extremely significantp < 0.01
IBI showed an extremely significant correlation with Fr ( p < 0.01), while SI showed an unstable correlation with Fr, namely sometimes significant, sometimes extremely significant, and sometimes insignificant.
IBI showed an extremely significant correlation with Fr ( p < 0.01), while SI showed an unstable correlation with Fr, namely sometimes significant, sometimes extremely significant, and sometimes insignificant.
The total of NDVI and WET contributed more than 70% ( p < 0.01, highly significant); in particular, in 2005 and 2020, they contributed more than 90%.
The results showed the following: (1) RSEI in Yunnan karst rocky desertification areas generally showed a decreasing trend, with a fluctuation in the mid-term, followed by a tendency to recover.