Table 3 Forest age classification (years) for forest cover types in the Zijin Mountain National Forest Park in Jiangsu Province, China
Forest type | Young forest | Middle aged forest | Near mature forest | Mature forest | Over matured forest |
|---|---|---|---|---|---|
Locust | ≤ 10 | 11–20 | 21–30 | 31–50 | > 50 |
Oak | ≤ 20 | 21–40 | 41–50 | 51–70 | > 70 |
Formosan gum | ≤ 10 | 11–20 | 21–30 | 31–50 | > 50 |
Masson pine | ≤ 10 | 11–20 | 21–30 | 31–50 | > 50 |
Mixed conifers | ≤ 10 | 11–20 | 21–30 | 31–50 | > 50 |
Mixed broadleaves | ≤ 20 | 21–40 | 41–50 | 51–70 | > 70 |
Mixed (mixed Conifers and broadleaves) | ≤ 10 | 11–20 | 21–30 | 31–50 | > 50 |