Table 2.

Topological properties of co-occurrence/co-exclusion networks of sludge microbiomes collected from WWTPs

	Modularity	Clustering coefficient CC	Average path length APL	Network diameter ND	Average degree AD	Graph density GD
Whole network (68 nodes, 165 edges)	0.48	0.49	2.89	7.5	4.85	0.07
Corresponding random network	0.39 ± 0.015	0.07 ± 0.016	2.79 ± 0.039	5.56 ± 0.57	4.85	0.07
Positive network (53 nodes, 75 edges)	0.66	0.47	2.53	5.88	2.83	0.05
Corresponding random network	0.52 ± 0.024	0.05 ± 0.027	3.63 ± 0.193	8.12 ± 1.029	2.83	0.05
Negative network (56 nodes, 90 edges)	0.50	0	2.87	6.7	3.21	0.06
Corresponding random network	0.49 ± 0.021	0.06 ± 0.023	3.39 ± 0.123	7.44 ± 0.848	3.21	0.06