matière organique des sédiments (1er Juillet 1998 - 1er Juillet 2001 ). Synthèse des travaux ArchiMer Pavillon, J-f; Quiniou, Francoise; Caisey, Xavier; Menasria, R.. Les résultats présentés dans cette synthèse reprennent en partie ceux présentés séparément par les deux laboratoires marins : le laboratoire de Physiologie des êtres marins de l'Institut océanographique de Paris et l'antenne brestoise du Département Chimie des polluants de la Direction de l'Environnement Littoral de l'Ifremer, dans les rapports de juillet 99, juillet 2000 et octobre 2002 complétés par des résultats obtenus de juillet 2000 à juillet 2001. L'objectif principal du programme devait permettre de caractériser les effets de la matière organique sur "l'expression" (la biodisponibilité) de la toxicité de substances modèles ; trois Hydrocarbures Aromatiques Polycycliques (HAP) : le fluoranthène, le benzo(k)fluoranthène et le phénanthrène. En effet... Tipo: Text Ano: 2003 URL: http://archimer.ifremer.fr/doc/00132/24288/22286.pdf Determination of peptaibol trace amounts in marine sediments by liquid chromatography/electrospray ionization-ion trap-mass spectrometry ArchiMer Poirier, Laurence; Amiard, Jean-claude; Mondeguer, Florence; Quiniou, Francoise; Ruiz, Nicolas; Pouchus, Yves Francois; Montagu, Monique. Extraction followed by reverse phase liquid chromatography (LC)/electrospray ionization-ion trap-mass spectrometry (ESI-IT-MS) analysis has been successfully developed for the determination of peptaibols, fungal toxic metabolites, in marine sediments. Spiking experiments showed that the mean recovery of target compounds exceeded 85% at a spiking level of 10 ng/g of sediment (wet weight). Detection and quantification limits were 250 and 830 pg/g of sediment, respectively. The method developed constituted the first sensitive assay for quantification of peptaibol trace amounts in a natural environment. A concentration of 5 ng/g in sediment samples collected from Fier d'Ars was found. Tipo: Text Palavras-chave: Matched calibration; Matrix; Electrospray ionization ion trap mass spectrometry ESI IT MS; Marine fungal contamination; Trichoderma sp.; Fungal peptide metabolites. Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2990.pdf Development of environmentally friendly antifouling paints using biodegradable polymer and lower toxic substances ArchiMer Carteau, David; Vallee-rehel, Karine; Linossier, Isabelle; Quiniou, Francoise; Davy, Romain; Compere, Chantal; Delbury, Maxime; Fay, Fabienne. The development of new antifouling coatings with respect to the marine environment is actually crucial. The aim of the present work is to concept an erodible paint formulated with biodegradable polyester as binders and which combines two modes of prevention: chemical and physical repelling of biofouling. This system is principally dedicated to disturb durable settlement of microfouling. Each component was chosen according to its specific properties: chlorhexidine is a bisdiguanide antiseptic with antibacterial activity, zinc peroxide is an inorganic precursor of high instable entities which react with seawater to create hydrogen peroxide, Tween 85 is a non ionic surfactant disturbing interactions between colonizing organisms and surface. Obtained results... Tipo: Text Palavras-chave: Environmental coatings; Antifouling; Active substances; Microfouling. Ano: 2014 URL: http://archimer.ifremer.fr/doc/00168/27923/27273.pdf Dragages et environnement marin Etat des connaissances ArchiMer 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 Effect of Bentazon on Growth and Physiological Responses of Marine Diatom: Chaetoceros gracilis ArchiMer Hourmant, Annick; Amara, Anis; Pouline, Patrick; Durand, Gael; Arzul, Genevieve; Quiniou, Francoise. The herbicide bentazon (CASRN 25057-89-0) is extensively used in agriculture in Brittany (France) to replace atrazine. Bentazon is not readily adsorbed by soil and therefore it enters adjacent freshwater ecosystems, making its way to estuarine and marine waters areas. Information regarding its effects on marine ecosystems is scarce. Phytotoxicity assessments were conducted in the laboratory on the common diatom Chaetoceros gracilis using both the active ingredient and its formulated product (Basamais). The 3 day EC50 Using cell counts were, respectively, 150 mg/L and 60 mu g/L for bentazon active ingredient and for bentazon-formulated while cellular volume was increased. Although bentazon is known as a photosystem II inhibitor, it produced an increase of... Tipo: Text Palavras-chave: Photosynthesis; Marine diatom; Growth; Chlorophylls; Chaetoceros gracilis; Carotenoids; Bentazon; ATP. Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6637.pdf Environmental stress in the pacific oyster Crassostrea gigas during gametogenesis : role of herbicides? ArchiMer Burgeot, Thierry; Quirion, Sophie; Quiniou, Francoise; Knoery, Joel; Soletchnik, Patrick; Gagnaire, Beatrice; Renault, Tristan; Osada, M.; Geret, F.; Communal, P. Y.; Jadas-hecart, A.; Gagne, F.. In the Atlantic French coast, significant mortalities were observed in oyster communities during gametogenesis. These deaths possibly result from the cumulative effects of various stressors such as seasonal temperature variations, pesticide application and the release of contaminants from the resuspension of sediments. A field survey, based on aquaculture conditions at 15 and 70 cm from the sediment bed with genetically-resistant (R) and -sensitive (S) lines, showed a stress condition. Significant weight loss was observed during May 14th through June 10th for both R and S lines. On one hand, the levels of the egg yolk vitellin in females were decreased at May 14th for both R and S lines. On the other hand, a significant increase in vitellin production was... Tipo: Text Palavras-chave: Mortalities; Herbicides; Sediment; Biomarkers; Gametogenesis; Crassostrea gigas; Pacific oysters. Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/acte-3384.pdf Estimation de la qualité biologique de l'eau sur le littoral atlantique du Sud-Ouest de la France à l'aide des tests de croissance des larves de Mytilus edulis ArchiMer His, Edouard; Quiniou, Francoise. The quality of the seawater off the southwestern Atlantic coast of France was assessed by studying the effects of the water from three sites (Arcachon Bay, Mimizan and Capbreton) on larvae of the mussel (Mytilus edulis). Mussel larvae were raised in water samples taken at all three sites on March 12, 1991 and larval growth was monitored during 10 days. The results indicate that the water quality was best in the Bay of Arcachon, followed by Mimizan, whereas the water off Capbreton was possibly contaminated by pollutants. Tipo: Text Palavras-chave: Croissance; Qualité de l'eau; Développement larval; Pollution; Mytilus edulis; Growth; Water quality control; Larval development; Pollution; Mytilus edulis. Ano: 1991 URL: http://archimer.ifremer.fr/doc/00038/14903/12229.pdf Etat de la contamination du Bassin d'Arcachon par les insecticides et les herbicides sur la période 2005-2006. Impact environnemental ArchiMer Auby, Isabelle; Bocquene, Gilles; Quiniou, Francoise; Dreno, Jean-paul. Within the framework of the study on cup oyster breeding in the Arcachon Basin (IFREMER's SURGIBA Programme, co-financed by Europe, the Regional Council of Aquitaine, the Regional Council of Gironde and the Arcachon Basin's inter-communal Syndicate), some pesticides have been researched in the main waterways and in the waters of several of the Basin's zones (Figure 1), during the summer months (June to September) from 1999 to 2003 inclusive (Auby and Maurer, 2004). The presence of a certain number of molecules, mainly from herbicides, was found in the waters and it has generally been possible to identify their source. Certain substances come from agricultural uses or park maintenance; others are from nautical sources (anti-fouling paint for protecting the... Tipo: Text Palavras-chave: France; Arcachon basin; Hydrology; Chlorpyfiros; Chlorpyfiros; Insecticide; Weedkiller; Contamination; Marine environment. Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/rapport-2398.pdf Etat de la prolifération de la crépidule (Crepidula fornicata L.) dans le secteur de Granville (Golfe Normano-Beton - 1985) ArchiMer Quiniou, Francoise; Blanchard, Michel. An area located between the Mont-St-Michel Bay and Jersey was monitored from 1984 to 1985. Limpet densities have been evaluated through quantitative sampling and underwater video. At the same time, some planktonic samplings have enabled the monitoring of the evolution of larval abundances. Maxima, planktonic and benthic density areas superpose each other. Moreover, the study of the populations shows that the number of young colonies is increasing, thus clearly indicating that Crepidula fornicata populating is booming in the Norman-Breton gulf. Tipo: Text Palavras-chave: Evolution; Distribution spatiale; Golfe Normano breton; Adulte; Larve; Crepidula fornicata. Ano: 1986 URL: http://archimer.ifremer.fr/doc/1986/acte-6190.PDF Etude écologique (Complément d’avant-projet pélagique).Ploumoguer-Plogoff. Rapport général ArchiMer Quiniou, Francoise; Le Feve, Jacques; Ryckaert, Mireille. En ce qui concerne les sites de PLOUMOGUER et PLOGOFF, le Centre National pour l'Exploitation des Oceans (C.N.E.X.0.) a sous-traite A l'Université de Bretagne Occidentale (U.B.0.) la réalisation de la plus grande partie des études écologiques d'avant-projet, qui n'ont porte dans un premier temps que sur les problèmes relatifs au benthos (faune et flore du fond). Une synthèse (ALLEN et al., 1978) des résultats obtenus lors des études d'avant-projet des sites bretons a fait apparaître que l'absence, sur ces deux sites, de résultats concernant le pelagos (faune et flore de pleine eau) était une lacune grave qui devait être comblée avant toute décision définitive. Le contrat cite en référence matérialise cette nécessite et porte sur la réalisation d'un... Tipo: Text Ano: 1979 URL: http://archimer.ifremer.fr/doc/00005/11651/8310.pdf Etude l'écotoxicité des sédiments dragues - Documents de synthèse et annexes - Projet du groupe GEODE ArchiMer Quiniou, Francoise; Blanchard, Michel; Bocquene, Gilles; Burgeot, Thierry; Giboire, Louis; His, Edouard; Le Du, Anne. La présente étude a pour objectif de sélectionner des méthodes de laboratoire et de terrain les mieux appropriées pour l'évaluation de l'écotoxicité de sédiments dragués : indicateurs biochimiques d'exposition (EROD et AChE), tests de toxicité sublétale (micro-organismes, algues, embryons de bivalve et extrait enzymatiques de poisson), indices physiologiques de bivalve (respiration, excrétion, mouvements valvaires). Une synthèse des résultats est présentée accompagnée, en annexes, des rapports des différents participants à l'étude. Tipo: Text Ano: 1994 URL: http://archimer.ifremer.fr/doc/00104/21573/19153.pdf Evaluation des risques liés à l'immersion des boues de dragage des ports maritimes. Colloque de restitution des résultats du programme PNETOX, Paris 3 et 4 octobre 2002 ArchiMer Alzieu, Claude; Bocquene, Gilles; Delesmont, Régis; Dhainaut-courtois, Nicole; Empis, Anne; Forget, Joelle; Glemarec, Michel; Pavillon, Jean-françois; Pruvot, Chrystèle; Quiniou, Francoise. RAPPEL DES OBJECTIFS - Les objectifs visés par l'étude à l'origine du présent contrat consistaient à proposer et réaliser une démarche d'analyse prévisionnelle des risques environnementaux applicable aux boues de dragages des ports maritimes et à leur immersion. L'objectif final était de fournir aux services portuaires et aux Cellules de la Qualité des Eaux Littorales du Ministère de l'Aménagement du Territoire et de l'Environnement, une méthodologie de prévision des risques environnementaux des immersions des matériaux de dragage, facilitant ainsi leur gestion. Tipo: Text Ano: 2003 URL: http://archimer.ifremer.fr/doc/00075/18613/16166.pdf Evaluation of biomarkers in oyster larvae in natural and polluted conditions ArchiMer Damiens, Gautier; His, Edouard; Gnassia Barelli, Mauricette; Quiniou, Francoise; Romeo, Michèle. Crassostrea gigas D-shaped larvae were subjected to different conditions of temperature and salinity for 24 h and four biomarkers (acetylcholinesterase (AChE) activity, thiobarbituric acid reactive substances (TBARS) levels, glutathione S-transferase (GST) and catalase (CAT) activities) were measured. AChE activity decreased when salinity increased from 25 to 30 and 35 psu at 20 and 25 degreesC. Temperature did not seem to have an influence on AChE activity. TBARS levels increased as a function of salinity when the temperature was maintained at 20 degreesC, whereas at 25 degreesC no effect of salinity could be observed. Variations in GST and CAT activities were not significant with salinity and temperature except that catalase activity was higher at 25... Tipo: Text Palavras-chave: Malathion; Carbofuran; Abiotic factors; Crassostrea gigas; Mollusc larvae; Biomarker. Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-686.pdf Impact du sédiment sur les mortalités estivales de naissain d'huîtres creuses Crassostrea gigas en baie de Quiberon ArchiMer Bedier, Edouard; Knoery, Joel Radford; Fleury, Pierre-gildas; Quiniou, Francoise; Langlade, Aime; Cozic, Amandine; Delesmont, Edith; Delesmont, Régis; Caisey, Xavier; Lecureuil, Laetitia. The phenomenon of summer mortalities of the Pacific cupped oyster Crassostrea gigas is observed in France since the beginning of the 90's. These mortalities are classically associated to younger stages and summer temperatures and occur during the reproduction period of the animal. The studies undertaken during the project Morest (2001-2005), showed that a number of biological and environmental risks, the interaction of them induces lethal stresses for animals in physiological weakness, exists in summer. Among these risks, that which is withstood by the oysters bred close to the sediment proved to be significant in intertidal areas. In Quiberon bay (southern Brittany, France), the breeding practices of sowing oysters in deep water is thus likely to expose... Tipo: Text Palavras-chave: Huître; Crassostrea gigas; Mortalité; Sédiment; Composé réduit; Flux; Sulfure; Ammonium; Oyster; Crassostrea gigas; Mortality; Sediment; Reduced compound; Flux; Sulphide; Ammonia. Ano: 2006 URL: http://archimer.ifremer.fr/doc/00108/21956/19550.pdf In vitro test-based comparison of pesticide-induced sensitivity in marine and freshwater phytoplankton ArchiMer Arzul, Genevieve; Quiniou, Francoise; Carrie, Cecile. This study aims to assess the effects of two pesticides, namely the insecticide carbofuran and the herbicide isoproturon, on monospecifically cultivated marine and freshwater phytoplankton according to standard methods. In the presence of pesticide, growth rates were lower in marine species Chaetoceros gracilis and Phaeodactylum tricornutum than in freshwater species Chlorella vulgaris and Selenastrum capricornutum after 72 hours. The EC50 values were obtained with the REGTOX Macro software, and the NEC values by applying the DEBtox model. Tipo: Text Palavras-chave: REGTOX Macro; Pesticides; Marine phytoplankton; Freshwater phytoplankton; DEBtox model. Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-6605.pdf In-situ microcosms, a tool for assessment of pesticide impacts on oyster spat (Crassostrea gigas) ArchiMer Stachowski Haberkorn, S; Quiniou, Francoise; Nedelec, M; Robert, Rene; Limon, G; De La Broise, D. Effects of the herbicide Basamais (bentazon) and the fungicide Opus (epoxiconazole) on oyster spat (Crassostrea gigas) were assessed using in-situ microcosms in a field experiment lasting 13 days. Six-week-old hatchery spat (mean size 1.1 mm), previously collected on PVC plates, was immersed in glass bottles filled with 200 mu m filtered seawater. Bottles were maintained underwater at 6 m depth and their water content changed every other day. Growth, measured as shell area index increase, was 126 +/- 4% in the control bottles. While no growth differences were observed between control and individual pesticide treatments at 10 mu g l(-1), oysters treated with a mix of 10 mu g l(-1) Opus and 10 mu g l(-1) Basamais showed a 50% growth reduction compared with... Tipo: Text Palavras-chave: Epoxiconazole; Bentazon; Pesticide; Toxicity; Oyster; Microcosm. Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-4134.pdf Investigating the relationship between embryotoxic and genotoxic effects of benzo[alpha]pyrene, 17 alpha-ethinylestradiol and endosulfan on Crassostrea gigas embryos ArchiMer Wessel, Nathalie; Rousseau, Sabrina; Caisey, Xavier; Quiniou, Francoise; Akcha, Farida. Genotoxicity biomarkers are widely measured in ecotoxicology as molecular toxic endpoints of major environmental pollutants. However, the long-term consequences of such damage still have to be elucidated. Some authors have suggested that the accumulation of unrepaired DNA lesions could explain the embryotoxicity of certain chemical pollutants. As embryotoxicity exerts a direct impact on the recruitment rate, genotoxicity could be closely related to disturbances of ecological concern and produce a possible impact upon population dynamics. The aim of the present work was to study the genotoxicity and the embryotoxicity of three relevant pollutants for oyster embryos: the polycyclic aromatic hydrocarbon, benzo[a]pyrene (BaP), the synthetic estrogenic... Tipo: Text Palavras-chave: 17 alpha ethinylestradiol; BaP; Endosulfan; DNA damage; Embryotoxicity; Pacific oyster. Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-4058.pdf Marine Sediment Contamination and Toxicity in Izmir Bay and Mytilene Harbor (Aegean Sea) ArchiMer Oral, Rahime; Kostopoulou, Maria; Guida, Marco; Nikolaou, Anastasia; Quiniou, Francoise; Trifuoggi, Marco; Borriello, Ilaria; Vagi, Maria; D'Ambra, Antonello; Pagano, Giovanni. The aim of the present study was to evaluate marine contamination and toxicity in sediment and pore water from the areas of Izmir Bay (Turkey) and Mytilene Harbor (Greece). The evaluation was performed in terms of selected toxic-metals, polycyclic aromatic compounds (PAR) and toxicity to sea urchin (Paracentrotus lividus) early development and fertilization. Significantly higher levels of metals and total PAR were detected in Izmir vs. Mytilene sediment, and the highest contamination was detected in Izmir Bay innermost sites. Bioassays were carried out in P. lividus embryos and sperm, by evaluating developmental defects and changes in fertilization success by exposing sea urchin embryos or sperm to sediment/seawater suspensions. Whole sediment (WS) showed... Tipo: Text Palavras-chave: Sediment toxicity; Whole sediment; Pore water; Sea urchins; Aegean Sea. Ano: 2012 URL: http://archimer.ifremer.fr/doc/00125/23600/21447.pdf Registros recuperados: 32 Primeira ... 1 2 ... Última

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