Table 5.
Major topological features of the molecular ecological networks of bacterial communities in CK, Y10, Y20, and Y40.
| Network index | CK | Y10 | Y20 | Y40 | |
|---|---|---|---|---|---|
| Empirical networks | Similarity threshold | 0.970 | 0.960 | 0.960 | 0.960 |
| Total nodes | 699 | 878 | 808 | 913 | |
| Total links | 2544 | 2455 | 2000 | 3680 | |
| R2 of power law | 0.818 | 0.915 | 0.913 | 0.839 | |
| Positive links (%) | 80.03 | 70.96 | 67.25 | 73.80 | |
| Average connectivity | 7.279 | 5.592 | 4.950 | 8.061 | |
| Average path distance | 5.949 | 6.238 | 5.838 | 5.167 | |
| Harmonic geodesic distance | 4.125 | 4.992 | 4.711 | 3.787 | |
| Average clustering coefficient | 0.197 | 0.245 | 0.249 | 0.182 | |
| Modularity (no. of modules) | 0.553 (64) | 0.696 (90) | 0.633 (100) | 0.487 (114) |