Table 1. Descriptive statistics on for Chamaecyparis obtusa stand data to derive stand density management standards

Variable	Unit	Mean	S.D.
No. plots	plots	216
Stand density	trees・ha−1	1401.7	640.0
Mean DBH	cm	18.7	5.2
Mean height	m	14.0	3.6
Mean DBH of dominant trees	cm	22.2	6.3
Mean height of dominant trees	m	15.6	3.8
Mean HD ratio of dominant trees	%	72.6	17.9
Basal area	m2・ha−1	37.5	18.7
Stand volume	m3・ha−1	268.1	188.0