Table 2. Timing of thinning and final cutting according to tree species in each management zone. (unit : year)

Management zone	Type of harvest	C^a·K^b·S^c·B^d	L^e	R^f
A	Thinning	20, 40	20, 40	20
A	Final cutting	70	60	40
B	Thinning	20, 30, 40	20, 30, 40	20
B	Final cutting	60	50	30
C·D·E	Thinning	20, 40	20, 40	-
C·D·E	Final cutting	60	50	30

C : Other conifers.
K : Pinus koraiensis.
S : Strategic broad-leaved trees (Fraxinus rhynchophylla, Juglans mandshurica, Cornus controversa, Betula platyphylla, Fraxinus mandshurica).
B : Other broad-leaved trees.
L : Larix kaempferi.
R : Pinus rigida.