[1]陈春伟,邹轶波,王 磊,等.微循环对村镇断头河道水土保持特性的影响[J].江苏水利,2021,(05):1-7+22.
　CHEN Chunwei,ZOU Yibo,WANG Lei,et al.Effect of microcirculation on soil and water conservation characteristics of broken channels in villages and towns[J].JIANGSU WATER RESOURCES,2021,(05):1-7+22.
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微循环对村镇断头河道水土保持特性的影响()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2021年05期
页码:
1-7+22
栏目:
农村水利
出版日期:
2021-05-28

文章信息/Info

Title:
Effect of microcirculation on soil and water conservation characteristics of broken channels in villages and towns
文章编号:
1007-7839(2021)05-0001-07
作者:
陈春伟1;  邹轶波1;  王 磊2;  徐强强3;  索鹏程3;  左晓俊3*
1.常州市武进区水利局河道与湖泊管理处, 江苏 常州 231000; 2.常州市武进区洛阳镇水利站, 江苏 常州 231000; 3.南京信息工程大学 环境科学与工程学院, 江苏 南京 210044
Author(s):
CHEN Chunwei1;  ZOU Yibo1;  WANG Lei2;  XU Qiangqiang3;  SUO Pengcheng3;  ZUO Xiaojun3*
1.River and Lake Management Department, Wujin District Water Conservancy Bureau, Changzhou 231000, China; 2.Luoyang Town Water Resources Station of Wujin District, Changzhou City, Changzhou 231000, China; 3.School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China
关键词:
太湖流域;  断头河道;  水系连通;  微循环;  水土保持
Keywords:
Taihu Basin;  broken channel;  water system connectivity;  microcirculation;  soil and water conservation
分类号:
S157
文献标志码:
B
摘要:
以常州武进洛阳镇徐家头浜作为研究对象,调查微循环前后河道岸坡性状的变化情况,分析微循环下的河道生态系统抗冲击性能,并探讨岸坡生态系统抗冲击性能与其稳定性的关系。结果表明:①微循环过程中岸坡土壤质地、孔隙率及含水率变化均较小,但总磷(TP)、全氮(AN)、容重、抗蚀性均有较大变化; ②微循环过程中河道雨后浮游生物较雨前均呈增长趋势,岸坡区域浮游生物数量明显高于河道中线区域,且微循环对河道岸坡微生物菌群抗降雨冲击具有促进作用; ③岸坡土壤TP、AN及含水率对河道岸坡土壤微生物群落多样性的变化影响均达到显著水平(P<0.05)。研究显示,微循环能够提高河道岸坡生态系统抗冲击性能,对村镇断头河道水土保持意义重大。
Abstract:
Taking Xujiatou River in Luoyang Town, Wujin District, Changzhou City as a research object, the variation of river bank slope characteristics before and after microcirculation was investigated, the impact resistance of river ecosystem under microcirculation was analyzed, and the relationship between the impact resistance and stability of river bank slope ecosystem was discussed. The results showed that: ①The changes of soil texture, porosity and water content were small in the microcirculation process, but the changes of total phosphorus(TP), total nitrogen(AN), bulk density and corrosion resistance were great. ②In the process of microcirculation, the plankton in the river after rain showed an increasing trend compared with that before rain, and the number of plankton in the bank slope area was significantly higher than that in the middle line area of the river, and microcirculation had a promoting effect on the rainfall resistance of microbial flora in the river bank slope. ③The effects of soil TP, AN and water content on soil microbial community diversity of riverbank slope were significant(P<0.05). The research showed that microcirculation could improve the impact resistance of river bank slope ecosystem, which was of great significance to soil and water conservation of broken channels in villages and towns.

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备注/Memo

备注/Memo:
收稿日期:2020-09-23
基金项目:江苏省水利科技项目(2019032)
作者简介:陈春伟(1970—),男,工程师,研究方向为河湖水环境治理与水利工程管理。E-mail:768537073@qq.com
通信作者:左晓俊(1985—),男,教授,硕士生导师,研究方向为面源污染控制技术、水生态修复技术、水质风险与安全、现代废水处理技术。E-mail:z850108xj@163.com
更新日期/Last Update: 2021-05-20