河岸利用转变对长江中下游的河岸水质的影响
Hui Zou1, Junfeng Ge2, Yongjiu Cai3
1Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China; State Key Laboratory of Lake and Watershed Science for Water Security, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
Journal of environmental management
|March 16, 2025
概括
长江沿线的河开发对水质的影响因土地使用而不同. 生活区增加氨,工业区增加和水平,需要有针对性的保护策略.
科学领域:
- 环境科学 环境科学
- 河流生态 河流生态
- 水质管理水质管理
背景情况:
- 长江保护战略旨在改善水质,管理河开发带来的环境风险.
- 河利用对河生态系统产生重大影响,需要进行详细的调查.
研究的目的:
- 调查河岸利用与中下长江水质之间的关系.
- 根据不同河利用类型的影响,提出区域化管理策略.
主要方法:
- 在2000公里长的76个地点进行了现场调查和水质采样.
- 从2017年到2022年对河岸利用变化的分析.
- 使用类型和水质参数 (NH3-N,TP,重金属) 之间的相关性分析.
主要成果:
- 河利用率略有下降,从生产转向生活用途.
- 面向生活的发展增加了氨 (NH3-N);面向生产的发展增加了总 (TP) 和 (Zn).
- 在河岸利用变化和含量之间发现了强烈的正相关性,表明了工业影响.
结论:
- 河岸利用对水质的不同影响需要量身定制的管理方法.
- 提出了四个环境管理区,确定了29.0%的关键河部分.
- 河岸利用的科学管理对于提高长江水质至关重要.
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