TABLE 2.

Significance test of dissimilarity of soil bacterial communities associated with 10 years of CO₂ treatment and 1 year of N treatment^a

Data set	NPMANOVA		ANOSIM		MRPP
	F	P	R	P	δ	P
Sequencing	0.815	0.970	−0.33	0.988	0.788	0.969
DGGE	0.735	0.779	−0.139	0.836	0.192	0.821

^aNPMANOVA, nonparametric multivariate ANOVA; ANOSIM, analysis of similarities; MRPP, multiresponse permutation procedure.