Ecosystem

t/C/hectare/year

Tundra

0.1 - 0.3

European forests

0.4 - 0.6

Tropical South American Rainforest

0.71 ± 0.3

Amazon

1.02 ± 0.24

USA forest woodlands

1.4

Various temperate forests

2.5

Successional temperate deciduous forests of the USA

3.7 ± 0.3

Pine forests of USA

3.78 ± 0.16

Natural rubber plantations

7.82