Table 4 Area and carbon stock of different land types from 2000 to 2020.
Year | Index | Cultivated land | Woodland | Grassland | Waters | Construction land | Unutilized land |
|---|---|---|---|---|---|---|---|
2000 | Area (km2) | 19,309.20 (60.08%) | 8923.89 (27.77%) | 27.60 (0.09%) | 2753.68 (8.57%) | 1107.07 (3.44%) | 15.57 (0.05%) |
Carbon stock (Tg) | 227.37 | 200.34 | 0.39 | 21.78 | 5.31 | 0.05 | |
2005 | Area (km2) | 18,932.67 (58.91%) | 9271.81 (28.85%) | 28.73 (0.09%) | 2597.46 (8.08%) | 1296.98 (4.04%) | 9.36 (0.03%) |
Carbon stock (Tg) | 222.93 | 208.15 | 0.41 | 20.54 | 6.23 | 0.03 | |
2010 | Area (km2) | 18,233.95 (56.74%) | 9461.69 (29.44%) | 29.19 (0.09%) | 2727.55 (8.49%) | 1679.93 (5.23%) | 4.70 (0.01%) |
Carbon stock (Tg) | 214.7 | 212.41 | 0.42 | 21.57 | 8.06 | 0.02 | |
2015 | Area (km2) | 17,431.97 (54.24%) | 9823.61 (30.57%) | 16.55 (0.05%) | 2833.47 (8.82%) | 2028.51 (6.31%) | 2.90 (0.01%) |
Carbon stock (Tg) | 205.26 | 220.54 | 0.24 | 22.41 | 9.72 | 0.01 | |
2020 | Area (km2) | 17,460.85 (54.33%) | 9663.52 (30.07%) | 8.61 (0.03%) | 2619.28 (8.15%) | 2381.98 (7.41%) | 2.77 (0.01%) |
Carbon stock (Tg) | 205.6 | 216.94 | 0.12 | 20.72 | 11.42 | 0.01 | |
Average carbon stock contribution rate | 47.11% | 46.34% | 0.07% | 4.69% | 1.78% | 0.01% | |
