Eco-environmental effects and differentiation mechanism of land use transition in the agro-pastoral belt in Inner Mongolia:A perspective of pro-duction-living-ecological spaces
The ecological environment of agro-pastoral belt is usually fragile.Exploring the ecological environmental effect of land use transition is conducive to improving the ecological environment and promoting sustainable urban development in those areas.Based on remote sensing data and ArcGIS spatial analysis technology,we analyze the ecological and environmental effects of land use transition and the drivers of spatial differentiation in the agro-pastoral belt of Inner Mongolia by using transfer matrix,ecological environment quality index,ecological contribution rate and geographic detector model.The results show that:1)From 2000 to 2020,the land use transformation based on the dominant function of production-living-ecological spaces in Inner Mongolia's agro-pastoral belt is mainly manifested as the reduction of production space,the stability of ecological space and the expansion of living space.2)From 2000 to 2020,the ecological environment of the agro-pastoral belt in Inner Mongolia experienced a changing process as firstly deteriorating and then improving,with the quality index of each period being 0.582,0.580 and 0.583,respectively.The mainly types of conversion that lead to the improvement and deterioration of ecological environment quality were the conversion among cultivated land,unused land and grassland.3)The proportion of cultivated land area is the core factor for the differentiation of eco-environmental quality,whereas the slope,topographic relief and rainfall are the key factors.The interaction between these factors is mainly characterized by double factor and nonlinear enhancement.4)It is suggested that,in Inner Mongolia,the protection of ecological security barrier should be strengthened,while the grain for green project be promoted,and the construction of natural protection system be accelerated with national parks as the main body.
production-living-ecological spacesagro-pastoral beltland use transformationeco-environmental qualitydifferentiation mechanism
NETL
NSTL
万方数据
