Fig. 6From: Deep sequencing reveals changes in prokaryotic taxonomy and functional diversity of pit muds in different distilleries of ChinaSpearman’s correlation between the main bacteria in pit mud samples (a) and between bacteria and COG functional categories (b). Procrustes analysis of the correlation between microbial community and functional profiles (c). Significant differences are illustrated with **P < 0.01 and *0.01 ≤ P < 0.05Back to article page