Widespread distributed pure carbonate rock is the basis on which stony desertification formed while relief and vegetation retrogression process can also promote desertification.
广泛分布的纯碳酸岩是形成石漠化的基础，地貌植被退化过程也可促进石漠化。
2
The dynamics of accumulatively appeared family, genus, and species in the vegetation succession process were well described by logarithmic function.
植被演替过程中累积出现的植物科属种数的动态变化可以用对数函数进行较好地描述。
3
Grassland desertification is also a process of comprehensive degradation of vegetation, soil and environment.