Table 1 Percent contribution, permutation importance and gain for the environmental variables included in the model.
Variable | Percent contribution | Permutation importance | Training gain without | Training gain with only |
|---|---|---|---|---|
Mean temperature of driest quarter (BIO9) | 28.3 (1) | 2.1 (10) | 99.8% (12) | 58.9% (2) |
Annual mean temperature (BIO1) | 21.1 (3) | 43.0 (1) | 94.9% (7) | 71.1% (1) |
Slope | 19.9 (2) | 5.5 (8) | 95% (1) | 34.4% (4) |
Temperature annual range (BIO7) | 9.3 (4) | 9.2 (5) | 97.9% (6) | 27.6% (7) |
Precipitation of wettest quarter (BIO16) | 7.3 (5) | 17.3 (2) | 96.4% (2) | 9.4% (12) |
Precipitation of warmest quarter (BIO18) | 7.0 (10) | 7.3 (3) | 98.4% (4) | 43.1% (3) |
Precipitation seasonality (BIO15) | 4.4 (7) | 11.4 (4) | 96.9% (5) | 16.1% (10) |
Isothermality (BIO3) | 2.7 (9) | 4.2 (7) | 97.2% (3) | 30.6% (5) |