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Relative effectiveness index of PAs in China in alleviating urban land pressure under SSP scenarios.
| SSPs Scenario | Number of PAs | Index (Negative, %) | Index (Positive, %) | Relative Validity (Average) |
|---|---|---|---|---|
| SSP1 | 670 | 94.63 | 5.37 | 0.032 |
| SSP2 | 670 | 95.37 | 4.63 | 0.022 |
| SSP3 | 670 | 95.67 | 4.33 | 0.016 |
| SSP4 | 670 | 94.93 | 5.07 | 0.028 |
| SSP5 | 670 | 93.88 | 6.12 | 0.031 |
