Table 4. Current status of measurement factors.

Species	Content	DBH (cm)	Height (m)	Crown-EW (m)	Crown-NS (m)
Pinus densiflora	Average	31.6	17.0	5.6	5.7
	Maximum	61.4	28.2	12.1	13.1
	Minimum	8.5	4.3	1.1	0.9
Pinus koraiensis	Average	27.8	16.9	5.0	5.0
	Maximum	63.5	29.4	12.6	12.8
	Minimum	6.8	3.8	0.3	0.6
Larix kaempferi	Average	26.4	22.4	4.7	4.9
	Maximum	60.8	36.4	13.2	11.5
	Minimum	9.5	7.7	0.8	0.9