Molecular ecological network analyses

BMC Bioinformatics

Table 4 The partial Mantel tests on connectivity vs. the OTU significances of soil geochemical variables and soil temperature in warming pyrosquencing molecular ecological network

Phylogeny	# nodes	GS of soil geochemistry^apartialGS of temperature		GS of temperature partialGS of soil geochemistry
Phylogeny	# nodes	r_M^b	P^c	r_M	P
All detected OTUs	177	0.104	0.018	0.159	0.003
Acidobacteria	35	0.059	0.234	−0.054	0.800
Actinobacteria	63	−0.033	0.650	0.077	0.135
Chloroflexi	5	−0.339	0.663	0.367	0.108
Planctomycetacia	6	−0.082	0.521	−0.202	0.788
α-Proteobacteria	26	−0.057	0.721	0.096	0.155
β-Proteobacteria	12	0.590	0.013	−0.001	0.430
δ-Proteobacteria	6	0.338	0.088	−0.298	0.877
γ-Proteobacteria	4	0.030	0.772	0.796	0.243
Verrucomiobia	5	0.926	0.013	−0.755	1.000

^aSoil variables used for OTU significance calculations: pH values, NO₃-Nitrogen and soil carbon contents.
^bCorrelation coefficient based on Mantel test.
^cThe significance (probability) of Mantel test.

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