Table 3 Topological properties of the networks of microbial communities in the bulk soil, rhizosphere, and endosphere.
Network Indices | Bulk soil | Rhizosphere | Endosphere |
|---|---|---|---|
Empirical network | |||
Commonly present OTU No. (n > 12) | 1619 | 1633 | 160 |
Total nodes | 652 | 564 | 117 |
Total links | 1026 | 1335 | 183 |
Similarity threshold (St) | 0.83 | 0.86 | 0.62 |
R square of power-law | 0.875 | 0.746 | 0.745 |
Average degree (avgK) | 3.147 | 4.734 | 3.128 |
Average clustering coefficient (avgCC) | 0.112 | 0.142 | 0.202 |
Average path distance (GD) | 7.847 | 6.968 | 6.931 |
Harmonic geodesic distance (HD) | 5.975 | 5.639 | 4.973 |
Density (D) | 0.005 | 0.008 | 0.027 |
Number of modules | 84 | 56 | 10 |
Modularity | 0.787 | 0.856 | 0.752 |
Random network | |||
Average clustering coefficient (avgCC) | 0.008 | 0.013 | 0.03 |
Average path distance (GD) | 4.83 | 4.018 | 4.074 |
