extremely significantP < 0.001
The differences in abundance among Bacteroidetes, Firmicutes, Chloroflexi, Gemmatimonadetes, Proteobacteria, Actinobacteria, and Acidobacteria were extremely significant ( P < 0.001) at the phylum level ( Figure 2F ), while at the genus level, the abundance differences among Pseudomonas , Ralstonia , Lechevalieria , Rhodanobacter , Rhodococcus , Bacillus , and Flavobacterium were extremely significant ( P < 0.001).