Table 2.

The description and contribution weight of eleven selected climatic variables.

Variable	Description	Contribution rate	Jackknife test result
Bio1	Annual Mean Temperature	10.2	0.8
Bio2	Mean Diurnal Range (Mean of monthly (Max Temp - Min Temp))	0.2	0.17
Bio3	Isothermality (BIO2/BIO7) (×100)	7.4	0.47
Bio5	Max Temperature of Warmest Month	3.1	0.63
Bio7	Temperature Annual Range (Max Temp of Warmest Month - Min Temp of Coldest Month)	1.9	0.13
Bio8	Mean Temperature of Wettest Quarter	0.2	0.45
Bio9	Mean Temperature of Driest Quarter	0.4	0.63
Bio12	Annual Precipitation	37.4	0.79
Bio15	Precipitation Seasonality (Coefficient of Variation)	0.9	0.48
Bio17	Precipitation of Driest Quarter	38.1	0.83
Bio18	Precipitation of Warmest Quarter	0.2	0.67