Table 4 Description of the diameter at breast height (DBH, cm) and height (m) of the sampled trees.
Sites | Mature trees | Juvenile trees | ||
---|---|---|---|---|
DBH | Height | DBH | Height | |
Pinggu, Beijing | 17.48 ± 2.48 | 9.17 ± 2.11 | 3.86 ± 2.40 | 4.64 ± 1.67 |
Lincheng, Hebei | 19.98 ± 3.69 | 10.79 ± 1.80 | 5.38 ± 0.37 | 5.48 ± 1.57 |
Jiyuan, Henan | 18.08 ± 1.69 | 9.99 ± 0.99 | 5.34 ± 0.13 | 4.74 ± 2.22 |
Neixiang, Henan | 17.84 ± 1.54 | 11.09 ± 1.25 | 4.80 ± 0.56 | 5.33 ± 1.71 |
Zigui, Hubei | 18.10 ± 1.92 | 11.27 ± 1.32 | 5.25 ± 0.71 | 5.58 ± 1.86 |
Cili, Hunan | 15.42 ± 3.45 | 9.35 ± 0.94 | 5.21 ± 0.20 | 5.98 ± 2.30 |
Chengbu, Hunan | 17.56 ± 2.81 | 9.20 ± 1.60 | 5.36 ± 0.04 | 4.98 ± 1.20 |