Evaluation Period (Year)	Evaluation index			Evaluation level	Expanding Adaptability A_e
Evaluation Period (Year)	SR	A_l	V	Evaluation level	Expanding Adaptability A_e
1966-1995	0.9183	0.9519	0.0081	Moderate adaptation	0.0002
1971-2000	0.9248	0.9551	0.0073	Moderate adaptation	0.0001
1976-2005	0.9162	0.9499	0.0078	Moderate adaptation	0.0006
1981-2010	0.9040	0.9377	0.0086	Moderate adaptation	0.0022
1986-2015	0.9011	0.9042	0.0094	Moderate adaptation	0.0039