北京市门头沟区采砂废弃地治理遥感评价
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北京市门头沟区财政资助项目“门头沟区典型生态建设与修复技术的生态效益评价研究”


Assessment on Sandpits Wasteland of Mentougou District in Beijing City Using Remote Sensing
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    [目的]对北京市门头沟区采砂废弃地治理进行遥感评价,为北京市政府进行采砂废弃地这一典型退化生态系统的生态修复和景观重建提供依据。[方法]基于门头沟区采砂废弃地遥感影像及实地调研,对各采砂废弃地的规划利用方向进行分类,同时利用综合指数法、GIS分析法和专家打分法等景观评价方法,选取相应的评价因子建立评价模型,对门头沟区采砂废弃地的生态治理效果进行综合评价。[结果]门头沟区采砂废弃地规划利用方式为公共绿地及公园、自然生态恢复区、建设用地、基本农田、河道综合治理区5大类别,治理效果表现为:公共绿地及公园>河道综合治理>基本农田>建设用地>自然生态恢复区。[结论]门头沟区治理近10 a来,采砂废弃地规划利用及生态修复取得了显著成效,总体生态治理效果达到近理想的状态,其中公共绿地及公园的治理效果接近理想状态,无论从植被覆盖度还是景观协调度方面都体现出更好的恢复效果,而自然生态恢复方式效果一般,对采砂废弃地不宜采取该种方式。

    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,2018,38(2):246-252

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  • 收稿日期:2017-05-31
  • 最后修改日期:2017-10-11
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  • 在线发布日期: 2018-05-17
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