Table 1. Envrionmental factors of A. koreana forest in Mt. Jirisan and Mt. Hallasan.

District
Environmental factor Mt. Jirisan Mt. HallasaN
Altitude (m) 1,285.7±2.6 1,652.4±5.1
Aspect (°) 295.8±9.3 322.4±31.5
Slope degree (°) 5.7±1.8 6.2±3.4
Bare rock (%) 34.0±26.8 54.6±29.8
Bare soil (%) 7.5±2.5 8.4±3.2
Litter layer (cm) 3.3±1.9 1.6±1.2
Coverage of tree layer (%) 69.0±14.1 -
Coverage of subtree layer (%) 33.0±13.6 38.6±21.9
Coverage of shrub layer (%) 38.0±17.9 68.8±14.9
Coverage of herb layer (%) 63.0±11.0 48.5±22.0
Height of tree layer (m) 18.6±2.1 -
Height of subtree layer (m) 11.1±1.2 5.2±0.8
Height of shrub layer (m) 4.0±1.3 1.6±0.5
Height of herb layer (m) 0.6±0.2 0.5±0.2
DBH of tree layer (cm) 31.7±4.1 -
DBH of subtree layer (cm) 17.4±4.5 14.6±3.9
DBH of shrub layer (cm) 4.7±3.7 3.2±1.3