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Open AccessArticle

Cracks Reinforce the Interactions among Soil Bacterial Communities in the Coal Mining Area of Loess Plateau, China

by Zhanbin Luo 1,2,†, Jing Ma 3,†, Fu Chen 1,3,*, Xiaoxiao Li 1, Huping Hou 1 and Shaoliang Zhang 1
1
School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221008, China
2
College of Resources and Environment, Northwest A&F University, Yangling 712100, China
3
Low Carbon Energy Institute, China University of Mining and Technology, Xuzhou 221008, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Int. J. Environ. Res. Public Health 2019, 16(24), 4892; https://doi.org/10.3390/ijerph16244892
Received: 23 September 2019 / Revised: 28 November 2019 / Accepted: 2 December 2019 / Published: 4 December 2019
(This article belongs to the Special Issue Microorganisms in the Environment)
Soil microorganisms play a key role in global biogeochemical changes. To understand the interactions among soil bacterial communities and their responses to extreme environments, the soil properties and bacterial community diversity were determined in the post-mining ecosystem of the Loess Plateau, China. The results showed that the soil temperature, pH, organic matter, available phosphorus, and available potassium values were significantly reduced in the post-mining cracks area. However, the richness and uniformity of soil bacterial communities increased by about 50% in the post-mining cracks area. Soil microbial community structure and the network interactions tended to be complex and strengthened in the post-mining cracks area. Moreover, soil nutrient loss caused the differences in soil bacterial community structure compositions in the post-mining cracks area. Furthermore, the relationships between soil physicochemical properties and different modules of the soil bacterial molecular ecological network were changed in a complex manner in the post-mining cracks area. This study provides a theoretical basis for adaptive management and response to cracks in post-mining areas and under other extreme conditions. View Full-Text
Keywords: soil bacterial community; molecular ecological network; coal mining; Loess Plateau soil bacterial community; molecular ecological network; coal mining; Loess Plateau
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Luo, Z.; Ma, J.; Chen, F.; Li, X.; Hou, H.; Zhang, S. Cracks Reinforce the Interactions among Soil Bacterial Communities in the Coal Mining Area of Loess Plateau, China. Int. J. Environ. Res. Public Health 2019, 16, 4892.

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