河道型消落带生态环境问题及其防治对策——以三峡库区重庆段为例

苏维词; 张军以

doi:10.3969/j.issn.1001-4810.2010.04.016

河道型消落带生态环境问题及其防治对策——以三峡库区重庆段为例

doi: 10.3969/j.issn.1001-4810.2010.04.016

苏维词¹,
张军以²

1.
重庆师范大学地理与旅游学院；贵州科学院山地资源研究所
2.
重庆师范大学地理与旅游学院

基金项目: 国家社会科学基金(06XYJ01)、重庆市高校GIS重点实验室、重庆市人文地理学重点学科重庆市高校创新团队项目资助

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出版历程
- 收稿日期: 2010-07-25
- 发布日期: 2010-12-25

The main eco-environmental problems and prevent measures within the watercourse-type fluctuation zone—A case in Chongqing reach of the Three Gorges Reservoir

SU Wei-ci¹,
ZHANG Jun-yi²

1.
Geography College of Chongqing Normal University；Institute of Mountain Resources, Guizhou Academy of Sciences
2.
Geography College of Chongqing Normal University

摘要

摘要: 三峡大坝建成及水库蓄水运行后将出现一个落差高达30m的消落带,形成一个巨大的河道型的周期性湿地生态系统。根据三峡水库的蓄水规划及河道型消落带的特殊性,有针对性地探讨了在三峡水库(重庆段)运行过程中消落带产生的一系列生态环境问题,如消落带土地利用导致的水体富营养化,回水顶托区形成近岸污染带,船舶航行造成的水体污染等,并针对这些问题产生的原因、时空分布特征及发展趋势,提出了消落带土地利用适宜性评价,梯度开发,建设生态屏障带;实施城镇污水、工业污染和生活垃圾控制工程,发展环境友好型循环生态农业;建立基于3S技术的消落带生态环境问题监测预警系统等防治措施。
- 河道型消落带 /
- 生态环境问题 /
- 防治对策 /
- 三峡水库 /
- 重庆
Abstract: With the Three Gorges Reservoir being completed, a watercourse-type fluctuation zone with up to 30m high fall is going to appear, which will bring about a large periodic wet lands ecosystem. According to the water-store planning of the Three Gorges Reservoir and the particular characteristics of the fluctuation zone, important eco-environmental issues, such as eutrophication caused by land use, the near shore pollution in back water area, and the water pollution by ship's navigation, are discussed in the paper. Furthermore, in light of the reason and spatial-temporal distribution as well as development tendency of the above problems, it is proposed that the following prevention and control measures should be adopted, to evaluate the suitability of land use in the fluctuation zone, to reclaim the land step by step, to establish ecologic protective barrier, to carry out controlling engineer to domestic sewage and industrial pollution and domestic garbage, and to develop environmentally friendly recycling eco-agriculture, as well as to establish monitoring and warning system for the eco-environment in the fluctuation zone through the 3S technique.
- watercourse-type fluctuation zone /
- eco-environmental issue /
- countermeasure /
- theThree-Gorges Reservoir /
- Chongqing

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