title: Distribution and mobility of heavy elements in floodplain agricultural soils along the Ibar River (Southern Serbia and Northern Kosovo). Chemometric investigation of pollutant sources and ecological risk assessment.
abstract: This work investigates the influence of a high-magnitude flood event on heavy elements (HEs) pollution and mobility in the agricultural soils along Ibar River in Southern Serbia and Northern Kosovo. The study area was one of the most important Pb/Zn industrial regions in Europe. Soil samples (n = 50) collected before and after the floods in May 2014 were subjected to the sequential extraction procedure proposed by the Community Bureau of Reference (BCR). The results indicated that the floods significantly increased not only the pseudo total concentrations of HEs in the soil but also their mobile and potentially bioavailable amounts. Moreover, higher concentrations (both pseudo total and potentially bioavailable) were found in the agricultural soils closer to the industrial hotspots. Principal component analysis and hierarchical cluster analysis successfully grouped the analyzed elements according to their anthropogenic or natural origin. The floods significantly increased the potential ecological risk of HEs associated with Pb/Zn industrial activities in the study area. The potential ecological risk of Cd after the floods was highest and should be of special concern.
authors.affiliation: Innovation Center, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade, 11120, Serbia. nbarac@tmf.bg.ac.rs.
authors.forename: Nemanja
authors.initials: N
authors.lastname: Barać
authors.affiliation: Department of Analytical Chemistry, Faculty of Chemistry, University of Belgrade, Studentski Trg 12-16, Belgrade, 11000, Serbia.
authors.forename: Sandra
authors.initials: S
authors.lastname: Škrivanj
authors.affiliation: Institute of Medical Statistics and Informatics, Faculty of Medicine, University of Belgrade, dr Subotića 8, Belgrade, 11000, Serbia.
authors.forename: Zoran
authors.initials: Z
authors.lastname: Bukumirić
authors.affiliation: Department of Analytical Chemistry, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade, 11120, Serbia.
authors.forename: Dragana
authors.initials: D
authors.lastname: Živojinović
authors.affiliation: Department of Analytical Chemistry, Faculty of Chemistry, University of Belgrade, Studentski Trg 12-16, Belgrade, 11000, Serbia.
authors.forename: Dragan
authors.initials: D
authors.lastname: Manojlović
authors.affiliation: Department of Technology and Metallurgy, Faculty of Technical Sciences, University of Priština, Kneza Miloša 7, Kosovska Mitrovica, 38220, Serbia.
authors.forename: Milan
authors.initials: M
authors.lastname: Barać
authors.affiliation: Department of Inorganic Chemical Technology, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade, 11120, Serbia.
authors.forename: Rada
authors.initials: R
authors.lastname: Petrović
authors.affiliation: Department of Preventive Medicine, Faculty of Medicine, University of Priština, Anri Dinana n.n. 38220, Kosovska Mitrovica, Serbia.
authors.forename: Aleksandar
authors.initials: A
authors.lastname: Ćorac
mesh_terms: D000383:Agriculture; D004463:Ecology; D004784:Environmental Monitoring; D007221:Industry; D063826:Kosovo; D019216:Metals, Heavy / Q000032:analysis*; D018570:Risk Assessment; D045483:Rivers / Q000737:chemistry; D055771:Serbia; D012987:Soil / Q000737:chemistry; D012989:Soil Pollutants / Q000032:analysis*
chemical_list: D019216:Metals, Heavy; D012987:Soil; D012989:Soil Pollutants
keywords: Agricultural soil; Floods; Heavy elements; Multivariate statistical analysis; Potential ecological risk; Sequential extraction
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