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• 研究报告 • 上一篇    下一篇

扬州市邗江滨湖区生态涵养重要性评价及分区

张姗姗1,2,张落成1**,董雅文1,陈肖飞1,2,赵金丽1,2   

  1. 1中国科学院流域地理学重点实验室, 中国科学院南京地理与湖泊研究所,  南京 210008; 2中国科学院大学,  北京 100049)
  • 出版日期:2015-08-10 发布日期:2015-08-10

Evaluation and zoning of ecological conservation of the Hanjiang lakeside district in Yangzhou.

ZHANG Shan-shan1,2, ZHANG Luo-cheng1**, DONG Ya-wen1, CHEN Xiao-fei1,2, ZHAO Jin-li1,2   

  1. (1Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences; Nanjing 210008, China; 2University of Chinese Academy of Sciences, Beijing 100049, China)
  • Online:2015-08-10 Published:2015-08-10

摘要:

以扬州市邗江区部分区域为研究区,以500 m×500 m为基本生态单元,对研究区进行网格化处理;选取水系构成指数、水功能设施指数、水质目标指数、基本农田占比指数、生态红线管控指数为生态指标,采用多因素综合分析法分析不同生态单元的生态约束程度,进而分析不同生态单元的生态涵养重要性。结果表明:不同生态约束“极高”、“高”、“中等”、“低”占地面积分别为研究区总面积的7.36%、25.76%、43.22%和23.66%;进而对研究区进行生态涵养重要性分区,划分为发展区、储备区、缓冲区和保护区,分别占总用地的10.33%、40.66%、36.04%和12.97%。评价结果对规划邗江滨湖区未来的生态涵养产业分布、促进生态保护和经济协调发展具有重要意义。

 

关键词: 污染物, 水环境, 城市污泥, 植被恢复, 生长基质, 煤矸石边坡

Abstract: Hanjiang district in Yangzhou City was divided into a series of ecological units (500 m×500 m), and then the ecological conservation of each unit was evaluated through multifactor comprehensive analysis method based on five ecological elements including drainage component index, water conservancy facilities index, water quality target index, index of farmland ratio, and ecological red line control index. Four ecological constraint levels (highest, high, general, and low) were used to indicate ecological conservation, and their area occupying ratios were 7.36%, 25.76%, 43.22% and 23.66%, respectively. The study area was classified into four subfunction zones including potential development zone, reserved zone, transition zone, and protection zone, and they accounted for 10.33%, 40.66%, 36.04% and 12.97%, respectively. The evaluation results of ecological conservation of Hanjiang lakeside district in Yangzhou City is of great significance for promoting a balance between its ecological protection and economic development.

Key words: municipal sludge, water environment, coal gangue slope, vegetation restoration, growth media, harmful substance.