Table 2.

Mantel test between ITS2 OTUs and functional genes of C and N cycling with environment factors

Environment factors	ITS2 OTUs		Functional genes
	r	p	r	p
Plant diversity	0.168	0.076	0.314	0.018
Soil organic carbon	0.244	0.025	−0.001	0.405
Total nitrogen	0.385	0.001	0.048	0.322
Total phosphorus	0.149	0.108	0.061	0.302
pH	0.570	0.001	−0.047	0.597
Moisture	0.407	0.001	−0.008	0.459
Soil temperature of 10 cm depth	0.639	0.001	0.340	0.005