Tree and shrub richness modifies subtropical tree productivity by regulating the diversity and community composition of soil bacteria and archaea

Table 1 Pearson correlation of bacterial and archaeal α-diversity with environmental variables

	Bacterial abundance		Archaeal abundance		Bacterial Chao1 index		Archaeal Chao1 index
	r	p	r	p	r	p	r	p
pH	-0.084	0.099	-0.017	0.742	-0.060	0.241	-0.033	0.523
SM	-0.006	0.900	-0.037	0.465	-0.010	0.850	-0.057	0.267
NH₄⁺	-0.040	0.434	0.048	0.351	-0.015	0.762	0.048	0.344
N0₃⁻	0.067	0.193	0.113	0.026	0.060	0.237	-0.085	0.096
N	-0.010	0.851	0.084	0.099	0.009	0.854	0.010	0.847
MBC	0.047	0.360	0.104	0.042	0.072	0.161	0.030	0.557
MBN	0.022	0.668	-0.012	0.811	0.003	0.947	-0.009	0.856
MBC/MBN	0.004	0.934	0.060	0.243	0.026	0.607	0.006	0.901
MBC/C_org	0.081	0.115	0.176	0.001	0.115	0.025	0.121	0.017
MBN/N_org	0.047	0.358	0.113	0.027	0.047	0.360	0.107	0.037
P	-0.052	0.309	-0.051	0.316	-0.065	0.203	-0.034	0.513
C	-0.125	0.014	-0.165	0.001	-0.142	0.005	-0.189	0.000
C:N	-0.002	0.976	0.137	0.007	0.025	0.631	0.059	0.252

SM, MBC, MBN, C and N respectively refers to soil moisture, microbial biomass C, microbial biomass N, soil organic C and N. Note: Bold indicates the significant values

ISSN: 2049-2618