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| Registros recuperados: 125 | |
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| Loisy, Fabienne; Atmar, R; Le Saux, Jean-claude; Cohen, J; Caprais, Marie-paule; Pommepuy, Monique; Le Guyader, Soizick. |
| Rotavirus virus-like particles (VLPs) and MS2 bacteriophages were bioaccumulated in bivalve mollusks to evaluate viral persistence in shellfish during depuration and relaying under natural conditions. Using this nonpathogenic surrogate virus, we were able to demonstrate that about 1 log(10) of VLPs was depurated after 1 week in warm seawater (22 degrees C). Phage MS2 was depurated more rapidly (about 2 log(10) in 1 week) than were VLPs, as determined using a single-compartment model and linear regression analysis. After being relayed in the estuary under the influence of the tides, VLPs were detected in oysters for up to 82 days following seeding with high levels of VLPs (concentration range between 10(10) and 10(9) particles per g of pancreatic tissue)... |
| Tipo: Text |
Palavras-chave: Seawater; Viral diseases; Bioaccumulation; Depuration; Contamination; Model; Pancreas; Regression analysis; Shellfish; Phages; Virus. |
| Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/2005/publication-1233.pdf |
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| Le Guyader, Soizick; Bon, Fabienne; Demedici, Dario; Parnaudeau, Sylvain; Bertone, Alessandra; Crudeli, Silvia; Doyle, Aoife; Zidane, Mohamed; Suffredini, Elisabetta; Kohli E, Evelyne; Maddalo, Francesco; Monini, Marina; Gallay, Anne; Pommepuy, Monique; Pothier, Pierre; Ruggeri, Franco M.. |
| An international outbreak linked to oyster consumption involving a group of over 200 people in Italy and 127 total subjects in 13 smaller clusters in France was analyzed using epidemiological and clinical data and shellfish samples. Environmental information from the oyster-producing area, located in a lagoon in southern France, was collected to investigate the possible events leading to the contamination. Virologic analyses were conducted by reverse transcription-PCR (RT-PCR) using the same primer sets for both clinical and environmental samples. After sequencing, the data were analyzed through the database operated by the scientific network FoodBorne Viruses in Europe. The existence of an international collaboration between laboratories was critical to... |
| Tipo: Text |
Palavras-chave: Seafood; Contamination; Norovirus; Epidemiology; Virology; Oyster. |
| Ano: 2006 |
URL: http://archimer.ifremer.fr/doc/2006/publication-2096.pdf |
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| Fradet, Alain. |
| L'augmentation récente de la production mytilicole nationale et l'application de la directive 91/492 CEE relative aux conditions sanitaires de la production et de la mise sur le marché des mollusques bivalves vivants sont venues perturber les habitudes de mise sur le marché des moules en France. La concurrence entre bassins mytilicoles et dans une moindre mesure avec les produits d'importation conduit les professionnels à vouloir différencier la qualité de leurs produits pour éviter la baisse généralisée des cours observée depuis la fin des années 1980. Par ailleurs, la nouvelle réglementation en place impose aux mytiliculteurs de s'assurer de la qualité sanitaire des moules qu'ils mettent sur le marché par des autocontrôles obligatoires. Les difficultés... |
| Tipo: Text |
Palavras-chave: Bivalves; Mytiliculture; Production; Contamination; Normes; Qualité; Établissements mytilicoles; Autocontrôles; HACCP. |
| Ano: 1997 |
URL: http://archimer.ifremer.fr/doc/00103/21441/19022.pdf |
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| Piriou, Jean-yves; Droit, Julie. |
| L'estuaire de la Penzé (nord-Finistère, France) est le siège de plusieurs dysfonctionnements de type biologique (eutrophisation et contaminations bactériennes) qui nécessitent une bonne connaissance et un suivi des apports d'origine terrigène susceptibles d'influencer ou de provoquer ces phénomènes. Une étude sur ce secteur test a permis la mise au point d'une méthodologie de suivi des apports à l'estuaire. Celle-ci se fait en quatre étapes: 1. Inventaire des paramètres de suivi des apports. • Dans le cas de la prolifération des macroalgues du genre ulva et des microalgues toxiques Alexandrium minutum, les différents apports nutritifs azotés, phosphorés et siliceux ont été mesurés. • Dans le cas de la contamination des mollusques bivalves d'ostréiculture... |
| Tipo: Text |
Palavras-chave: Apports; Bactéries; Bassins versants; Contamination; Eutrophisation marine; Rejets; Sels nutritifs. |
| Ano: 2001 |
URL: http://archimer.ifremer.fr/doc/00105/21660/19241.pdf |
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| Bado-nilles, Anne; Auffret, Michel; Quentel, Claire; Le Floch, Stéphane; Arzel, Jacqueline; Gagnaire, Beatrice; Renault, Tristan; Thomas-guyon, Hélène. |
| Estuaries and coastal areas are often subjected to much pollution, including pesticides and polycyclic aromatic hydrocarbons (PAHs) produced by anthropic activities. Bay of Marennes-Oléron is an estuarine coastal zone in which there is a high level of aquacultural production and this has adverse effects in aquatic organisms. In fact, PAHs, which are widely spread throughout aquatic ecosystems, have a low polarity and so there is a clear tendency to bioaccumulate in marine organisms (1). The harmful effects of such contaminants on the organism's immune system, leading to a decreased resistance to pathogens, is a relatively new area of research and it still poorly understood. The aim of the present work was to detect the impact in vivo of PAHs on the immune... |
| Tipo: Text |
Palavras-chave: PaHs; Contamination; Crassostrea gigas; Oyster. |
| Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/2005/acte-3428.pdf |
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| Mille, Tiphaine; Cresson, Pierre; Chouvelon, Tiphaine; Bustamante, Paco; Brach-papa, Christophe; Bruzac, Sandrine; Rozuel, Emmanuelle; Bouchoucha, Marc. |
| Concentrations of 6 trace metals (Ag, Cd, Cu, Ni, Pb, Zn) in the muscle of 2 sharks (Galeus melastomus and Scyliorhinus canicula), 4 teleosts (Helicolenus dactylopterus, Lepidorhombus boscii, Micromesistius poutassou and Phycis blennoides) and 1 crustacean (Nephrops norvegicus) were compared between the Bay of Biscay (Atlantic Ocean) and the Gulf of Lions (Mediterranean Sea). Although average concentrations and the trace element pollution index were generally higher in the Gulf of Lions, significant differences between the two ecosystems were only found for Zn for Helicolenus dactylopterus, and for Ag and Cu for the crustacean N. norvegicus. Moreover, some relationships between trophic level or size and metal concentrations were found for these two... |
| Tipo: Text |
Palavras-chave: Inorganic elements; Contamination; Bioaccumulation; Fish; Shark; Norway lobster. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00448/55958/57497.pdf |
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| Coat, Sophie; Bocquene, Gilles; Godard, Eric. |
| Martinique is a French overseas department whose economy relies heavily on agriculture. Organochlorine pesticides, mainly chlordecone, were used for banana cultivation to eradicate banana weevil over a period of 40 years. Chlordecone is chemically stable,and has a strong affinity for fatty tissues. It is therefore able to bioaccumulate in animals and thereby represent a threat to ecosystems and man. Soils from banana plantations in Martinique are heavily contaminated with chlordecone. Possible transfer of these molecules from agricultural watersheds to the aquatic environment and the organisms that live in it is feared. The hypothesis that ecosystems of Martinique might be highly contaminated with this organochlorine pesticide was investigated. Chlordecone... |
| Tipo: Text |
Palavras-chave: W Atlantic; Caribbean Islands; Food web; Aquatic organisms; Chlordecone; Contamination; Pesticides. |
| Ano: 2006 |
URL: http://archimer.ifremer.fr/doc/2006/publication-1662.pdf |
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| Thouvenin, Benedicte. |
| Dans le cadre du programme national "REJETS URBAINS EN MER", développé par l'IFREMER, en collaboration avec l'Agence de Bassin Rhône Méditerranée Corse, des études sur le comportement d'un effluent émis par un émissaire en profondeur ont été réalisées. Complétant des mesures courantométriques et hydrologiques de longue durée, en un point à la sortie de l'émissaire de TOULON EST, deux modèles mathématiques ont été appliqués pour reproduire et étudier le rejet pendant les deux étapes de dilution. · Le modèle JET, développé par la SOGREAH, a été testé et comparé avec des mesures in situ. Les variations des résultats en fonction des conditions du milieu rencontrées pendant un cycle annuel ont été étudiées. Un modèle de transport et mélange multicouches a été... |
| Tipo: Text |
Palavras-chave: Rejet urbain; Modèle mathématique; Rade de Toulon; Dispersion; Contamination. |
| Ano: 1992 |
URL: http://archimer.ifremer.fr/doc/00132/24287/22285.pdf |
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| Dromard, Charlotte; Bodiguel, Xavier; Lemoine, Soazig; Bouchon-navaro, Yolande; Reynal, Lionel; Thouard, Emmanuel; Bouchon, Claude. |
| Chlordecone is an organochlorine pesticide, used in the Lesser Antilles from 1972 to 1993 to fight against a banana weevil. That molecule is very persistent in the natural environment and ends up in the sea with runoff waters. From 2003 to 2013, seven campaigns of samplings have been conducted to evaluate the level of contamination of fish, crustaceans, and mollusks. The present study is the first assessment and the first comparison of the concentrations of chlordecone between marine areas, taxonomic groups, and ecological factors like trophic groups or preferential habitat of fish species. The four most contaminated marine areas are located downstream the contaminated rivers and banana plantations. Crustaceans seemed to be more sensitive to the... |
| Tipo: Text |
Palavras-chave: Chlordecone; Organochlorine pollution; Marine fauna; Contamination; Guadeloupe; Martinique. |
| Ano: 2016 |
URL: http://archimer.ifremer.fr/doc/00309/41989/41379.pdf |
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| Rees, Jg; Setiapermana, D; Sharp, Va; Weeks, Jm; Williams, Tm. |
| To evaluate the impact of land-based contaminants on benthic faunas, as part of the Land-Ocean Contamination Study (LOCS), a study transect was established in Jakarta Bay, Indonesia during the 1996 southeasterly monsoon. The transect extended 72 km between the city's main port, Tanjung Priok, and the Pilau Seribu Island chain in the Java Sea. The dissolved concentrations of Pb, Cu, Zn, Cr and Ni in seawater, in suspended particulate matter (SPM) and surficial sea bed sediments were measured along the transect at nine sites. In addition, metal concentrations were measured in tissues of the corals Goniopora lobata and Lobophyllia hemprichii at five sites, and of the green mussel, Perna viridis at six sites. An assessment of the impact of contaminants on the... |
| Tipo: Text |
Palavras-chave: Djakarta; Contamination; Biomarqueur; Communauté corallienne; Jakarta; Contamination; Biomarker; Coral-community. |
| Ano: 1999 |
URL: http://archimer.ifremer.fr/doc/00325/43588/44028.pdf |
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| Kojadinovic, Jessica; Bustamante, Paco; Churlaud, Carine; Cosson, Richard P.; Le Corre, Matthieu. |
| Breast feathers were used to estimate mercury levels in six marine birds nesting in the tropical western Indian Ocean, i.e. Sooty Tern (Sterna fuscata), Brown Noddy (Anous stolidus), Lesser Noddy (Anous tenuirostris), Audubon Shearwater (Puffinus lherminieri bailloni), Barau's Petrel (Pterodroma baraui) and the White-tailed Tropicbird (Phaethon lepturus). Juveniles consistently showed lower plumage mercury than adults. The lowest mean level was noted in juvenile Sooty Terns from the Glorioso Archipelago (0.05 mu g g(-1)). The highest levels were obtained for adult Barau's Petrels from Reunion Island (0.96 mu g g(-1)). An inter-site analysis of Sooty Tern showed higher mercury levels in birds nesting on Juan de Nova Island. Levels were low in comparison... |
| Tipo: Text |
Palavras-chave: Tropical islands; Contamination; Bioaccumulation; Mercury; Trophic ecology; Marine birds. |
| Ano: 2007 |
URL: http://archimer.ifremer.fr/doc/2007/publication-3416.pdf |
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| Lahens, Lisa; Strady, Emilie; Kieu-le, Thuy-chung; Dris, Rachid; Boukerma, Kada; Rinnert, Emmanuel; Gasperi, Johnny; Tassin, Bruno. |
| Both macroplastic and microplastic contamination levels were assessed for the first time in a tropical river estuary system, i.e. the Saigon River, that traverses a developing South East Asian megacity, i.e. Ho Chi Minh City, Vietnam. The analysis of floating debris collected daily on the Nhieu Loc - Thi Nghe canal by the municipal waste management service shows that the plastic mass percentage represents 11-43%, and the land-based plastic debris entering the river was estimated from 0.96 to 19.91 g inhabitant-1 d-1, namely 350 to 7270 g inhabitant-1 yr-1. Microplastics were assessed in the Saigon River and in four urban canals by sampling bulk water for anthropogenic fiber analysis and 300 μm mesh size plankton net exposition for fragment analysis. Fibers... |
| Tipo: Text |
Palavras-chave: Microplastic; Macroplastic; Urban river; Contamination; Anthropogenic fibers. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00427/53815/55460.pdf |
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| Registros recuperados: 125 | |
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