Appendix 5 - Table
5.5Average belowground to aboveground biomass ratio (root-shoot ratio, R)
in natural regeneration by broad category (tonnes dry matter/tonne dry
matter)
Source: IPCC Good Practice Guidance for LULUCF – Table 3A.1.8
|
|
|
Vegetation type
|
Aboveground biomass (t/ha)
|
Mean
|
SD
|
lower range
|
upper range
|
|
|
Secondary tropical/sub-tropical forest
|
<125
|
0.42
|
0.22
|
0.14
|
0.83
|
Primary tropical/sub-tropical moist forest
|
NS
|
0.24
|
0.03
|
0.22
|
0.33
|
Tropical/sub-tropical dry forest
|
NS
|
0.27
|
0.01
|
0.27
|
0.28
|
|
|
Conifer forest/plantation
|
<50
|
0.46
|
0.21
|
0.21
|
1.06
|
Conifer forest/plantation
|
50-150
|
0.32
|
0.08
|
0.24
|
0.50
|
Conifer forest/plantation
|
>150
|
0.23
|
0.09
|
0.12
|
0.49
|
|
|
Oak forest
|
>70
|
0.35
|
0.25
|
0.20
|
1.16
|
Eucalypt plantation
|
<50
|
0.45
|
0.15
|
0.29
|
0.81
|
Eucalypt plantation
|
50-150
|
0.35
|
0.23
|
0.15
|
0.81
|
Eucalypt forest/plantation
|
>150
|
0.20
|
0.08
|
0.10
|
0.33
|
Other broadleaf forest
|
<75
|
0.43
|
0.24
|
0.12
|
0.93
|
Other broadleaf forest
|
75-150
|
0.26
|
0.10
|
0.13
|
0.52
|
Other broadleaf forest
|
>150
|
0.24
|
0.05
|
0.17
|
0.30
|
|
|
Steppe/tundra/prairie grassland
|
NS
|
3.95
|
2.97
|
1.92
|
10.51
|
Temperate/sub-tropical/ tropical grassland
|
NS
|
1.58
|
1.02
|
0.59
|
3.11
|
Semi-arid grassland
|
NS
|
2.80
|
1.33
|
1.43
|
4.92
|
|
|
Woodland/savanna
|
NS
|
0.48
|
0.19
|
0.26
|
1.01
|
Shrubland
|
NS
|
2.83
|
2.04
|
0.34
|
6.49
|
Tidal marsh
|
NS
|
1.04
|
0.21
|
0.74
|
1.23
|
NS = Not specified
|
