|
Mean Net Primary Production by Ecosystem
|
Vegetation type
|
Mean Net Primary Production
[g/(sq m x yr)]
|
Tropical rain forest
|
2200
|
Tropical seasonal
forest
|
1600
|
Temperate evergreen
forest
|
1300
|
Temperate deciduous
forest
|
1200
|
Boreal forest
|
800
|
Savanna
|
900
|
Temperate grassland
|
600
|
Tundra
|
140
|
Cultivated land
|
650
|
Algal beds and reefs
|
2500
|
Estuaries
|
1500
|
|