Figure 3
From: Tuning up microbiome analysis to monitor WWTPs’ biological reactors functioning

Composition, functional correlations and multidimensional ordination based on core ASVs in the activated sludge samples. (a) Taxonomic composition of core ASVs at phylum level and class level. Proteobacteria group is divided in inferior taxonomic levels. (b) Spearman’s rank correlation coefficient between core ASVs, at family level assignation, and physical-chemical factors. Only core families and physical-chemical parameters with at least one significative correlation are shown. (c) Beta diversity of core community based on a non-metric multidimensional scaling analysis (NMDS, stress = 0.152).