Table 6.

Global co-occurrence network metrics for each core microbiota of the crop species and rhizosphere compartment

Niche	Crop species	Nodes	Clustering coefficient	Modularity	Positive edges (%)	Average degree	Average betweenness	Natural connectivity
Close	Barley	107	0.083	0.563	50	0.035	0.028	0.011
	Wheat	139	0.098	0.483	56	0.036	0.017	0.009
	Rye	77	0.119	0.608	52	0.036	0.048	0.015
	Oilseed rape	71	0.156	0.604	51	0.041	0.043	0.016
Distant	Barley	99	0.091	0.512	52	0.040	0.027	0.012
	Wheat	102	0.087	0.530	55	0.039	0.028	0.012
	Rye	61	0.133	0.645	51	0.040	0.054	0.018
	Oilseed rape	58	0.089	0.677	47	0.038	0.078	0.019