Table 3.
Influence and contribution of different land use/land cover (LULC) types to the total NPP from 2001 to 2020.
| LULC Type | Factors | 2001–2010 | 2010–2020 | ||
|---|---|---|---|---|---|
| Influence Quantity/Tg C | Contribution Rate/% | Influence Quantity/Tg C | Contribution Rate/% | ||
| Cultivated land | LUCC | −0.36 | 2.38 | −0.21 | 8.69 |
| Climate change | 14.46 | 96.99 | 2.19 | 91.03 | |
| Woodland | LUCC | 0.07 | 0.64 | 2.77 | 55.97 |
| Climate change | 11.02 | 99.24 | 2.10 | 42.47 | |
| Grassland | LUCC | −135.88 | 0.59 | −227.89 | 4.21 |
| Climate change | 22,940.71 | 99.21 | −5165.52 | 95.54 | |
| Unused land | LUCC | −2.99 | 0.35 | −94.17 | 15.15 |
| Climate change | 851.48 | 99.56 | −516.04 | 83.01 | |