Table 2.
Spearman’s correlation (r) between the resistance indices of microbial attributes and soil physicochemical properties with significant levels at ∗∗p < 0.01, ∗p < 0.05.
| Resistance index | DOC | SWC | NO3- | NH4+ | NNR | NMR |
|---|---|---|---|---|---|---|
| Archaeal amoA | 0.27 | -0.19 | -0.004 | 0.28 | -0.13 | -0.02 |
| nirK | 0.51∗∗ | -0.49∗ | -0.03 | -0.16 | -0.05 | 0.04 |
| nirS | 0.23 | -0.36 | -0.34 | -0.12 | 0.05 | 0.001 |
| nosZ | 0.35 | -0.37∗ | -0.27 | -0.15 | 0.06 | 0.002 |
| MBC | 0.12 | -0.38∗ | -0.03 | -0.25 | 0.00 | -0.05 |
DOC, dissolve organic carbon (mg C kg-1); MBC, microbial biomass carbon (mg C kg-1); NNR, net nitrification rate (mg N kg-1 month-1); NMR, net N mineralization rate (mg N kg-1 month-1).