| Ecosystem types | Year2000 | Year 2010 | Year 2020 | |||
| NPP per unit area/g C∙m−2∙a−1 | Total NPP/104t | NPP per unit area/g C∙m−2∙a−1 | Total NPP/104t | NPP per unit area/g C∙m−2∙a−1 | Total NPP/104t | |
| Forest | 438.13 | 4.77 | 469.68 | 7.31 | 536.38 | 7.48 |
| Grassland | 431.17 | 1.72 | 440.13 | 0.72 | 498.95 | 0.62 |
| Farmland | 416.99 | 5.55 | 418.32 | 3.38 | 468.42 | 2.97 |
| Wetland | 396.95 | 0.54 | 375.61 | 0.49 | 435.16 | 0.71 |
| Total |
| 12.58 |
| 11.90 |
| 11.78 |