Appendix 5 - Table 5.7 Default values for litter carbon stocks of mature forests (tonnes C ha^-1)

Average values and range

Source: IPCC Good Practice Guidance for LULUCF – Table 3.2.1

Climate

Forest Type

Broadleaf

Deciduous

Needleleaf

Evergreen

Boreal, dry

25 (10-58)

31 (6-86)

Boreal, moist

39 (11-117)

55 (7-123)

Cold temperate, dry

28 (23-33)^a

27 (17-42) ^a

Cold temperate, moist

16 (5-31) ^a

26 (10-48) ^a

Warm temperate, dry

28.2 (23.4-33.0)^a

20.3 (17.3-21.1)^a

Warm temperate, moist

13 (2-31) ^a

22 (6-42)^a

Subtropical

2.8 (2-3)

4.1

Tropical

2.1 (1-3)

5.2

Source: Siltanen et al., 1997; and Smith and Heath, 2002; Tremblay et al., 2002; and Vogt et al.,1996, converted from mass to carbon by multiplying by conversion factor of 0.37 (Smith and Heath, 2002).

Note: Ages follow Smith and Heath (2002).

^a Values in parentheses marked by superscript “a” are the 5^th and 95^th percentiles from simulations of inventory plots, while those without superscript “a” indicate the entire range.