ArticleEnvironmental geochemistry and health2026
Geochemical fractionation and environmental risk assessment of potentially toxic elements (Cu, Zn, Pb, Ni, Cr, Ba, Mn) in Tokaj vineyard soils, Hungary.
Article in Environmental geochemistry and health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
In our study, the sequential extractions and environmental risk assessment of Cu, Zn, Pb, Ni, Cr, Ba, Mn were performed in soil depth profiles and in sediments transported by surface runoff in two vineyards with contrasted soil pH in NE Hungary. Our data indicate that while both sites showed Cu contamination from fungicide applications, the slightly acidic soil in Tállya had considerably higher Cu levels (131 ± 38 mg/kg) than the alkaline soil in Tokaj (51 ± 15 mg/kg) due to longer-term pesticide use history in the former. Potentially toxic elements (PTEs) exhibited overall low mobility in both vineyard soils, with Cr and Ni being strongly retained in the residual fractions (≥ 64-95%). However, Cu revealed high extractability in Tállya (> 57%) down to a depth of 40 cm, further corroborating its predominantly anthropogenic origin and more labile character within the slightly acidic conditions. Contamination and risk assessments using the geoaccumulation index (I
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