Table 5. Substitute species for national default factors and carbon conversion factors.

Major species	Substitute species	Major species	Substitute species
Torreya nucifera (L.) Siebold & Zucc.	Pinus thunbergii Parl.	Castanea crenata Siebold & Zucc.	Quercus mongolica
Abies holophylla Maxim.	Larix kaempferi (Lamb.) Carriere	iriodendron tulipifera L.
Zelkova serrata (Thunb.) Makino	Quercus acutissima	Prunus sargentii Rehder
Fraxinus mandshurica Rupr.		Quercus spp.
Robinia pseudoacacia L.		Populus spp.
Alnus japonica (Thunb.) Steud.		Juglans regia L.