TABLE 2.

Pearson correlations of community dissimilarity between the top- and subsoils with environmental variables^a

Variable	Pearson correlation
	Bacteria		Archaea
	Bray-Curtis dissimilarity	Weighted UniFrac dissimilarity	Bray-Curtis dissimilarity	Weighted UniFrac dissimilarity
Historical temperature anomaly	−0.03	−0.22	0.59***	0.42*
Contemporary climate	−0.07	−0.31	0.80***	0.78***
Vegetation	−0.03	−0.29	0.77***	0.78***
Soil fertility difference	−0.36*	−0.53*	0.39*	0.44*
Soil pH difference	−0.16	−0.13	−0.01	0.08
Soil mineral difference	0.02	−0.06	0.17	0.15

^aThe one, two, and three asterisks after values in bold indicate significant correlations at a P level of <0.05, <0.01, and <0.001, respectively.