Table 1 Proportion of variation explained by groups of predictor variables and the impact of their removal on the explanatory power of the final model.
ENSO-associated climate anomalies | Background climate | Soil characteristics | Adjusted R² | Drop in R² compared to full model | Change in AIC compared to full model |
|---|---|---|---|---|---|
√ | √ | √ | 25% | - | - |
|  | √ | √ | 24% | 1% | +28 |
√ |  | √ | 14% | 11% | +270 |
√ | √ |  | 19% | 6% | +165 |
√ |  |  | 2% | 23% | +553 |
|  | √ |  | 17% | 8% | +215 |
|  |  | √ | 12% | 13% | +319 |
