Table 6.
The influence factors of land use efficiency. Y means it’s selected to be the factor of land use efficiency, N means it’s removed due to its larger variance inflation factor (VIF).
| Index | Description | Remark |
|---|---|---|
| DEM | Digital Elevation Model | Y |
| DMSP/OLS | Defense Meteorological Satellite Program/Operational Linescan System | Y |
| NDVI | Normalized Difference Vegetation Index | Y |
| PGDP | per capita GDP | Y |
| PS | the second industrial added value accounting for the proportion of GDP | Y |
| PF | investment in fixed assets accounting for the proportion of GDP | Y |
| OT | exports accounting for the proportion of GDP | Y |
| UR | urbanization rate | N |