highly significantp < 0.01
The results of correlation analysis (Table 3 ) showed that all ecological factors showed a highly significant correlation with the traditional RSEI and MODIS RSEI indexes ( p < 0.01), and the direction of action was in line with the theoretical expectations: (1) The greenness indicator (NDVI and SAVI) and humidity indicator (WET and SWCI) were positively correlated with RSEI and MODIS RSEI, indicating tha