Table 2. Area of each of five land-use and land cover types for the entire study region in two periods and the relative change in area between the two periods.
| |
| |
|
Period |
Unit of measure |
Cropland |
Grassland |
Forest and afforestation |
Water bodies |
Miscellaneous |
| |
|
1985–1989 |
km² |
49348.6 |
151320.3 |
15033.9 |
7384.6 |
1294.6 |
|
% |
22.0 |
67.4 |
6.7 |
3.3 |
0.6 |
|
2002–2004 |
km² |
58057.6 |
137817.9 |
19402.5 |
8675.5 |
415.7 |
|
% |
25.9 |
61.4 |
8.6 |
3.9 |
0.2 |
|
Relative change |
% |
17.6 |
−8.9 |
29.1 |
17.5 |
−67.9 |
|
| |
Note: The relative change was calculated as Δ relative = 100 × ( Yfinal − Yinitial)/ Yinitial, where Y is the area of the land-use and land cover type.
|