Table 1 Environmental and socioeconomic correlates
Factor | Parameter | Data source |
|---|---|---|
Ecological | Normalized difference vegetation index (NDVI) | Global Inventory Modelling and Mapping Studies (GIMMS) group |
Land cover | European Space Agency (ESA) | |
Climatic | Annual cumulative precipitation (mm) | China Meteorological Data Service Center (CMDC) |
Mean temperature (°C) | ||
Relative humidity (%) | ||
Terrain | Elevation (m) | Shuttle Radar Topography Mission (SRTM) |
Socioeconomic | Urban accessibility (hour) | European Commission Joint Research Center (ECJRC) |
Night-time light | Earth Observation Group, National Oceanic and Atmospheric Administration (NOAA) |