Table 1 Contribution rate and important value of dominant environmental variables
Labels | Variables | Percent contribution | Permutation importance |
|---|---|---|---|
Bio01 | Annual mean temperature (°C) | 61.3 | 58.1 |
Bio16 | Precipitation of wettest quarter (mm) | 14.0 | 6.8 |
Bio15 | Precipitation seasonality (coefficient of variation) | 9.4 | 19.7 |
Alt | Altitude (m) | 6.5 | 1.3 |
Bio17 | Precipitation of driest quarter (mm) | 3.6 | 11.5 |
Bio03 | Isothermality (BIO2/BIO7) (×100) | 2.9 | 0.1 |
Bio02 | Monthly diurnal range (°C) | 2.3 | 2.5 |