TABLE 2.

Topological properties of empirical molecular ecological networks in comparison to random networks

Sampling time and group	Total no. of nodes	Empirical networksa									Random networksa,b
		Total no. of links	No. of positive links	avgK	avgCC	GD	Modularity	Nodes with maximum stress centrality	Nodes with maximum eigenvector centrality	Nodes with maximum betweenness	avgCC	GD
45 days
Control	232	564	408	4.862	0.382	8.274	0.766	OTU_115	OTU_12	OTU_115	0.056 ± 0.009	3.419 ± 0.044
Exposure	257	643	486	5.004	0.283	4.311	0.690	OTU_2	OTU_5	OTU_2	0.691 ± 0.008	1.526 ± 0.002
Recovery	179	311	255	3.475	0.285	6.335	0.740	OTU_59	OTU_3	OTU_59	0.033 ± 0.010	3.856 ± 0.083
75 days
Control	167	1,236	766	12.026	0.526	3.442	0.479	OTU_109	OTU_87	OTU_109	0.155 ± 0.010	2.748 ± 0.026
Exposure	304	1,828	1,681	14.802	0.471	4.896	0.174	OTU_145	OTU_131 OTU_323	OTU_123	0.227 ± 0.010	2.413 ± 0.026
Recovery	146	1,704	1,584	23.342	0.613	2.161	0.411	OTU_96	OTU_24	OTU_96	0.523 ± 0.015	2.166 ± 0.025

^aavgK, average connectivity; avgCC, average clustering coefficient; GD, average path distance.

^bValues are the mean ± standard deviation generated from networks randomly rewired 100 times.