Table 1 Environmental variables selected for modeling.
Variables | Description | Period & Time Interval | Resolution | Source |
|---|---|---|---|---|
Bio1 | Annual mean temperature | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio2 | Mean diurnal temperature range | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio3 | Isothermality (Bio2/Bio7)(×100) | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio4 | Temperature seasonality (standard deviation × 100) | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio5 | Maximum temperature of warmest month | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio6 | Minimum temperature of coldest month | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio7 | Temperature annual range | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio8 | Mean temperature of wettest quarter | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio9 | Mean temperature of driest quarter | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio10 | Mean temperature of warmest quarter | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio11 | Mean temperature of coldest quarter | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio12 | Annual precipitation | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio13 | Precipitation of wettest month | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio14 | Precipitation of driest month | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio15 | Precipitation seasonality (Coefficient of Variation) | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio16 | Precipitation of wettest quarter | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio17 | Precipitation of driest quarter | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio18 | Precipitation of warmest quarter | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Bio19 | Precipitation of coldest quarter | Historical, 30 years mean (1970–2000); Future, 20 years mean (2021–2100) | 1/12° | WorldClim |
Elevation | Altitude above sea level (Topographic Position) | Constant | 1/12° | WorldClim |
Slope | Rate of elevation change across space (Terrain Steepness) | Constant | 1/12° | Calculated |
NDVI | Normalized Difference Vegetation Index | Historical, 18 years mean (1982–2000) | 1/12° | PKU |