Search results for "Fishes -- Effect of chemicals on"

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Perfluoroalkyl substances in the Ebro and Guadalquivir river basins (Spain).

2015

Mediterranean rivers are characteristically irregular with changes in flow and located in high population density areas. This affects the concentration of pollutants in the aquatic environments. In this study, the occurrence and sources of 21 perfluoroalkyl substances (PFASs) were determined in water, sediment and biota of the Ebro and Guadalquivir river basins (Spain). In water samples, of 21 analytes screened, 11 were found in Ebro and 9 in Guadalquivir. In both basins, the most frequents were PFBA, PFPeA and PFOA. Maximum concentration was detected for PFBA, up to 251.3ngL-1 in Ebro and 742.9ngL-1 in Guadalquivir. Regarding the sediments, 8 PFASs were detected in the samples from Ebro an…

Mediterranean climateGeologic SedimentsEnvironmental EngineeringContaminants emergents en l'aiguaDrainage basin010501 environmental sciencesStructural basin01 natural sciencesDry weightRiversEnvironmental ChemistryPeixos -- Efecte de la contaminació de l'aiguaWaste Management and Disposal0105 earth and related environmental sciencesPollutantHydrologygeographyEmerging contaminants in waterPeixos -- Efecte dels productes químicsFluorocarbonsgeography.geographical_feature_categoryAquatic ecosystem010401 analytical chemistrySedimentBiotaFishes -- Effect of chemicals onPollution0104 chemical sciencesAlkanesulfonic AcidsSpainFishes -- Effect of water pollution onEnvironmental scienceWater Pollutants ChemicalEnvironmental MonitoringThe Science of the total environment
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