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Registros recuperados: 125
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Incidences de l'Amoco Cadiz sur les exploitations ostréicoles ArchiMer
Grizel, Henri; Michel, Pierre; Abarnou, Alain; Guegan, B..
Oyster contamination present on Oyster-beds in Abers-Morlaix bay when stranding arrives, decontamination of this oysters in others clean rivers an clean oyster stocks in oyster-beds, submersible and insubmersible thanks in pollute rivers are described. Pratical implication of this result in given.
Tipo: Text Palavras-chave: Amoco Cadiz; Croissance; Mortalités; Décontamination; Marée noire; Contamination; Pollution; Huîtres.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/1979/acte-6247.PDF
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Incidence of aflatoxin in corn Thai Agricultural
Prisnar Siriacha; Arunsri Wong-Urai; Prawat Tonboon-Ek; Dara Buangsuwon.
5 tables
Palavras-chave: Corn; Maize; Aflatoxins; Fungi; Aspergillus; Fusarium; Botryodiplodia; Penicillium; Contamination; Fields; Storage houses; ข้าวโพด; อะฟลาทอกซิน; เชื้อรา; แอสเปอร์จิลลัส; ฟูซาเรียม; โบทริโอดิพโพลเดีย; เพนนิซิเลียม.
Ano: 1982 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4092
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L'étain et les organoétains en milieu marin. Biogéochimie et écotoxicologie. ArchiMer
Alzieu, Claude.
This report synthesizes the knowledge on the biogeochemical cycle, bioconcentration processes and ecotoxicity of tin and organotins in the marine environment. Concentrations levels, biomethylation mechanisms and exchanges between sediments and water are assessed. Emphasis is given on tributyltin sublethal effects, toxicity mechanisms and no effect levels for the most sensitive organisms. Regulations on the use of organotins as antifoulants in paints are examined. Conclusions and recommendations for environmental management and research are given.
Tipo: Text Palavras-chave: Étain; Biogéochimie; Contamination; Écotoxicologie.; Tin; Biogeochemistry; Contamination; Ecotoxicology.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/00332/44314/43883.pdf
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Le cadmium en milieu marin. Biogéochimie et écotoxicologie. ArchiMer
Cossa, Daniel; Lassus, Patrick.
This report synthesizes the knowledge on the biogeochemical cycle, bioconcentration processes and ecotoxicity of cadmium in the marine environment. Man induced changes on the cadmium cycle, especially along the French coasts are reviewed. Concentration levels, mechanisms and fluxes between geochemical reservoirs are assessed. Emphasis is given on sublethal effects and toxicity mechanisms. Quality standards used in European Community countries are listed. Conclusions and recommendations for environmental management and research are given.
Tipo: Text Palavras-chave: Cadmium; Biogéochimie; Contamination; Écotoxicologie.; Cadmium; Biogeoclzemistry; Contamination; Ecotoxicology.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/00332/44312/43866.pdf
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Le mercure en milieu marin. Biogéochimie et écotoxicologie ArchiMer
Cossa, Daniel; Thibaud, Yves; Roméo, Michèle; Gnassia-barelli, Mauricette.
This report synthesizes the knowledge on the biogeochemical cycle, bioconcentration processes and ecotoxicity of mercury in the marine environment. Man induced changes on the mercury cycle, especially along the French coasts are reviewed. Concentration levels, mechanisms and fluxes between geochemical reservoirs are assessed. Emphasis is given on sublethal effects and toxicity mechanisms. Quality standards used in European Community countries are listed. Conclusions and recommendations for environmental management and research are given.
Tipo: Text Palavras-chave: Mercure; Biogéochimie; Contamination; Écotoxicologie; Mercury; Biogeochemistry; Contamination; Ecotoxicology.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00332/44319/43890.pdf
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Les polychlorobiphényles (PCB) en milieu marin : biogéochimie et écotoxicologie ArchiMer
Marchand, Michel; Abarnou, Alain; Marcaillou-le Baut, Claire.
This report synthesizes the knowledge on the behaviour, bioconcentration processes and ecotoxicity ofPCB in the marine environment. Contamination levels of the French coasts are examined. Concentration levels, mechanisms andfluxes between geochemicai reservoirs are assessed. Emphasis is given on subiethai effects and toxicity mechanisms. Quality standards used in European Community countries are listed. Conclusions and recommendations for environmentai management and research are given.
Tipo: Text Palavras-chave: PCB; Biogéochimie; Contamination; Écotoxicologie; PCBs; Biogeochemistry; Contamination; Ecotoxicology.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00148/25954/24045.pdf
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Transport et mélange d'un rejet urbain dans le milieu marin - Mer Méditerranée ArchiMer
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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Contamination de l'environnement littoral par les rotavirus du groupe A. Détection par amplification enzymatique en chaîne et analyse du polymorphisme de restriction de séquences virales dans les eaux de surfaces et les coquillages ArchiMer
Dubois, Eric.
Les rotavirus font partie des principaux virus entériques humains susceptibles d'être rencontrés dans l'environnement. Leur mise en évidence par culture cellulaire dans des prélèvements est longue et peu sensible, ce qui explique le manque de données sur la contamination du littoral. La RT-seminested PCR a été développée pour pallier ces inconvénients. Après une mise au point méthodologique cette technique a été utilisée lors d'études in vitro et in situ. Les études in vitro sur le devenir des rotavirus en eau de mer, suivi par RT-PCR quantitative et par multiplication en culture cellulaire, montrent que dans des conditions proches de celles du milieu naturel (eau de mer non stérile et à une température relativement basse), la détection d'ARN viral peut...
Tipo: Text Palavras-chave: Rotavirus; Contamination; Coquillages; Eaux de stations d'épuration; Echantillons cliniques; RT-PCR; RFLP; Epidémiologie moléculaire.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/00442/55376/56894.pdf
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Le plomb en milieu marin. Biogeochimie et ecotoxicologie ArchiMer
Cossa, Daniel; Elbaz-poulichet, Françoise; Gnassia-barelli, Mauricette; Romeo, Michèle.
This report synthesises the knowledge on the biogeochemical cycle, bioconcentration processes and ecotoxicity of lead in the marine environment. Man induced changes on the lead cycle, especially along the French coasts are reviewed. Concentration levels, mechanisms and fluxes between geochemical reservoirs are assessed. Emphasis is given on sublethal effects and toxicity mechanisms. Quality standards used in European Community countries are listed. Conclusions and recommendations for environmental management and research are given.
Tipo: Text Palavras-chave: Ecotoxicology; Contamination; Biogeochemistry; Lead; Ecotoxicologie; Contamination; Biogeochimie; Plomb.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/1993/rapport-1449.pdf
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L'arsenic en milieu marin. Biogeochimie et ecotoxicologie ArchiMer
Michel, Pierre.
Arsenic levels of in the marine environment are high in comparison with other contaminants. Over the past twenty years, a large number of arsenic organic compounds have been identified in the water, sediments and living species. This document constitutes a synthesis of current knowledge on arsenic sources, and contamination levels, on its biogeochemical cycle as well as its toxic effects on human and marine fauna. This paper highlights in particular the effects of phosynthesis on arsenic speciation and its distribution throughout the marine environment. Problems of toxicity in the case of certain phyto- and zooplankton species are identified. Bioaccumulation in seaweeds, molluscs and fishes is documented as well, with special attention to the species...
Tipo: Text Palavras-chave: Ecotoxicology; Contamination; Biogeochemistry; Arsenic; Ecotoxicologie; Contamination; Biogéochimie; Arsenic.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/1993/rapport-1448.pdf
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Etude sanitaire du Havre du Payré (1989-1993) et qualité des coquillages commercialisés (1980-1991) ArchiMer
Allenou, Jean-pierre; Pezeron, Annie; Dumont, Francoise; Menanteau, Chantal.
Le Havre du Payré situé au sud des Sables d'Olonne abrite une zone ostréicole de production modeste (1 000 tonnes en 1992). Le réseau de surveillance du milieu marin mis en place par l'IFREMER en 1989 a mis en évidence des épisodes de contamination important sur ce site. Les niveaux atteints en 1992 ont entraîné la fermeture de la zone. Une dynamique s'est alors mise en place entre les diverses Administrations et l'IFREMER a réalisé un suivi intensif sur les trois derniers mois de l'année 1993.
Tipo: Text Palavras-chave: Hâvre du Payré; Coliformes fécaux; Surveillance microbiologique; Etablissement d'expédition; Contamination.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/00081/19212/16807.pdf
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La qualité marchande des moules. Méthodologie pour la maîtrise du risque sanitaire ArchiMer
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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Potencial de contaminacao do Pantanal por pesticidas utilizados na Bacia do Alto Taquari, MS. Infoteca-e
VIEIRA, L. M.; GALDINO, S.; PADOVANI, C. R..
Os pesticidas compreendem um largo espectro de produtos quimicos usados na agropecuaria para controlar pragas, doencas de plantas e animais e combater ervas invasoras de culturas e pastagens. A eficacia comprovada desses produtos, aliada a crescente demanda setorial, viabilizou rapidamente a producao industrial, com o objetivo de incrementar a produtividade dos sistemas agropecuarios direcionados para a producao de alimentos. Os efeitos imediatos de toxicidade humana e ambiental foram durante muitos anos negligenciados ou considerados de menor relevancia. A expansao da agropecuaria na Bacia do Alto Paraguai (BAT), cuja superficie e de aproximadamente 29 mil km2, intensificada a partir da decada de 1970, passou a constituir uma serie ameaca para os...
Tipo: Outras publicações técnicas (INFOTECA-E) Palavras-chave: Rio Taquari; Pesticide; Contamination; Taquari river.; Contaminação; Impacto Ambiental; Meio Ambiente; Pesticida.; Pantanal; Environment; Environmental impact..
Ano: 1998 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/793002
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Alteração e conservação do leite. Infoteca-e
MACHADO, T. F..
Propriedades importantes; contaminacao; alteracao; conservacao; conclusao e recomendacao.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Conservation; Contamination; Quality.; Conservação; Contaminação; Leite; Microbiologia; Qualidade.; Milk.; Microbiology.
Ano: 1998 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/421826
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Contaminação, conservação e alteração da carne. Infoteca-e
FEITOSA, T..
Transformacao do musculo em carne; contaminacao; fatores que influenciam a multiplicacao da flora inicial; atividade da agua; pH; potencial redox; temperatura; alteracao; alteracoes em temperaturas elevadas; aleracoes em temperaturas intermediarias; alteracoes em temperaturas baixas; conservacao; assepsia; emprego de temperaturas baixas; refrigeracao; congelamento; emprego do calor; radiacao; desidratacao; emprego deconservantes; cura; defumacao; condimentos; antibioticos...
Tipo: Documentos (INFOTECA-E) Palavras-chave: Contamination; Conservation; Quality.; Carne; Conservação; Contaminação; Microbiologia; Qualidade.; Meat; Microbiology..
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/421977
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High performance liquid chromatographic screening and gas chromatography-nass spectrometry confirmation of tebuthiuron residues in drinking water. Infoteca-e
BONATO, P. S.; LANCHOTE, V. L.; DREOSSI, A. de C..
Tebuthiuron (N-[5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N,N-dimethylurea) is a phenylurea herbicide used in sugar cane culture for the pre- and post-emergence control of weeds [1,2]. Analysis of tebuthiuron (Figure 1) and of other phenylurea herbicides in environmental samples can be performed by HPLC [3-10], or by gas chromatography using selective detectors such as nitrogen-prosphorus detector (NPD), eletron-capture detector (ECD), or a mass spectrometer (MS) [11-16]. Although Loh et al [17] reported that the use of temperatures above 280oC permits quantitative tebuthiuron breakdown, thus permitting the analysis of the products of decomposition formed, methods based on gas chromatography usually involve a derivatization step to permit analysis of...
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Analysis; Contamination; Residues; Calibration; Environmental impact; Groundwater; Herbicides; Quality control.
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/13136
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Evaluation of the impacts of land-based contaminants on the benthic faunas of Jakarta Bay, Indonesia ArchiMer
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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Apports nutritifs et bactériens en estuaire de Penzé. Année 2000 ArchiMer
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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Evaluation économique des dommages liés à la contamination microbiologique des eaux côtières Le cas de la conchyliculture ArchiMer
Roncin, Nicolas; Kervarec, Fabienne; Boncoeur, Fabienne.
Tipo: Text Palavras-chave: Mussel culture; Monitoring; Contamination; Economic impact; Coastal water; Marine pollution; Shellfish culture; SEM; Conchyliculture; Developpement economique; Surveillance; Controle microbiologique; Contamination.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/rapport-1739.pdf
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Agricultura e qualidade da agua: contaminacao da agua por nitrato. Infoteca-e
RESENDE, A. V. de.
bitstream/CPAC-2009/24718/1/doc_57.pdf
Tipo: Documentos (INFOTECA-E) Palavras-chave: Contamination; Health.; Contaminação; Fósforo; Impacto Ambiental; Nitrogênio; Poluição da Água; Saúde.; Recurso Hídrico; Qualidade da Água; Environmental impact; Eutrophication; Nitrates; Nitrogen; Phosphorus; Water resources.; Water quality; Water pollution.
Ano: 2002 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/546464
Registros recuperados: 125
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