Table 1. Descriptive statistics of Cryptomeria japonica and Chamaecyparis obtusa stands (mean ± standard error).

Species	Category	Plot	DBH (cm)	Height (m)	Age class	Stand density (n/ha)
Cryptomeria japonica	6th NFI	61	22.29 ± 0.64	13.29 ± 0.35	IV   III  − VI	1,494.06 ± 90.29
	7th NFI	61	25.41 ± 0.37	14.72 ± 0.30	V   III  − VI	1,446.11 ± 93.24
Chamaecyparis obtusa	6th NFI	56	18.49 ± 0.96	11.61 ± 0.46	III   I  − V	1,241.52 ± 94.49
	7th NFI	56	22.18 ± 0.81	13.05 ± 0.42	IV   I  − V	1,285.49 ± 74.35