Table 5. Variable assessment(t-test) for coniferous forest change model.

Rank	Class	Variables	Non-change	Change	t.value	t.p_value
1	Disturbance	CON100	70.1	54.7	10.159	0.000
2	Forest stand	AGE	3.8	3.5	7.009	0.000
3	Forest stand	DENSITY	66.6	60.9	4.291	0.000
4	Topography	ASPECT	8.5	2.3	2.142	0.032
5	Climate	PRCP	1,408.6	1,442.2	−1.848	0.065
6	Disturbance	NF100	13.3	15.2	−1.729	0.084
7	Topography	TWI	8.6	8.6	−0.534	0.594
8	Climate	TAVG	11.6	11.6	−0.168	0.867
9	Topography	SLOPE	26.9	26.8	0.096	0.923
10	Disturbance	ROAD	388.2	387.3	0.021	0.983