Table 1. Percent contributions of the variables to teff distribution in the MaxEnt model.

Code	Environmental factor	Percent Contribution
		Unit	Current	RCP2.6	RCP4.5	RCP6.0	RCP8.5
BIO1	Annual mean temperature	°C
BIO2	Mean diurnal range (Monthly max. min. and mean temp.)	°C	0.23	0.6	0.2	0.5	0.40
BIO3	Isothermality (Bio2/Bio7 ×100)		1.11	1.3	0.9	1.3	0.81
BIO4	Temperature seasonality (standard deviation ×100)		1.33	0.8	0.5	0.45	0.44
BIO5	Maximum temperature of warmest month	°C
BIO6	Minimum temperature of coldest month	°C
BIO7	Temperature annual range (Bio5–Bio6)	°C	2.17	2.6	2.3	2.85	2.39
BIO8	Mean temperature of wettest quarter	°C
BIO9	Mean temperature of driest season	°C
BIO10	Mean temperature of warmest season	°C
BIO11	Mean temperature of coldest season	°C	78.3	79.7	80.4	78.5	77.8
BIO12	Annual precipitation	mm
BIO13	Precipitation of wettest period	mm
BIO14	Precipitation of driest period	mm	1.3	1.1	0.8	1.35	1.49
BIO15	Precipitation seasonality (CV)		8.3	7.3	7.8	7.76	9.04
BIO16	Precipitation of wettest season	mm	–	–	–	–	–
BIO17	Precipitation of driest season	mm
BIO18	Precipitation of warmest season	mm	0.2	0.2	0.1	0.14	0.03
BIO19	Precipitation of coldest season	mm	3.7	2.9	3.5	3.90	4.32
SLOP	Slope	°	3.3	3.2	3.5	3.09	3.10
ASP	Aspect	°	0.1	0.1	0.2	0.1	0.09

Notes.

The variables in bold were key variables selected by their contribution rates and multicollinearity test.

RCP, Representative Concentration Pathway.