Table 1.

Score matrix of current key environmental factors screened by ENFA analysis.

EFs	F1	F2	F3	F4	F5	F6	F7	F8
	62%	24%	5%	5%	2%	1%	1%	1%
Bio1	0.16	0.62	−0.52	0.09	0.21	0.06	−0.04	0.47
Bio2	−0.28	−0.10	−0.23	0.28	0.12	0.04	0.07	0.02
Bio3	0.38	0.08	0.11	−0.10	−0.05	−0.03	−0.01	−0.01
Bio4	−0.47	0.41	−0.13	0.12	−0.35	0.56	−0.42	−0.35
Bio7	−0.48	0.09	0.47	−0.71	−0.25	−0.07	−0.17	−0.08
Bio10	−0.06	−0.64	0.13	0.27	0.39	−0.53	0.54	0.14
Bio11	0.32	0.05	0.49	−0.55	−0.78	0.63	−0.70	−0.80
Bio12	0.28	0.06	0.30	−0.07	0.01	0.01	−0.04	0.00
Bio15	−0.07	−0.04	0.13	−0.05	0.00	0.00	−0.01	0.01
Bio16	0.33	0.00	−0.24	0.06	0.01	0.01	0.05	−0.02
Bio17	−0.02	−0.09	−0.04	−0.04	−0.01	−0.01	0.02	0.02

EF = environmental factors, F = ecological niche factors identified by ENFA analysis. Marginality = 1.43, speciality = 7.12, tolerance = 0.14.