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Assessment of pollution status of Dalianhu water sources in Shanghai, China and its pollution biological characteristics

文献类型： 外文期刊

作者： Liu, Xingguo 1 ; Wu, Zongfan 1 ; Xu, Hao 1 ; Zhu, Hao 1 ; Wang, Xiaodong 1 ; Liu, Zhongsong 1 ;

作者机构： 1.Minist Agr, Key Lab Fishery Equipment & Engn, Shanghai 200092, Peoples R China

2.Chinese Acad Fisheries Sci, Fishery Machinery & Instrument Res Inst, Shanghai 200092, Peoples R China

3.Chinese Acad Fisheries Sci, F

关键词： Dalianhu water sources;Pollution assessment;Diversity indices;Zooplankton;Benthos

期刊名称：ENVIRONMENTAL EARTH SCIENCES （ 影响因子：2.784； 五年影响因子：2.867 ）

ISSN： 1866-6280

年卷期： 2014 年 71 卷 10 期

页码：

收录情况： SCI

摘要： The present study was undertaken aiming to assess the water quality state of different parts (i.e. external river, aquaculture ponds, lake area, water forests, internal river and swampland) of Dalianhu water sources in Shanghai (China), by investigating the community structure characteristics of zooplankton and benthos along with some water quality parameters (TN, TP, COD, etc.). Some diversity indices were calculated, including Shannon-Wiener index (H) for both zooplankton and benthos, Margalef's diversity index (D) for zooplankton and Goodnight modified index (G) and Biological pollution index (BPI) for benthos. The obtained results shows that in Dalianhu water sources, the Shannon-Wiener index of zooplankton (H (z)) is 0.3-1.83, the Margalef's diversity index of zooplankton (D) is 1.0-10.4. The Shannon-Wiener index of benthos (H (b)) is 0.81-1.26, the Goodnight modified index of benthos (G) is 0.30-0.88, the Biological pollution index (BPI) is 1.1. These findings determine the water quality in Dalianhu water sources which belong to the moderate pollution. By comprehensive analysis together with zooplankton, benthos indices and water physicochemical parameters, the pollution level of Dalianhu water sources is in turn water forest, inner river, aquaculture ponds, external river and lake area, showing that the pollution of the Dalianhu water sources is mainly internal. It was suggested that the further work departments should be carried out to strengthen the necessary consolidate management and ecological repair.

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