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Spatial Distribution of Toxic Metal(loid)s and Microbial Community Analysis in Soil Vertical Profile at an Abandoned Nonferrous Metal Smelting Site

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  • Jiejie Yang

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China
    Authors contribute equally to present work.)

  • Siqi Wang

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China
    Authors contribute equally to present work.)

  • Ziwen Guo

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Yan Deng

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Menglong Xu

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Siyuan Zhang

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Huaqun Yin

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Yili Liang

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Hongwei Liu

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Bo Miao

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Delong Meng

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Xueduan Liu

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

  • Luhua Jiang

    (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
    Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China)

Abstract

In this study soils at different depths were collected in a Zn smelting site located in Zhuzhou City, China, in order to understand toxic metal(loid)s distribution and microbial community in vertical soil profile at a smelting site. Except Soil properties and metal(loid)s content, the richness and diversity of microbial communities in soil samples were analyzed via high-throughput Illumina sequencing of 16s rRNA gene amplicons. The results showed that the content of As, Pb, Cu, Cd, Zn, and Mn was relatively high in top soil in comparison to subsoil, while the concentration of Cr in subsoil was comparable with that in top soil due to its relative high background value in this soil layer. The bioavailability of Cd, Mn, Zn, and Pb was relative higher than that of As, Cr, and Cu. The diversity of soil microbial communities decreased with increasing depth, which might be ascribed to the decrease in evenness with increase in depth duo to the influence by environmental conditions, such as pH, TK (total potassium), CEC (cation exchange capacity), ORP (oxidation reduction potential), and Bio-Cu (bioavailable copper). The results also found Acidobacteria , Proteobacteria , Firmicutes , and Chloroflexi were dominant phyla in soil samples. At the genus level, Acinetobacter , Pseudomonas , and Gp7 were dominant soil microorganism. Besides, Environmental factors, such as SOM (soil organic matter), pH, Bio-Cu, Bio-Cd (bioavailable cadmium), and Bio-Pb (bioavailable lead), greatly impacted microbial community in surface soil (1–3 m), while ORP, TK, and AN concentration influenced microbial community in the subsoil (4–10 m).

Suggested Citation

  • Jiejie Yang & Siqi Wang & Ziwen Guo & Yan Deng & Menglong Xu & Siyuan Zhang & Huaqun Yin & Yili Liang & Hongwei Liu & Bo Miao & Delong Meng & Xueduan Liu & Luhua Jiang, 2020. "Spatial Distribution of Toxic Metal(loid)s and Microbial Community Analysis in Soil Vertical Profile at an Abandoned Nonferrous Metal Smelting Site," IJERPH, MDPI, vol. 17(19), pages 1-17, September.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:19:p:7101-:d:420808
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    References listed on IDEAS

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    1. Tiankui Li & Yi Liu & Sijie Lin & Yangze Liu & Yunfeng Xie, 2019. "Soil Pollution Management in China: A Brief Introduction," Sustainability, MDPI, vol. 11(3), pages 1-15, January.
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    1. Zhichao Jiang & Xiyuan Xiao & Zhaohui Guo & Yunxia Zhang & Xiaoxiao Huang, 2023. "Impact of Vanadium-Containing Stone Coal Smelting on Trace Metals in an Agricultural Soil–Vegetable System: Accumulation, Transfer, and Health Risks," IJERPH, MDPI, vol. 20(3), pages 1-16, January.
    2. Akhtar, Shahzad & Khan, Zafar Iqbal & Ahmad, Kafeel & Nadeem, Muhammad & Ejaz, Abid & Hussain, Muhammad Iftikhar & Ashraf, Muhammad Arslan, 2022. "Assessment of lead toxicity in diverse irrigation regimes and potential health implications of agriculturally grown crops in Pakistan," Agricultural Water Management, Elsevier, vol. 271(C).
    3. Shu-chun Tseng & Chih-ming Liang & Taipau Chia & Shan-shin Ton, 2021. "Changes in the Composition of the Soil Bacterial Community in Heavy Metal-Contaminated Farmland," IJERPH, MDPI, vol. 18(16), pages 1-15, August.
    4. Xiaoxian Zhang & Tingran Liu & Jichen Zhang & Ling Zhu, 2023. "Potential Mechanism of Long-Term Immobilization of Pb/Cd by Layered Double Hydroxide Doped Chicken-Manure Biochar," IJERPH, MDPI, vol. 20(1), pages 1-16, January.

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