| Bacterial community composition | Microbial functional composition | C-decomposition genes composition | |||
---|---|---|---|---|---|---|
R | P | r | P | r | P | |
Soil total N content | − 0.118 | 0.837 | − 0.048 | 0.663 | 0.079 | 0.218 |
Soil total organic carbon content | 0.146 | 0.123 | 0.159 | 0.102 | 0.168 | 0.086 |
Soil NH4+-N content | 0.138 | 0.048 | 0.201 | 0.003 | 0.222 | 0.005 |
Soil NO3−-N content | 0.201 | 0.052 | 0.073 | 0.201 | 0.156 | 0.064 |
Soil pH | 0.075 | 0.274 | 0.253 | 0.028 | 0.292 | 0.010 |
Aboveground plant biomass | − 0.058 | 0.743 | − 0.058 | 0.755 | − 0.053 | 0.742 |
Belowground plant biomass | 0.131 | 0.122 | 0.240 | 0.010 | 0.255 | 0.008 |