SONG Liwang,HUANG Ailing,HAO Mina,et al.Effect of Ecological Restoration Project of Small Water Body in the Huaijiu River[J].Research of Soil and Water Conservation,2016,23(04):368-371.
怀九河小型水体生态修复工程效果研究
- Title:
- Effect of Ecological Restoration Project of Small Water Body in the Huaijiu River
- 分类号:
- P331
- 摘要:
- 随着我国经济社会的发展，河流生态问题也愈发突显，河流的生态治理和恢复已经成为一个热点。为研究欧盟面向小型水体的生态修复技术在我国的实际应用效果，选取了北京市怀九河的生态修复河段，从2010—2014年进行了为期5 a的动态监测研究。监测内容包括河流水文地貌形态、河流水质和物种多样性，其中河流水文地貌形态调查采用实地观测法每年1次，河流水质调查选取12个监测断面每年7月进行，物种多样性采用样方法、电捕法、浮游生物网法等每年7月一次。研究结果显示：河段施工完成后，河流水文地貌形态有逐年变好的趋势，说明河段的小型水体生态修复工程措施对河流水文地貌形态的恢复具有促进作用；从河水浊度、氨氮含量和化学需氧量三个方面分析得出河流水质5 a内持续改善；5 a内物种多样性持续上涨，说明小型水体生态修复工程能够提高物种多样性；数据显示2013—2014年各项研究数据变化不显著，综合研究结果认为小型水体生态修复措施对河流生态系统的修复效果在完工后的5 a左右趋于稳定。
- Abstract:
- With the rapid development of economy in China recently, river ecological problems have become severer, which leads to river ecological management and restoration to become a hot issue. In 2009, EU restoration engineering technology for small water body was introduced to repair several city rivers in Beijing. We selected Huaijiu River in Beijing as an example and conducted 5-year dynamic monitoring experiment from 2010 to 2014, aiming to study the application effects of this EU technology in China. The monitoring experiment includes river hydrology and topography, river water quality and species diversity. River hydrology and topography investigation was conducted once a year while river water quality survey selected 12 survey samples in July each year by applying field observation method. Species diversity research was conducted in July once a year using the electric fishing method, plankton net method, sample method, etc. The results show that the hydrology and topography of Huaijiu River have gradually improved after construction, indicating that restoration engineering technology for small water body plays a positive role in river hydrology and topography recovery. Furthermore, it turns out that river water quality continues to improve within five years in aspects of river turbidity, ammonia content and chemical oxygen demand. In addition, Huaijiu River has a steady rise in species diversity within five years and shows insignificant changes in diversity between 2013 and 2014. This study concluded that restoration engineering technology for small water body has a positive impact on the river ecosystem and the restoration effect on the river ecosystem will become stable in five years since the launch of the restoration engineering.
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备注/Memo
收稿日期:2015-12-11;改回日期:2016-01-04。
作者简介:宋立旺(1975-),男,江西人,硕士,高级工程师,研究方向:环境保护与水土保持。E-mail:55329481@qq.com