Long-Term Impact Evaluation of Ground-Base Skidding on Residual Damaged Trees in the Hyrcanian Forest, Iran

Table 8

Distribution of damaged trees based on distance from centerline of the skid trail.

Age lass	1–5 yr			5–10 yr			10–15 yr			15–20 yr			**DC%
Traffic intensity	*L	*M	*H	L	M	H	L	M	H	L	M	H
DC1	2	1	14	0	0	2	6	16	12	2	4	9	39.31 [a]
DC2	10	7	4	7	9	6	7	6	5	2	0	2	37.57 [b]
DC3	3	5	3	3	5	7	0	0	0	9	2	3	23.12 [c]