Evolution trend and driving force analysis of vegetation coverage in Junggar mining area
Vegetation coverage is an important index reflecting the dynamic change of ecological environment in min-ing area.Research on the evolution trend and driving forces of vegetation coverage in Junggar mining area is of great meaning for evaluating the ecological environment effects of the mining area,maintaining the balance of the mining area's ecosystem,and determination of the development and utilization methods of regional resources.Combining with the research method of ecological evolution trend in Junggar mining area,and from time transfer evaluation and spatial evolution analysis,the evaluation of ecological evolution trend in Junggar mining area were done.Utilizing remote sensing technology,from natural factors such as annual precipitation and average temperature,as well as human factors such as urbanization,coal mining,and ecological protection projects,spatial-temporal change charac-teristics and driving forces of vegetation coverage in Zhungeer mining area from 1988 to 2019 were analyzed.The results showed that:from the time analysis,the vegetation coverage in Junggar mining area was mainly stable during 1993 to 1998 and 2008 to 2019,mainly improved during 1988 to 1993 and 2003 to 2008,and mainly degraded during 1998 to 2003;from the spatial analysis,the vegetation in central part of mining area is mainly slightly and generally degraded,and the vegetation is obviously degraded in newly developed areas of Heidaigou coal mine and Hawuersu coal mine.At the same time,a large area of ecological restoration has been carried out in the already exploited areas,while the vegetation is mainly improved in the southern part of the mining area,and there are some areas of obvious vegetation degradation,which are mainly newly added mining land;the increase of average annual rainfall in the previous year and the rise of air temperature in the current year can improve vegetation coverage in the mining area.Urbanization construction and coal mining are the man-made driving forces causing the decrease of vegetation coverage in the mining area,and effective ecological protection projects and positive policy guidance are the man-made driving forces for the increase of vegetation coverage in the mining area.
万方数据
维普
