Effects of underground coal mining disturbance on bacterial community diversity and its assembly processes.

The α-diversity and NMDS analysis of bacterial community The shannon index and richness index of the total bacterial community increased ( Fig 2A , P < 0.05) with distance from the mining area and reached a maximum at distance H5, while the simpson index showed a trend of increasing and then decreasing, and then reached a maximum at distance H2 (P < 0.05), and was higher than that of H0, although it decreased at distances H3 and H5.

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There was an increasing trend in rare α-diversity indices with increasing distance from the mining area.

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