Table 2. Summary statistics of density measures, mortality, DBH growth and HD ratio for species in this study.

Species	Statistics	Maximum stand density indexb) (trees/ha)	Stand density index (trees/ha)	Relative density	Mortality (trees/ha)	Mean DBH growth (cm/year)	Height-diameter (HD) ratio (%)
Pinus densiflora (na)=380)	Mean	1041	640	0.61	7	0.6	59.8
	Std. Dev.		261	0.25	21	0.4	8.6
	Minimum		161	0.26	0	0.1	41.7
	Maximum		1597	1.53	175	1.5	95.3
Pinus koraiensis (n=414)	Mean	1089	660	0.61	6	0.6	63.4
	Std. Dev.		243	0.26	22	0.2	8.9
	Minimum		248	0.23	0	0.1	40.9
	Maximum		1756	1.61	295	1.4	87.8
Larix kaempferi (n=484)	Mean	1005	588	0.59	11	0.4	89.3
	Std. Dev.		190	0.19	32	0.5	11.9
	Minimum		128	0.13	0	0.1	58.7
	Maximum		1158	1.15	257	1.1	130.0

n is the number of observations at plot level.
The maximum stand density index is referenced from Lee and Choi (2019).