The NDVI of different types of land use in 2000 and 2015 (P-N: the average pixel value of the NDVI)
| Types of land use | Value | 2000 | 2015 | (%) |
|---|---|---|---|---|
| Cultivated land | NDVI | 0.50 | 0.61 | 18.03 |
| Area (km2) | 221,934 | 216,276 | –2.62 | |
| Forest land | NDVI | 0.67 | 0.77 | 12.99 |
| Area (km2) | 108,011 | 110,725 | 2.45 | |
| Grassland | NDVI | 0.47 | 0.52 | 9.62 |
| Area (km2) | 385,683 | 382,577 | −0.81 | |
| Water | NDVI | 0.39 | 0.45 | 13.33 |
| Area (km2) | 13,855 | 14,588 | 5.02 | |
| Construction land | NDVI | 0.51 | 0.49 | –4.08 |
| Area (km2) | 19,309 | 25,059 | 22.95 | |
| Unutilized land | NDVI | 0.31 | 0.31 | 0.00 |
| Area (km2) | 73,285 | 72,852 | –0.59 |
| Types of land use | Value | 2000 | 2015 | (%) |
|---|---|---|---|---|
| Cultivated land | NDVI | 0.50 | 0.61 | 18.03 |
| Area (km2) | 221,934 | 216,276 | –2.62 | |
| Forest land | NDVI | 0.67 | 0.77 | 12.99 |
| Area (km2) | 108,011 | 110,725 | 2.45 | |
| Grassland | NDVI | 0.47 | 0.52 | 9.62 |
| Area (km2) | 385,683 | 382,577 | −0.81 | |
| Water | NDVI | 0.39 | 0.45 | 13.33 |
| Area (km2) | 13,855 | 14,588 | 5.02 | |
| Construction land | NDVI | 0.51 | 0.49 | –4.08 |
| Area (km2) | 19,309 | 25,059 | 22.95 | |
| Unutilized land | NDVI | 0.31 | 0.31 | 0.00 |
| Area (km2) | 73,285 | 72,852 | –0.59 |
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