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Registros recuperados: 19
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Bioindicators of pollutant exposure in the northwestern Mediterranean sea ArchiMer
Burgeot, Thierry; Bocquene, Gilles; Porte, C; Dimeet, Joel; Santella, Rm; Garcia De La Parra, L.m.; Pihol-leszkowicz, A.; Raoux, C.; Galgani, Francois.
Several bioindicators were used to evaluate the biological and genotoxic effects of marine pollutants near large coastal cities in the northwestern part of the Mediterranean Sea. Three target species of teleosts were selected: red mullet Mullus barbatus and 2 types of comber (Serranus hepatus and S. cabrilla). Induction of ethoxyresorufin-O-deethylase (EROD) activity specific for polycyclic aromatic hydrocarbons (PAH) and polychlorinated biphenyls (PCB) was measured in the livers of the fish, and inhibition of acetylcholinesterase (AChE) by organophosphorus insecticides and carbamates was measured in their muscle tissues. Maximal EROD activities (16.8 +/- 2.7 to 19.4 +/- 4.2 pmol min(-1) mg protein(-1)) recorded in red muller near Barcelona (Spain),...
Tipo: Text Palavras-chave: EROD; GST; AChE; Antioxidant enzymes; Biomonitoring; DNA adducts; PAH; Mullus barbatus.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/00183/29410/27779.pdf
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Biological effects of the "Erika" oil spill on the common mussel (Mytilus edulis) ArchiMer
Bocquene, Gilles; Chantereau, Sebastien; Clerendeau, Christelle; Beausir, Emilie; Menard, Dominique; Raffin, Bernard; Minier, Christophe; Burgeot, Thierry; Leszkowicz, Annie Pfohl; Narbonne, Jean-françois.
A 3-year survey was made of several biological markers in mussels (Mytilus edulis) exposed in situ to the oil that came ashore after the wreck of the "Erika" tanker on the Brittany (France) coast in December 1999. The mussel response was assessed using a set of 7 biomarkers, most of them related to the metabolism of organic contaminants. After a series of validation tests, data was evaluated for only 5 biomarkers: acety1cholinesterase (AChE), glutathione S-transferase (GST), catalase (CAT), malondialdehyde (MDA) and deoxyribonucleic acid (DNA) adducts. No significant reductions in GST or CAT levels were observed, levels of DNA adducts and MDA were high during the 6 months immediately following the accident and levels of AChE were significantly lower during...
Tipo: Text Palavras-chave: Mytilus edulis; Mussel; Biomarkers; Monitoring; Survey; PAH; Polycyclic aromatic hydrocarbon; Oil spill.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-403.pdf
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Bioremediation of polyaromatic hydrocarbons (PAHs) using rhizosphere technology BJM
Bisht,Sandeep; Pandey,Piyush; Bhargava,Bhavya; Sharma,Shivesh; Kumar,Vivek; Sharma,Krishan D..
The remediation of polluted sites has become a priority for society because of increase in quality of life standards and the awareness of environmental issues. Over the past few decades there has been avid interest in developing in situ strategies for remediation of environmental contaminants, because of the high economic cost of physicochemical strategies, the biological tools for remediation of these persistent pollutants is the better option. Major foci have been considered on persistent organic chemicals i.e.polyaromatic hydrocarbons (PAHs) due to their ubiquitous occurrence, recalcitrance, bioaccumulation potential and carcinogenic activity. Rhizoremediation, a specific type of phytoremediation that involves both plants and their associated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: PAH; Bioremediation; Rhizoremediation; Enzyme; Plant microbe pair.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822015000100007
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Chemical and microbiological characterization of mangrove sediments after a large oil-spill in Guanabara Bay - RJ - Brazil BJM
Maciel-Souza,Maria do Carmo; Macrae,Andrew; Volpon,Antonia Garcia Torres; Ferreira,Patrícia Silva; Mendonça-Hagler,Leda Cristina.
Seventeen months after a 1,3 million L oil spill into Guanabara Bay, analyses of mangrove sediments showed that the three sites closest to the spill remain highly polluted (>10 µg-g-1 polyaromatic hydrocarbons). A fourth site was less polluted, from which most hydrocarbon degrading bacteria were isolated.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Mangrove; PAH; Bioprospecting; Bioremediation; Oil spill; Polyaromatic hydrocarbons.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822006000300013
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Chronic Polyaromatic Hydrocarbon (PAH) Contamination Is a Marginal Driver for Community Diversity and Prokaryotic Predicted Functioning in Coastal Sediments ArchiMer
Jeanbille, Mathilde; Gury, Jérôme; Duran, Robert; Tronczynski, Jacek; Ghiglione, Jean-françois; Agogué, Hélène; Saïd, Olfa Ben; Taïb, Najwa; Debroas, Didier; Garnier, Cédric; Auguet, Jean-christophe.
Benthic microorganisms are key players in the recycling of organic matter and recalcitrant compounds such as polyaromatic hydrocarbons (PAHs) in coastal sediments. Despite their ecological importance, the response of microbial communities to chronic PAH pollution, one of the major threats to coastal ecosystems, has received very little attention. In one of the largest surveys performed so far on coastal sediments, the diversity and composition of microbial communities inhabiting both chronically contaminated and non-contaminated coastal sediments were investigated using high-throughput sequencing on the 18S and 16S rRNA genes. Prokaryotic alpha-diversity showed significant association with salinity, temperature, and organic carbon content. The effect of...
Tipo: Text Palavras-chave: Microbial communities; PAH; Chronic contamination; Coastal sediment; Functional diversity.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00347/45854/45522.pdf
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Concentrations and origin of polycyclic aromatic hydrocarbons in sediments of the Middle Adriatic Sea ArchiMer
Mandic, Jelena; Pavela Vrancic, Maja.
A total of 208 polycyclic aromatic compounds and their substituted homologues were investigated on eight stations along Croatia-Italy transect in the Middle Adriatic. PAC concentrations were higher in the coastal area than in the open sea area. The highest PAC concentrations were measured in the vicinity of the industrial harbor of Split while the lowest concentrations were observed on stations located in the open sea area. Polycyclic aromatic hydrocarbons were dominant group of compounds on each investigated station with contributions in total PAC concentration of more than 85%. S-PAH concentrations were higher than O-PAH concentration in each sample and tend to decrease as the distance from the coast increased. Contributions of O-PAH in total PAC...
Tipo: Text Palavras-chave: Polycyclic aromatic compounds; PAH; Sediments; Diagnostic ratios; Marine pollution; Adriatic Sea.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00395/50607/51319.pdf
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Effect of ageing on mobility and sequestration of phenanthrene in an agricultural soil Inra
Amellal, S.; Boivin, A.; Perrin Ganier, C.; Schiavon, M..
We studied the effect of ageing on the mobility and sequestration of 14C-phenanthrene in an agricultural soil. We used autovial microcolumns incubated for a period ranging between 0 and 156 days. Our results showed that a large proportion of radioactivity remained extractable by methanol up to 64 days of incubation, amounting from 44.5 to 80.2% of initial radioactivity. Mineralisation of 14C-phenanthrene began tardily, after the decrease of mineralisation of the soil organic matter. Throughout incubation, mineralisation remained slow and weak, of co-metabolic type, and only 2% of the quantity applied was mineralised over a period of 156 days. The amount of radioactivity leached varied considerably during incubation. Under the effect of water percolation of...
Tipo: Journal Article Palavras-chave: PAH.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20078ea7ded9&uri=/notices/prodinra1/2009/11/
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Impacts of Deepwater Horizon oil and associated dispersant on early development of the Eastern oyster Crassostrea virginica ArchiMer
Vignier, J.; Donaghy, L.; Soudant, P.; Chu, F. L. E.; Morris, J. M.; Carney, M. W.; Lay, C.; Krasnec, M.; Robert, Rene; Volety, A. K..
The explosion of the Deepwater Horizon (DWH) oil platform resulted in large amounts of crude oil and dispersant Corexit 9500A® released into the Gulf of Mexico and coincided with the spawning season of the oyster, Crassostrea virginica. The effects of exposing gametes and embryos of C. virginica to dispersant alone (Corexit), mechanically (HEWAF) and chemically dispersed (CEWAF) DWH oil were evaluated. Fertilization success and the morphological development, growth, and survival of larvae were assessed. Gamete exposure reduced fertilization (HEWAF: EC201 h = 1650 μg tPAH50 L− 1; CEWAF: EC201 h = 19.4 μg tPAH50 L− 1; Corexit: EC201 h = 6.9 mg L− 1). CEWAF and Corexit showed a similar toxicity on early life stages at equivalent nominal concentrations....
Tipo: Text Palavras-chave: Deepwater Horizon oil; Oyster; Fertilization; CEWAF; Corexit; PAH.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00277/38853/42693.pdf
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Influence of crude oil exposure on cardiac function and thermal tolerance of juvenile rainbow trout and European sea bass ArchiMer
Anttila, Katja; Mauduit, Florian; Le Floch, Stephane; Claireaux, Guy; Nikinmaa, Mikko.
Oil spills pose a threat to aquatic organisms. However, the physiological effects of crude oil on cardiac function and on thermal tolerance of juvenile fish are still poorly understood. Consequently, in this paper, we will present results of two separate experiments where we exposed juvenile rainbow trout and European sea bass to crude oil and made cardiac thermal tolerances and maximum heart rate (fHmax) measurements after 1 week (rainbow trout) and 6-month recovery (sea bass). In both species, the fHmax was lower in crude oil-exposed fish than in the control ones at temperatures below the optimum but this difference disappeared at higher temperatures. More importantly, the oil-exposed fish had significantly higher Arrhenius break point temperature for...
Tipo: Text Palavras-chave: Arrhenius break point temperature; Critical thermalmaximum; CTMAX; Fish; Heart rate; Oil spill; PAH.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00391/50271/50970.pdf
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Interactions between Crassostrea virginica larvae and Deepwater Horizon oil: Toxic effects via dietary exposure ArchiMer
Vignier, J.; Rolton, A.; Soudant, Philippe; Chu, F. L. E.; Robert, Rene; Volety, A. K..
The Deepwater Horizon (DWH) disaster released crude oil in the Gulf of Mexico for 87 days, overlapping with the reproductive season and recruitment of the oyster Crassostrea virginica. The pelagic larval life stages of C. virginica are particularly vulnerable to contaminants such as polycyclic aromatic hydrocarbons (PAHs) and oil droplets. Based on their lipophilic properties, PAHs and oil droplets can adsorb onto phytoplankton and filter-feeding C. virginica larvae may be exposed to these contaminants bound to suspended sediment, adsorbed onto algal and other particles, or in solution. This study examined the effects of exposure of C. virginica larvae to algae mixed with DWH oil. In a 14-day laboratory exposure, 5 day-old C. virginica larvae were exposed...
Tipo: Text Palavras-chave: Deepwater Horizon oil; Droplet; Oyster larvae; Dietary exposure; PAH.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00473/58423/61445.pdf
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Investigation of aromatic hydrocarbon inclusion into cyclodextrins by Raman spectroscopy and thermal analysis ArchiMer
Tijunelyte, Inga; Dupont, Nathalie; Milosevic, Irena; Barbey, Carole; Rinnert, Emmanuel; Lidgi-guigui, Nathalie; Guenin, Erwann; De La Chapelle, Marc Lamy.
Among various cavitand molecules, cyclodextrins are extensively studied due to their ability to form host-guest complexes with small hydrophobic molecules. Aiming to explore cyclodextrin implementation on the scopes related to the environmental pollution monitoring or remediation, extensive studies for understanding the cyclodextrin-based host-guest complex formation with selected targeted substances are conducted. In this context, two polycyclic aromatic hydrocarbons, naphthalene and fluoranthene as well as toluene as a member of volatile organic compounds, were studied regarding their ability to encapsulate into cyclodextrin cavities. Synthesised complexes were examined by thermogravimetric analysis combined with Raman spectroscopy. The obtained results...
Tipo: Text Palavras-chave: Raman spectroscopy; Thermogravimetric analysis; Cyclodextrin; Polyaromatic hydrocarbons; PAH; Host-guest complex.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00417/52845/53907.pdf
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Lethal and sub-lethal effects of Deepwater Horizon slick oil and dispersant on oyster (Crassostrea virginica) larvae ArchiMer
Vignier, J.; Soudant, P.; Chu, F. L. E.; Morris, J. M.; Carney, M. W.; Lay, C. R.; Krasnec, M. O.; Robert, Rene; Volety, A. K..
In April 2010, crude oil was spilled from the Deepwater Horizon (DWH) oil platform for 87 days, coincident with the spawning season and recruitment of the oyster, Crassostrea virginica, in the Gulf of Mexico. Impacts of acute exposures to surface-collected DWH oil (HEWAF), dispersed oil (CEWAF) and dispersant alone (Corexit 9500A®) on planktonic larval stages of C. virginica (veliger, umbo and pediveliger) were tested in the laboratory. Exposures to HEWAF, CEWAF and dispersant were toxic to larvae impairing growth, settlement success and ultimately survival. Larval growth and settlement were reduced at concentrations of tPAH50 ranging from 1.7 to 106 μg L−1 for HEWAF and 1.1–35 μg L−1 for CEWAF, concentrations well within the range of water sampled during...
Tipo: Text Palavras-chave: Deepwater Horizon oil spill; Crassostrea virginica; Corexit 9500A (R); Larvae; Growth; Settlement; PAH.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00345/45572/45181.pdf
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METROC : évaluation des apports de contaminants chimiques de la métropole marseillaise au milieu marin ArchiMer
Jany, Cassandre; Zebracki, Mathilde.
METROC program (part of the MEDICIS program about study and fate of the chemical contamination in Western Mediterranean Sea) focuses on sources and wastes issued by large metropolis, with the agglomeration of Marseille as a pilot site. This report presents the results of a sampling campaign in rivers and urban discharges in Marseille and on different types of contaminants (metals, PAH, PCB and PBDE) in dissolved and particulate phases, in dry and rain periods. Results show that concentrations of pollutants are greater in Aygalades river (metals and organic contaminants) and in Emissaire 2, sewer overflows and torrents. From the results of the analysis and discharge given by the DEA, we estimated partially the flows of pollutants which show that the first...
Tipo: Text Palavras-chave: Mer Méditerranée; Littoral; Apports urbains; Marseille; Contamination chimique; Métaux; HAP; PCB; PBDE; Concentrations; Mediterranean Sea; Coast; Urban waste; Marseilles; Chemical contamination; Metals; PAH; PCB; PBDE; Concentration.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00116/22692/20431.pdf
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Organoleptic characterization and PAH content of salmon (Salmo salar) fillets smoked according to four industrial smoking techniques ArchiMer
Varlet, Vincent; Serot, Thierry; Knockaert, Camille; Cornet, Josiane; Cardinal, Mireille; Monteau, Fabrice; Le Bizec, Bruno; Prost, Carole.
Four industrial processes for smoking food were studied through their effects on the organoleptic properties of smoked salmon and on the occurrence of 20 polycyclic aromatic hydrocarbons (PAHs) known as being contaminants of smoking processes. The contamination by PAHs of the food might be measured by their corresponding toxic equivalent quantity (TEQ) expressed in mu g kg(-1). The results show a significant correlation between the smoking process parameters, the odour of the smoked fish and the presence of PAHs. Smouldering, thermostated plates and friction smoking processes allow smoked fish with very close odorant characteristics to be obtained. However, differences of pyrolysis temperature (between 380 and 500 degrees C) causes significant differences...
Tipo: Text Palavras-chave: Organoleptic properties; PAH; Smoke generation; Smoking process.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2550.pdf
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PAHs transfer to milk in exposed lactating ruminants Inra
Costera, A.; Feidt, C.; Dziurla, M.A.; Monteau, F.; Toussaint, H.; Rychen, G..
Polycyclic Aromatic Hydrocarbons (PAHs) are carcinogenic pollutants of mainly pyrolytic origin. Dairy cattle may introduce these pollutants in the food chain by grazing on contaminated grasslands. This study was aimed to determine the influence of the matrice (soil, hay, oil as control) on the transfer to milk and urine of three PAHs (phenanthrene, pyrene and benzo(a)pyrene) and their major metabolites. The studied matrices were artificially contaminated to ensure 50 mg ingestion for each PAH. Three goats were placed in controlled conditions and the matrice administration was achieved according to a latin square design. After each matrice administration (500 g hay, 25 g soil, 5 mL oil), milk and urine were sampled for the 57 h period following...
Tipo: Conference Paper Palavras-chave: HYDROCARBURE AROMATIQUE; CHAINE ALIMENTAIRE; POLLUANT; LAIT DE VACHE; TRANSFERT POLYCYCLIC AROMATIC HYDROCARBONS; PAH; CARCINOGENIC POLLUTANTS; DAIRY CATTLE; FOOD CHAIN; GRAZING; HAY; SOIL; TRANSFER; MILK; URINE.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20076af05990&uri=/notices/prodinra1/2008/03/
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Pollution maps of grass contamination by platinum group elements and polycyclic aromatic hydrocarbons from road traffic Inra
Tankari Dan-Badjo, A.; Rychen, G.; Ducoulombier, C..
The increase in deposition of air pollutants such as the platinum group elements (PGEs) Pt, Pd and Rh, and polycyclic aromatic hydrocarbons (PAHs) from vehicles on plants has raised concerns about the risk for the quality of food and, in turn, for human health. Here, we report the first pollution maps of PGEs and PAHs at the agricultural scale. PGEs have recently emerged in ecosystems due to their massive use as catalysts in the automobile industry. PAHs are combustion by-products known for their carcinogenic properties. PAHs and PGEs emitted by vehicles can enter the food chain through deposition on plants growing near roads. Despite many investigations of PAHs and PGEs, knowledge on their spatial distribution near roads is very scarce. Here, we assessed...
Tipo: Journal Article Palavras-chave: PLATINE; PALLADIUM; RHODIUM; HYDROCARBURE AROMATIQUE POLYCYCLIQUE; SPATIALISATION; AUTOMOBILE; TRAFIC ROUTIER PT; PD; RH; PAH; PGE; RYEGRASS; SPATIALIZATION; ROAD EMISSION.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200897c0e208&uri=/notices/prodinra1/2009/07/
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Relationship between PAH biotransformation as measured by biliary metabolites and EROD activity, and genotoxicity in juveniles of sole (Solea solea) ArchiMer
Wessel, Nathalie; Santos, Raphael; Menard, Dominique; Le Menach, K.; Buchet, Vincent; Le Bayon, Nicolas; Loizeau, Veronique; Burgeot, Thierry; Budzinski, H.; Akcha, Farida.
Polycylic aromatic hydrocarbons (PAHs) are ubiquitous contaminants in the marine environment Their toxicity is mainly linked to the ability of marine species to biotransform them into reactive metabolites PAHs are thus often detected at trace levels in animal tissues For biomonitoring purposes this findings have two main consequences (i) the determination of the PAH tissue concentration is not suitable for the evaluation of individual exposure to PAHs (ii) It can explain sometimes the lack of correlations obtained with relevant markers of toxicity such as genotoxicity biomarkers The aim of the present study was to better investigate the link between PAH exposure and genotoxicity in marine flatfish During a laboratory experiment juvenile soles were exposed...
Tipo: Text Palavras-chave: Ecotoxicology; Sole; PAH; Metabolites; EROD; Comet assay.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00018/12970/10834.pdf
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Response of Core Microbial Consortia to Chronic Hydrocarbon Contaminations in Coastal Sediment Habitats ArchiMer
Jeanbille, Mathilde; Gury, Jerome; Duran, Robert; Tronczynski, Jacek; Agogue, Helene; Ben Said, Olfa; Ghiglione, Jean-francois; Auguet, Jean-christophe.
Traditionally, microbial surveys investigating the effect of chronic anthropogenic pressure such as polyaromatic hydrocarbons (PAHs) contaminations consider just the alpha and beta diversity and ignore the interactions among the different taxa forming the microbial community. Here, we investigated the ecological relationships between the three domains of life (i.e., Bacteria, Archaea, and Eukarya) using 454 pyrosequencing on the 16S rRNA and 18S rRNA genes from chronically impacted and pristine sediments, along the coasts of the Mediterranean Sea (Gulf of Lion, Vermillion coast, Corsica, Bizerte lagoon and Lebanon) and the French Atlantic Ocean (Bay of Biscay and English Channel). Our approach provided a robust ecological framework for the partition of the...
Tipo: Text Palavras-chave: Co-occurrence network; Core community; Microbial consortia; PAH; Chronic contamination; Coastal sediment.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00355/46586/46394.pdf
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Risk simulation of soil contamination by polycyclic aromatic hydrocarbons from sewage sludge used as fertilizers. Repositório Alice
PARAIBA, L. C.; QUEIROZ, S. C. do N. de; SOUZA, D. R. C. de; SAITO, M. L..
Resumo: Este trabalho investigou a presença de 16 hidrocarbonetos policíclicos aromáticos (HPAs) em lodo de esgoto e em solo com aplicação de lodo como fertilizante agrícola e simulou o risco de contaminação por HPAs a longo prazo. As amostras foram extraídas usando diclorometano e em seguida com n-hexano em banho ultrassônico. A limpeza do extrato foi feita em coluna de alumina. As quantificações dos HPAs foram obtidas por cromatografia gasosa acoplada a um espectrômetro de massas (GC-MS/MS ion trap). Os resultados evidenciaram que HPAs encontrados em lodos de esgoto podem apresentar risco de contaminação de solos. As simulações das concentrações dos HPAs no solo por meio de modelos matemáticos foram utilizadas para indicar uma ordem de prioridade para...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: PAH; Biosolid; Ion trap GC-MS/MS; Soil contamination; Adubo de esgoto; Lodo residual; Adubo orgânico; Impacto ambiental; Solo; Hidrocarboneto; Sewage sludge; Soil pollution; Polycyclic aromatic hydrocarbons.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/handle/doc/898078
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