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Nucleus
versión On-line ISSN 2075-5635
Resumen
MESA PEREZ, María Aurora; HERNANDEZ PEREZ, Rayner y DIAZ RIZO, Oscar. Assessment of heavy metal pollution in sediments from the mampostón sub-watershed (mayabeque, cuba) using X-ray fluorescence analysis. Nucleus [online]. 2020, n.67, pp. 28-32. Epub 24-Jul-2020. ISSN 2075-5635.
Concentrations of nickel, copper, zinc and lead in surface sediments from 16 stations located in Mampostón sub-watershed (Mayabeque, Cuba) were estimated by X-ray fluorescence analysis. The Cu, Zn and Pb contents in sediments shows a different level of contamination across the studied stations. The application of modified degree of contamination (mCd) allowed to classify the metal pollution in Ganuza and Mampostón rivers and in Pedroso reservoir. The comparison with Sediment Quality Guidelines and toxicity mean quotients shows that 100% of the sediments are associated with the occasional presence of possible adverse effects to human health.
Palabras clave : heavy metals; Cuba; X-ray fluorescence analysis; sediments; pollution; agriculture; aquaculture; sedimentary basins.