Table 3. Correlations between soil properties, climatic characteristics, mycorrhizal colonization of H. vulgare and PCA axes.
| Variable | PC1 | PC2 | PC3 |
|---|---|---|---|
| pH | -0.49* | 0.13 | -0.06 |
| Salinity | 0.16 | 0.15 | 0.54* |
| OC | 0.50* | 0.01 | 0.53* |
| ON | 0.69*** | 0.35 | 0.05 |
| P | 0.24 | 0.14 | -0.57** |
| CaCO3 | 0.57** | 0.13 | 0.58** |
| SCC | -0.04 | -0.85*** | 0.20 |
| SSC | -0.37(.) | 0.61** | -0.43(.) |
| SMC | 0.45(.) | -0.03 | 0.27 |
| AAR | 0.85*** | -0.07 | -0.05 |
| M | -0.68*** | -0.13 | 0.21 |
| m | -0.86*** | -0.30 | -0.06 |
| Z | 0.85*** | 0.36(.) | -0.10 |
| MC | -0.71*** | 0.39(.) | 0.48* |
| Arb | -0.71*** | 0.38(.) | 0.47* |
| Ves | -0.22 | 0.65*** | 0.03 |
Significance level: ‘.’correlation is significant at P < 0.05.
‘*’correlation is significant at P < 0.01.
‘**’correlation is significant at P < 0.001.
‘***’correlation is significant at P < 0.0001.