Figure 4. Co-occurrence networks of hub nodes at T0 (A), T1 (B) and T2 (C).
Spearman’s correlation coefficients (SCC) were calculated between different OTUs. Each node represents one OTU. The edge between two nodes represents significant correlations (| SCC| ≥0.6, p < 0.05). Red and gray edges indicate positive and negative correlations, respectively.