Table 2 Percentage percent contribution and permutation importance of environment variables.
Variable | Description | Percent contribution(%) | Permutation importance (%) | Units |
---|---|---|---|---|
bio_18 | Precipitation of Warmest Quarter | 60.5 | 26.8 | mm |
bio_4 | Temperature Seasonality | 19.2 | 34.6 | ℃ |
t_clay | Topsoil clay content | 4.5 | 1.7 | % weight |
bio_14 | Precipitation of Driest Month | 3.7 | 4 | mm |
awc_class | Soil available water content | 2.3 | 2.5 | 1 |
s_oc | Substrate soil organic carbon | 2.2 | 1.2 | % weight |
bio_15 | Precipitation Seasonality | 2.1 | 1.1 | mm |
bio_2 | Mean Diurnal Range | 2 | 10.7 | 1 |
bio_11 | Mean Temperature of Coldest Quarter | 1.3 | 4.6 | ℃ |
slope | Slope | 0.9 | 1 | ° |
t_caco3 | Carbonate or lime content | 0.4 | 0.3 | % |
elev | Elevation | 0.3 | 2.7 | m |
aspect | Aspect | 0.2 | 0.5 | ° |
t_oc | Topsoil organic carbon | 0.2 | 1.6 | % weight |
bio_5 | Max Temperature of Warmest Month | 0.2 | 6.8 | ℃ |
t_sand | Capacity of the wind | 0.1 | 0.1 | % |