Table 6 Statistics of ecological divisions of Hohhot City in 2000–2020.
Quadrant | Partition | Area/km2 | Proportion/% | ||||
|---|---|---|---|---|---|---|---|
2000 | 2010 | 2020 | 2000 | 2010 | 2020 | ||
I | High ecosystem service-high ecological risk regions | 13.30 | 0.38 | 4.94 | 0.08 | 0.002 | 0.03 |
II | Low ecosystem service-high ecological risk regions | 4280.57 | 3980.43 | 4067.81 | 24.88 | 23.13 | 23.64 |
III | Low ecosystem service-low ecological risk regions | 5773.66 | 5894.09 | 5911.57 | 33.55 | 34.25 | 34.36 |
IV | High ecosystem service-low ecological risk regions | 7139.09 | 7331.71 | 7222.3 | 41.49 | 42.61 | 41.97 |
