立木级 Stand class

现存个体数(株) No. of standing individual

百分比% Percentage

I~II (D ≤ 2.5 cm)

2130

90.18

III (2.5 cm ≤ D ≤ 7.5 cm)

23

0.97

IV (7.5 cm ≤ D ≤ 22.5 cm)

54

2.29

V (D ≥ 22.5 cm)

39

1.65