Journal
CHEMOSPHERE
Volume 269, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2020.128777
Keywords
Fushun western opencast mine; Microbial community structure and diversity; High-throughput sequencing; Surrounding rock soil; Correlation analysis; PICRUSt
Categories
Funding
- National Key Research and Development Plan Subject for Monitoring, Early Warning and Prevention of Major Natural Disasters of China [2017YFC1503105]
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Understanding the correlation between the physicochemical properties of different surrounding rock soil and microbial communities in Fushun western opencast mining is crucial for ecological restoration after mine closure. This study collected soil samples from different areas and explored the effects of soil physicochemical properties on microbial communities. The results showed significant differences in microbial communities influenced by different surrounding rock soils, providing scientific insights for coal mining and microbial-mediated rock mineralization.
It is importance to understand the correlation between the physicochemical properties of different surrounding rock soil and microbial communities in Fushun western opencast mining for the ecological restoration of land after mine closure. In this study, two layers of soil samples were collected from four different areas in Fushun western opencast mining: coal gangue area (CGA), green mudstone area (GMA), oil shale area (OSA) and mixed area (MA). Then, the effects of different surrounding rock soil physicochemical properties on the microbial communities were explored using the High-throughput sequencing technique. A wide diversity of taxonomical groups were present in four soil cores, and many were correlated with soil physicochemical properties. The obvious differences in microbial communities between different areas showed the influence of different surrounding rock soil on the microbial communities were significant. Redundancy analysis and the network diagram confirmed that soil physicochemical properties pH (Pondus Hydrogenii)-AN (Available Nitrogen)-EC (Electronic Conductivity)-WC (Water Content)-TK (Total Nitrogen), Cd (Cadmium)-Ni (Nickel) had great influence on the microbial communities. Therefore, this study can provide scientific judgments for the different surrounding rock soil physicochemical properties in coal mining, microbial-mediated rock mineralization and biogeochemical cycles. (C) 2020 Published by Elsevier Ltd.
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