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- W2353669230 abstract "Exploitation and utilization of coal resources make a tremendous contribution to the modernization of our society,but also bring serious ecological impacts,such as vegetation degradation,soil erosion and biodiversity loss,to the coal mining areas.Lots of studies have been done to solve the ecological problems in coal mining sites,but researches on the ecological impact range of coal mining activities have not yet been reported.In this paper,spatial distribution of coal mining sites in Yangquan mining area are identified based on remote sensing data.By taking remote sensing vegetation index as the characterization factor of the ecological condition,spatial analysis model is run to study the ecological impact range of coal mining activities to the surrounding ecosystems.Results show that,as the distance from coal mining sites increases,the value of vegetation index raises,but the growth rate will decrease.There is a logarithmic curve of the relationship between the vegetation index value and the distance from coal mining sites.Vegetation index value starts to be steady when the distance from coal mining sites comes up to 400-500 m,which means vegetation resource more than 400-500 m away from coal mining sites would not be strongly affected by coal exploitation.Comparing the changes of vegetation index at the same distance during different study periods,there is an evidently increasing trend of vegetation index value change at 400-500 m sub zone.The impact of coal exploitation to the vegetation 400-500 m away from coal mining sites is increasing.It gives us a sign that the impact range of coal exploitation might be growing with time.Judging from the vegetation condition,the ecological impact range of coal mining activities is 400-500 m away from the coal mining sites.To protect the ecosystems in coal mining areas,the ecological restoration and environmental improvement actions should not only be carried out within the coal mining sites,but also extend to the range that the ecosystem and environment is strongly affected." @default.
- W2353669230 created "2016-06-24" @default.
- W2353669230 creator A5083826244 @default.
- W2353669230 date "2010-01-01" @default.
- W2353669230 modified "2023-09-26" @default.
- W2353669230 title "Identifying the Mining Impact Range on the Vegetation of Yangquan Coal Mining Region by Using 3S Technology" @default.
- W2353669230 hasPublicationYear "2010" @default.
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