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Variation in the Soil Microbial Community of Reclaimed Land over Different Reclamation Periods

Author

Listed:
  • Huping Hou

    (School of Environment Science & Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Chen Wang

    (School of Environment Science & Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Zhongyi Ding

    (School of Environment Science & Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Shaoliang Zhang

    (School of Environment Science & Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Yongjun Yang

    (School of Environment Science & Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Jing Ma

    (Low Carbon Energy Institute, China University of Mining and Technology, Xuzhou 221116, China)

  • Fu Chen

    (Low Carbon Energy Institute, China University of Mining and Technology, Xuzhou 221116, China)

  • Jinrong Li

    (School of Environment Science & Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

Abstract

Improvement of soil quality after land reclamation is a key concern in mining areas. However, the characteristics and internal mechanisms of variation of bacterial community structure over different reclamation periods are currently unclear. The recovery and evolution of soil microbial community structure are important indicators of the level of soil quality improvement of reclaimed soil. Therefore, this study investigated soil samples from coal gangue-filled land after reclamation periods of 1, 6, and 15 years. To accomplish this, 16S rRNA gene libraries were produced to determine the microbial community composition of the soils. In addition, various soil microbial community characteristics in the filled reclamation areas were compared with soil samples from areas unaffected by coal mining. The results showed the following: (1) The diversity and abundance of bacterial communities in reclaimed soils was slightly different from that of natural soils. However, the soil bacterial community structure was highly similar to natural soil after a 15-year reclamation period; therefore, the recovery of bacterial communities can be used as an indicator of the effects of rehabilitation. (2) Some soil physicochemical properties are significantly correlated with the main bacteria in the soil. (3) The dominant bacteria included members of the phyla Firmicutes and Proteobacteria, as well as members of the genera Bacillus , Enterococcus , and Lactococcus . Taken together, the results of this study indicated that the application of microbial remediation technology can be used to adjust the soil microbial community structure, improve soil quality, and shorten the soil recovery period.

Suggested Citation

  • Huping Hou & Chen Wang & Zhongyi Ding & Shaoliang Zhang & Yongjun Yang & Jing Ma & Fu Chen & Jinrong Li, 2018. "Variation in the Soil Microbial Community of Reclaimed Land over Different Reclamation Periods," Sustainability, MDPI, vol. 10(7), pages 1-17, July.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:7:p:2286-:d:155798
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    References listed on IDEAS

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    1. Lima, Ana T. & Mitchell, Kristen & O’Connell, David W. & Verhoeven, Jos & Van Cappellen, Philippe, 2016. "The legacy of surface mining: Remediation, restoration, reclamation and rehabilitation," Environmental Science & Policy, Elsevier, vol. 66(C), pages 227-233.
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    Cited by:

    1. Guan, Yanjun & Wang, Juan & Zhou, Wei & Bai, Zhongke & Cao, Yingui, 2023. "Delimiting supervision zones to inform the revision of land reclamation management modes in coal mining areas: A perspective from the succession characteristics of rehabilitated vegetation," Land Use Policy, Elsevier, vol. 131(C).
    2. Zhanbin Luo & Jing Ma & Fu Chen & Xiaoxiao Li & Huping Hou & Shaoliang Zhang, 2019. "Cracks Reinforce the Interactions among Soil Bacterial Communities in the Coal Mining Area of Loess Plateau, China," IJERPH, MDPI, vol. 16(24), pages 1-18, December.
    3. Xin Xu & Qianru Chen & Zhenhong Zhu, 2022. "Evolutionary Overview of Land Consolidation Based on Bibliometric Analysis in Web of Science from 2000 to 2020," IJERPH, MDPI, vol. 19(6), pages 1-19, March.
    4. Dong Zhao & Huping Hou & Haiya Liu & Chen Wang & Zhongyi Ding & Jinting Xiong, 2023. "Microbial Community Structure and Predictive Functional Analysis in Reclaimed Soil with Different Vegetation Types: The Example of the Xiaoyi Mine Waste Dump in Shanxi," Land, MDPI, vol. 12(2), pages 1-14, February.

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