Table 4

Comparison of existing C sequestration projections.

Reference
Total C sequestration (Pg C yr-1)
Areal C sequestration (Mg C ha-1yr-1)
Period
Remarks

Global studies

This study (social potential)
0.12 – 0.17 0.68 – 1.33
0.9 – 1.3 0.8 – 1.3
2000–2050 2000–2100
Considering sequestration on abandoned agricultural land only
[10]
0.2–0.58

2008–2012

[22]
0.2 – 1

2000–2050
Conservative potential for 50-year period
[55]
0.3–2.9
0.8–1.6
2000–2075
Large variation due to different assumptions on yields
[61]
avg 1.04

1995–2095

[62]
0.15–0.8

2008–2012

[63]
0.6–1.2

2000–2050
Only in degraded land soils. Total potential is 30–60 Pg C.

Regional studies (Compared to Table 3)

[22]
0.02–0.05


Europe, a 100-year period
[23]

2–3.5

Average sequestration of tropical forests during an 80-year period
[55]



Only above-ground sequestration. soil decomposition fluxes excluded


0.6–1

Canada


0.5–11

USA (many studies summarized)


1.4–2.3

Western Europe


7.5–7.7

Australia
[64]
0.006

2010
EU25 countries

0.01

2020


0.02

2030

[65]
0.05 0.12

2100
EU15. only soils Wider Europe (excl. Russia). only soils
[66]

0.3–0.6

European forests during 2008–2012
[67]

0.35

North-west Russia
[68]

1.4
1999–2000
Canada
[69]
0.88
0.3
Current
Sink of all boreal and temperate forests

0.11
0.52

All European forests

0.43
0.48

All Russian forests

0.10
0.25

All Canadian forests

0.17
0.56

All US forests

van Minnen et al. Carbon Balance and Management 2008 3:3   doi:10.1186/1750-0680-3-3