Table 3. Treatments for natural regeneration in Gapyeong and Bonghwa experimental sites.

Methods	Gapyeong		Bonghwa
	treatment	area (ha)	treatment	area (ha)
Seed tree	remained 20 trees ha-1 (Uniform)	0.40	remained 20 trees ha-1 (Uniform)	0.49
	remained 20 trees ha-1 (Group of three)	0.78	remained 20 trees ha-1 (Group of three)	0.43
Reserved tree	remained 40 trees ha-1	0.35	remained 50 trees ha-1	0.46
Strip cutting	cutting width 30 m	0.47	cutting width 15 m, 30 m	0.47
Patch cutting	-	-	cutting width 20 m, 30 m, 40 m	0.23
Control	non-treatment	0.40	non-treatment	0.40