Table 1 Environmental variables (variables marked x are those that we selected for our modelling approach)
Code | Variables | Units | VIF values | Selected |
|---|---|---|---|---|
Bio1 | Annual Mean Temperature | °C | ||
Bio2 | Mean Diurnal Range [Mean of monthly (max temp – min temp)] | °C | 5.28 | x |
Bio3 | Isothermality (P2/P7)*(100) | - | 2.68 | x |
Bio4 | Temperature Seasonality (standard deviation*100) | C of V | ||
Bio5 | Max Temperature of Warmest Month | °C | ||
Bio6 | Min Temperature of Coldest Month | °C | 6.67 | x |
Bio7 | Temperature Annual Range (P5-P6) | °C | ||
Bio8 | Mean Temperature of Wettest Quarter | °C | ||
Bio9 | Mean Temperature of Driest Quarter | °C | ||
Bio10 | Mean Temperature of Warmest Quarter | °C | ||
Bio11 | Mean Temperature of Coldest Quarter | °C | ||
Bio12 | Annual Precipitation | mm | 6.16 | x |
Bio13 | Precipitation of Wettest Month | mm | ||
Bio14 | Precipitation of Driest Month | mm | ||
Bio15 | Precipitation of Seasonality (Coefficient of Variation) | - | 4.20 | x |
Bio16 | Precipitation of Wettest Quarter | mm | ||
Bio17 | Precipitation of Driest Quarter | mm | ||
Bio18 | Precipitation of Warmest Quarter | mm | 1.80 | x |
Bio19 | Precipitation of Coldest Quarter | mm | 1.59 | x |
aspect | Aspect | degree | 1.35 | x |
elev | Elevation | m | 8.83 | x |
Land cover | Land cover | - | 1.36 | x |
slope | Slope | % | 1.31 | x |
Solar rad | Solar radiation | - | 3.61 | x |