ArticleEnvironmental science and pollution research international2016
Heavy metal speciation, risk, and bioavailability in the sediments of rivers with different pollution sources and intensity.
Article in Environmental science and pollution research international, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Invasive Plants as Accumulators of Heavy Metals and Potentially Toxic Elements: A Review with Implications for Remediation.Plants (Basel, Switzerland) · 2026Review
- Chemical fractionation and risk assessment of surface sediments in Luhun Reservoir, Luoyang city, China.Environmental science and pollution research international · 2020Article
- Efficacy of biocementation of lead mine waste from the Kabwe Mine site evaluated using Pararhodobacter sp.Environmental science and pollution research international · 2019Article
- A DFT study of the interaction between [Cd(HJournal of molecular modeling · 2018Article
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5 authors.
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Abstract
A comprehensive analysis of heavy metal speciation, risk, and bioavailability in the sediments of three rivers in northern China (Shaocun River (SR), Wangyang River (WR), and Xiao River (XR)) was conducted. The results showed that higher pollution input resulting from urbanization and industrialization caused higher heavy metal contents and bioavailable proportion in the studied sediments. Total contents of all studied metals (Cr, Cu, Ni, Pb, and Zn) in the sediments of SR, WR, and XR were 270.31, 902.62, and 2367.46 mg/kg, respectively. The average percentages of bioavailable fractions were 31.16, 61.73, and 81.69 %, respectively. Cr, Ni, and Pb were all mainly observed in the B4 (residual) fraction in the studied sediments, with an average percentage of 42.03, 48.19, and 55.08 %, respectively. Cu was mainly observed in the B2 (reducible) fraction (40.53 %). Zn was mainly observed in the B1 (exchangeable/acid soluble/carbonate) fraction (36.01 %), resulting in medium or high risk associated with Zn in the sediments of SR, WR, and XR. Sedimentary heavy metal risk and bioavailability associated with regional urbanization and industrialization should be taken into consideration with respect to the health of aquatic ecosystems.
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