Ecological Environment Changes and their Attribution in Xinjiang from 2000 to 2020
Scientific assessment of ecological environmental quality is crucial for achieving regional eco-logical sustainability.However,the current changes in ecological environmental quality and its re-sponse patterns to climate change and human activities remain unclear.Understanding these patterns is of great significance for studying regional ecological environmental protection.This study utilizes the MODIS dataset from 2000 to 2020 on the Google Earth Engine(GEE)cloud platform to construct the Remote Sensing Ecological Index(RSEI)using principal component analysis.Methods such as Theil-Sen Median trend analysis,Mann-Kendall test,Hurst index,multiple regression residual a-nalysis,and partial correlation analysis are employed to explore the ecological environmental changes and their driving forces in Xinjiang over the past 21 years.The results showed that:(1)The impact of human activities on ecological environmental quality generally shows a decreasing trend,with the decreasing trend area accounting for 54.9％of the total area of Xinjiang.Moreover,the impact of hu-man activities on the future trend of ecological environmental quality in Xinjiang will be opposite to the past,showing an upward trend;(2)The mean partial correlation coefficients between temperature and precipitation with ecological environmental quality are-0.027 and 0.285,respectively.Precipita-tion has a higher correlation than temperature on a spatial scale,making it the primary influencing fac-tor affecting the ecological environmental quality in Xinjiang.
万方数据
维普
