Table 2.

Topological features of the co-occurrence networks constructed based on bacteria and fungi.

Kingdom	Tree species	Edges	Nodes	Clustering coefficient	Avg. path length	Density	Mean degree	Avg. number neighbors
Bacteria/archaea	J. nigra	9,218	464	0.51	2.44	0.085	0.315	39.56
	Q. rubra	7,324	551	0.41	2.64	0.048	0.382	26.57
	DB	16,252	551	0.55	2.39	0.094	0.245	54.93
Fungi	J. nigra	72	54	0.21	4.28	0.023	0.560	2.00
	Q. rubra	58	55	0.15	5.03	0.028	0.746	1.63
	DB	375	74	0.24	1.98	0.083	0.275	7.81