highly significantP ≤ 0.001
and Nitrosomonadaceae were highly significant ( P ≤ 0.001); Acidobacteria, Nocardioides, and Roseiflexaceae were significantly different ( P ≤ 0.01); and Pyrinomonadaceae, Gemmatimonadaceae, Actinobacteria, and Chloroflexi were also significantly different ( P ≤ 0.05).