Table 5. Country specific factors and carbon factors for two species for carbon stock calculation in Korea (GIR, 2021).

Species	Basic wood density(g/cm3)	Biomass expension factor	Root to shoot ratio	Carbon fraction
Cryptomeria japonica	0.35	1.31	0.23	0.51
Chamaecyparis obtusa	0.43	1.34	0.20	0.51