35
Table 2.1 Standing stocks of biomass and soil organic carbon (SOC) in different biomes
Biome
Area (10
12
km
2
)
Biomass C (kg C m
–2
)
SOC (top 1 m;
kg C m
–2
)
SOC/Biomass C References
Aboveground Belowground Total
Forest
Boreal forest
12
3.63
1.16
4.79
9.3
1.9
Jackson et al. (1996),
Jobbàgy and Jackson
(2000)
Temperate deciduous forest
7
7.30
1.68
8.98 17.4
1.9
Temperate evergreen forest
5
9.78
1.76
11.54 14.5
1.3
Tropical deciduous forest
7.5
4.82
1.64
6.46 15.8
2.4
Tropical evergreen forest
17
10.32
1.96
12.28 18.6
1.5
Grassland
Tundra
8
0.07
0.48
0.55
14.2
25.7
Jackson et al. (1996),
Jobbàgy and Jackson
(2000)
Sclerophyllous shrubs
8.5
1.60
1.92
3.52
8.9
2.5
Temperate grassland
9
0.15
0.56
0.71
11.7
16.4
Tropical grassland and savanna 15
0.80
0.56
1.36
13.2
9.7
Coastal wetland
Mangrove
0.14
–
–
14.75 32.0
2.2
Siikamäki et al. (2012)
Salt marsh
0.051
–
–
0.33
39.3
119.2
Seagrass meadows
0.32
–
–
0.18
7.0
38.9
Indonesian mangroves
–
19.10
2.10
21.20 76.1
3.6
Alongi et al. (2016)
Indonesian seagrass meadows
–
0.03
0.12
0.16
13.0
83.9