Fig. 4From: Bioconversion of coal to methane by microbial communities from soil and from an opencast mine in the Xilingol grassland of northeast ChinaNetwork-like Venn diagrams of shared and unique genera in three habitats (a) and the distribution at order level of shared or unique genera in three habitats; the shared genera between covering soil and surrounding soil (b), the shared genera between soil and coal (c), and the unique genera in coal (d)Back to article page