|
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|
| 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
|
|