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Effects of Seven-Year Fertilization Reclamation on Bacterial Community in a Coal Mining Subsidence Area in Shanxi, China

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  • Li Li

    (College of Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China
    National Experimental Teaching Demonstration Center for Agricultural Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China)

  • Tingliang Li

    (College of Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China
    National Experimental Teaching Demonstration Center for Agricultural Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China)

  • Huisheng Meng

    (College of Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China
    National Experimental Teaching Demonstration Center for Agricultural Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China)

  • Yinghe Xie

    (College of Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China
    National Experimental Teaching Demonstration Center for Agricultural Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China)

  • Jie Zhang

    (College of Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China
    National Experimental Teaching Demonstration Center for Agricultural Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China)

  • Jianping Hong

    (College of Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China
    National Experimental Teaching Demonstration Center for Agricultural Resources and Environment, Shanxi Agricultural University, Jinzhong 030801, China)

Abstract

The restoration of soil fertility and microbial communities is the key to the soil reclamation and ecological reconstruction in coal mine subsidence areas. However, the response of soil bacterial communities to reclamation is still not well understood. Here, we studied the bacterial communities in fertilizer-reclaimed soil (CK, without fertilizer; CF, chemical fertilizer; M, manure) in the Lu’an reclamation mining region and compared them with those in adjacent subsidence soil (SU) and farmland soil (FA). We found that the compositions of dominant phyla in the reclaimed soil differed greatly from those in the subsidence soil and farmland soil ( p < 0.05). The related sequences of Acidobacteria , Chloroflexi , and Nitrospirae were mainly from the subsided soil, whereas those of Alphaproteobacteria , Planctomycetes , and Deltaproteobacteria were mainly derived from the farmland soil. Fertilization affected the bacterial community composition in the reclaimed soil, and bacteria richness and diversity increased significantly with the accumulation of soil nutrients after 7 years of reclamation ( p < 0.05). Moreover, soil properties, especially SOM and pH, were found to play a key role in the restoration of the bacterial community in the reclaimed soil. The results are helpful to the study of soil fertility improvement and ecological restoration in mining areas.

Suggested Citation

  • Li Li & Tingliang Li & Huisheng Meng & Yinghe Xie & Jie Zhang & Jianping Hong, 2021. "Effects of Seven-Year Fertilization Reclamation on Bacterial Community in a Coal Mining Subsidence Area in Shanxi, China," IJERPH, MDPI, vol. 18(23), pages 1-16, November.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:23:p:12504-:d:689622
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    References listed on IDEAS

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    1. Yuejuan Chen & Jin Zhang & Anchao Zhou & Bo Yin, 2018. "Modeling and analysis of mining subsidence disaster chains based on stochastic Petri nets," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 92(1), pages 19-41, May.
    2. Zhanjun Xu & Yuan Zhang & Jason Yang & Fenwu Liu & Rutian Bi & Hongfen Zhu & Chunjuan Lv & Jian Yu, 2019. "Effect of Underground Coal Mining on the Regional Soil Organic Carbon Pool in Farmland in a Mining Subsidence Area," Sustainability, MDPI, vol. 11(18), pages 1-19, September.
    3. Kang Ma & Yuxiu Zhang & Mengying Ruan & Jing Guo & Tuanyao Chai, 2019. "Land Subsidence in a Coal Mining Area Reduced Soil Fertility and Led to Soil Degradation in Arid and Semi-Arid Regions," IJERPH, MDPI, vol. 16(20), pages 1-14, October.
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    Cited by:

    1. Ya Shao & Qinxue Xu & Xi Wei, 2023. "Progress of Mine Land Reclamation and Ecological Restoration Research Based on Bibliometric Analysis," Sustainability, MDPI, vol. 15(13), pages 1-19, July.

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