Biodiversity conservation indexes mainly refer to the influencing factors maintaining regional biodiversity conservation. In this study,
three indexes habitat scarcity, vegetation coverage, and habitat quality have been selected to evaluate the ecological importance of the space maintaining biodiversity.
According to the equivalent quantum of biodiversity service for different land-use types and the protection grades of different regions, we developed a habitat scarcity index (HSI). The equation
for the habitat scarcity index (HSI) is as follows: