Research Article
Long-Term Impact Evaluation of Ground-Base Skidding on Residual Damaged Trees in the Hyrcanian Forest, Iran
Table 6
Distribution of damaged trees based on severity of damage.
| | 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 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 2 | 3 | 8.67 [c] | | DC2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 2.89 [d] | | DC3 | 12 | 13 | 21 | 6 | 6 | 11 | 5 | 11 | 8 | 6 | 2 | 6 | 61.85 [d] | | DC4 | 2 | 0 | 0 | 3 | 7 | 3 | 7 | 9 | 7 | 3 | 2 | 3 | 26.59 [b] |
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