Table 2 The forest condition and descriptive statistics.

From: Estimating above-ground biomass of subtropical forest using airborne LiDAR in Hong Kong

Forest type

Subtropical mixed young forest

Age

20–30 years

Diameter range (cm)

1–57 (mean: 25.5, standard deviation (S.D.): 23.8)

Number of stems

20,888

Stem density (per m2)

2.1/m2

Species composition

63

Tree-to-shrub ratio (%)

48:52

Topography

Gently flat, from 218 to 257 m above sea level (a.s.l.)