Table 5 Proportion and area of ecological vulnerability grades and the changes in Libo-Huanjiang WHS
Vulnerability level | 2014 | 2018 | 2022 | 2014–2018 | 2018–2022 | 2014–2022 |
|---|---|---|---|---|---|---|
I | 16.4259% | 11.7950% | 3.0063% | −4.6309% | −8.7887% | −13.4196% |
II | 51.9236% | 42.1659% | 42.5726% | −9.7577% | 0.4067% | −9.3510% |
III | 28.2729% | 32.6030% | 39.0456% | 4.3300% | 6.4426% | 10.7726% |
IV | 3.0172% | 8.2508% | 9.8959% | 5.2336% | 1.6451% | 6.8787% |
V | 0.3604% | 5.1853% | 5.4797% | 4.8249% | 0.2944% | 5.1193% |