基于土地利用的怒江傈僳族自治州生境质量时空变化研究OA

In order to explore the spatial and temporal changes of habitat quality in Nujiang Lisu Autonomous Prefecture(hereinafter referred to as Nujiang Prefecture)during the 30-year period from 1990 to 2020,and to provide relevant references for ecological protection and restoration in Nujiang Prefecture,this study analyzed the spatial and temporal changes of land use/cover and habitat quality in the study area based on the monitoring data of land use/cover changes in 1990,2000,2010 and 2020,using GIS and InVEST modeling techniques.The results showed that:The main land use/cover types in Nujiang Prefecture are forest land and grassland.The spatial distribution characteristics of habitat quality in Nujiang Prefecture are relatively stable and the distribution rules are obvious.The habitat quality levels in Nujiang Prefecture are mainly good and good,and the area and proportion of each level are generally stable.Based on the above results,it is concluded that in the past 30 years,the habitat quality in Nujiang Prefecture has generally shown a stable and improving trend;areas with relatively poor habitat quality in Nujiang Prefecture are highly coincident with cultivated land and impermeable surfaces.