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题名: Remediation effect of pond-ditch circulation on rural wastewater in southern China
作者: Ma, Lin1, 2; He, Feng1; Sun, Jian1, 2; Wang, Long1, 2; Xu, Dong1; Wu, Zhenbin1
通讯作者: He, F (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
关键词: Water circulation ; Zooplankton community structure ; Water quality ; Redundancy analysis
刊名: ECOLOGICAL ENGINEERING
发表日期: 2015-04-01
DOI: 10.1016/j.ecoleng.2014.11.036
卷: 77, 页:363-372
收录类别: SCI
文章类型: Article
部门归属: [Ma, Lin ; He, Feng ; Sun, Jian ; Wang, Long ; Xu, Dong ; Wu, Zhenbin] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China ; [Ma, Lin ; Sun, Jian ; Wang, Long] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Technology
类目[WOS]: Ecology ; Engineering, Environmental ; Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology ; Engineering
英文摘要: To mitigate water pollution caused by rapid urbanization in the rural areas of China, it is urgent to develop suitable wastewater treatment technologies, which are socio-economic, environmentally sustainable and easily maintained. This study investigates the remediation effect of a pond-ditch circulation system on water quality. This system is composed of connected ponds and ditches in rural areas. We constructed the treatment systems as follows: system I (S1) was circulated 24 h/day (13.2 L/h), system II (S2) was static with macrophytes, and system III (S3) was circulated with macrophytes. Our results indicated that after 60 days of treatment, the levels of the total nitrogen, total phosphorus, ammonia nitrogen, chemical oxygen demand, chlorophyll a and turbidity of water significantly decreased in the ponds/ditches of S1 and S3. Similar significant decreases of these parameters were observed in the water of the ditch in S2, whereas the concentrations of TN, TP and NH4+-N of water from the two ponds in S2 increased. Moreover, the increase of the species numbers and the diversity index of zooplankton and the decrease of heterotrophic index in three ponds/ditches of S1 and S3 and the ditch of S2 demonstrated the improvement in water quality. The significant relationship between the zooplankton community structure and the environmental variables was confirmed by redundancy analysis (RDA) and Pearson's correlation analysis. In conclusion, the pond-ditch circulation system can effectively remove excessive nutrient loads and improvewater quality and hence represents a simple and economical solution for the restoration of a degraded rural water environment. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: ZOOPLANKTON COMMUNITY STRUCTURE ; SUSPENDED-GROWTH PROCESSES ; SHALLOW LAKE ; TREATMENT PERFORMANCE ; CONSTRUCTED WETLAND ; SEWERAGE FACILITIES ; AQUATIC MACROPHYTES ; ECOLOGICAL QUALITY ; SHRIMP AQUACULTURE ; TREATMENT SYSTEM
语种: 英语
WOS记录号: WOS:000351705100041
ISSN号: 0925-8574
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23945
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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