Table 2.
Spearman correlation between the abundance of the representative indicator ribotype selected for the multifunctional classes identified in this study and soil biological, physical and chemical variables (see Table 1)
| Variables | Selected multifunctional indicators | |||
|---|---|---|---|---|
| Class I OTU 2465 (Legionellales) | Class II OTU 1984 (Opitutales) | Class II OTU 398 (Rhodospirillales) | Class IV OTU 3283 (Myxococcales) | |
| H2 | 0.34 (0.24) | 0.03 (0.92) | 0.25 (0.38) | −0.67 (0.009) |
| CO | 0.05 (0.88) | −0.41 (0.15) | 0.01 (0.98) | −0.53 (0.053) |
| CO2 | 0.14 (0.64) | 0.16 (0.60) | 0.49 (0.08) | −0.77 (0.001) |
| Bacteria abundance | −0.11 (0.70) | 0.30 (0.29) | 0.68 (0.007) | −0.46 (0.101) |
| C | −0.46 (0.10) | 0.22 (0.44) | 0.21 (0.47) | −0.59 (0.026) |
| N | −0.36 (0.21) | 0.30 (0.29) | 0.21 (0.47) | −0.62 (0.017) |
| C/N | −0.46 (0.10) | −0.45 (0.11) | 0.40 (0.16) | −0.10 (0.74) |
| pH | 0.13 (0.65) | −0.02 (0.95) | −0.73 (0.003) | 0.61 (0.020) |
| Sand | 0.43 (0.12) | 0.44 (0.11) | 0.06 (0.84) | −0.72 (0.003) |
| Clay | −0.07 (0.80) | −0.44 (0.12) | 0.81 (0.0005) | −0.13 (0.65) |
| Silt | −0.39 (0.16) | −0.38 (0.19) | −0.21 (0.47) | 0.77 (0.001) |
Spearman rho correlation coefficients are presented with the significance levels (α‐value) in brackets. Bold characters represent significant correlation.