Table 1.
Environmental factor definitions and their contribution rates
| Code | Environmental factors | Unit | Contribution rate (%) |
|---|---|---|---|
| Bio1 | Mean annual temperature | °C | |
| Bio2 | Mean diurnal range | °C | 5.5 |
| Bio3 | Temperature constancy | – | 15.8 |
| Bio4 | Temperature seasonality (standard deviation *100) | – | 38.7 |
| Bio5 | Max temperature of warmest month | °C | |
| Bio6 | Min temperature of coldest month | °C | |
| Bio7 | Temperature annual range (Bio5‐Bio6) | °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 | |
| Bio13 | Precipitation of wettest month | mm | |
| Bio14 | Precipitation of driest month | mm | 3.7 |
| Bio15 | Precipitation seasonality (Coefficient of variation) | – | 27.7 |
| Bio16 | Precipitation of wettest quarter | mm | |
| Bio17 | Precipitation of driest quarter | mm | |
| Bio18 | Precipitation of warmest quarter | mm | |
| Bio19 | Precipitation of coldest quarter | mm | |
| Altitude | Altitude | m | 7.9 |
| HII | Human Influence Index | – | 0.7 |