Assessment on Sandpits Wasteland of Mentougou District in Beijing City Using Remote Sensing
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    Abstract:

    [Objective] Using remote sensing to evaluate the treatment of sandpits wasteland in Mentougou District of Beijing City, to provide references for typical degraded ecosystem's ecological restoration and landscape reconsreuction for Beijing government.[Methods] Based on remote sensing image and field investigation, the possible utilization ways for all sandpits wastelands were listed. At the same time, we used landscape evaluation methods such as synthetic index method, GIS analytic method and expert scoring method, and selected relevant evaluating factor to establish an evaluation model. Finally we made a comprehensive evaluation system for the ecological management effect of sandpits wasteland in Mentougou District.[Results] The evaluation results showed that types of utilization on sandpits wasteland in Mentougou District can be divided into five ways:public green area or park, natural ecological restoration area, construction land, basic farmland, river comprehensive treatment area. The ecological management effect can be graded as public green area or park > river comprehensive treatment area > basic farmland > construction land > natural ecological restoration area.[Conclusion] In the past ten years, the utilization and ecological restoration of sandpits wasteland had got remarkable achievement, the overall effect of ecological treatment has reached a fine condition, especially, for public green area or park, from the aspects of vegetation coverage and landscape coordination, they got better recovery effects. However, the effect of natural ecological restoration was not good enough, way of natural ecological restoration is not suitable on sandpits wasteland.

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孙嘉,伍冰晨,齐实,李英雪,高同雨.北京市门头沟区采砂废弃地治理遥感评价[J].水土保持通报英文版,2018,38(2):246-252

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History
  • Received:May 31,2017
  • Revised:October 11,2017
  • Adopted:
  • Online: May 17,2018
  • Published: