| 类别 |
级别差 |
级面积/km2 |
类面积/km2 |
类比例% |
| 变好 |
−4 |
0.007 |
306.890 |
35.6 |
| −3 |
8.954 |
|
|
|
| −2 |
43.394 |
|
|
|
| −1 |
254.535 |
|
|
|
| 不变 |
0 |
425.588 |
425.588 |
49.4 |
| 变差 |
1 |
94.246 |
129.284 |
15.0 |
| 2 |
27.052 |
|
|
|
| 3 |
7.415 |
|
|
|
| 4 |
0.571 |
|
|