| Do physicochemical variables regulate the distribution of zooplankton communities in reservoirs dominated by filter-feeding carp? |
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| 引用本文： | 胡梦红,杨丽丽,刘其根.Do physicochemical variables regulate the distribution of zooplankton communities in reservoirs dominated by filter-feeding carp?[J].中国海洋与湖沼学报,2014,32(2):266-277. |
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| 作者姓名： | 胡梦红 杨丽丽 刘其根 |
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| 基金项目： | Supported by the Special Fund for Agro-Scientific Research in the Public Interest, the State Agriculture Ministry of China （No. 201303056）, the National Natural Science Foundation of China （No. 31072218）, the Shanghai City Board of Education Innovation Fund （No. 13YZ093）, the Funding Scheme for Training Young Teachers in Colleges and Universities in Shanghai （No. ZZhy12001）, and the Shanghai University Knowledge Service Platform Project （ZF1206） |
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| 摘 要： | The temporal and spatial distributions of zooplankton communities in the upper, middle, and lower reaches of the Xin＇anjiang Reservoir, Zhejiang, China, were investigated monthly, between 2009 and 2010. Silver carp （Hypophthalmichthys moBtrix） and bighead carp （Aristichthys nobilis） dominated the pelagic fish community of this large, deep reservoir. Cladocerans were distributed evenly throughout the reservoir. Rotifers were mainly found in the upper reaches, while copepods tended to assemble in the lower reaches. The Pearson correlation analysis and stepwise multiple regression were used to identify the major physicochemical gradients influencing community variations. Zooplankton community distributions were influenced by water temperature, dissolved oxygen, phosphorus, nitrogen, and silicon. Excess nutrients, in particular silicon, stimulated rotifer growth. Based on these findings, it is possible to use rotifer density as a bioindicator of eutrophic status in deep reservoir ecosystems.
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| 关 键 词： | 新安江水库 浮游动物群落 量调节 鲤鱼 逐步多元回归 中上层鱼类 时空分布 深部储层 |
Do physicochemical variables regulate the distribution of zooplankton communities in reservoirs dominated by filterfeeding carp？ |
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| Menghong Hu,Lili Yang,Qigen Liu.Do physicochemical variables regulate the distribution of zooplankton communities in reservoirs dominated by filterfeeding carp？[J].Chinese Journal of Oceanology and Limnology,2014,32(2):266-277. |
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| Authors: | Menghong Hu Lili Yang Qigen Liu |
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| Institution: | 1. College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
2. Key Laboratory of Freshwater Fishery Germplasm Resources, Ministry of Aquaculture, Shanghai, 201306, China
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| Abstract: | The temporal and spatial distributions of zooplankton communities in the upper, middle, and lower reaches of the Xin’anjiang Reservoir, Zhejiang, China, were investigated monthly, between 2009 and 2010. Silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis) dominated the pelagic fish community of this large, deep reservoir. Cladocerans were distributed evenly throughout the reservoir. Rotifers were mainly found in the upper reaches, while copepods tended to assemble in the lower reaches. The Pearson correlation analysis and stepwise multiple regression were used to identify the major physicochemical gradients influencing community variations. Zooplankton community distributions were influenced by water temperature, dissolved oxygen, phosphorus, nitrogen, and silicon. Excess nutrients, in particular silicon, stimulated rotifer growth. Based on these findings, it is possible to use rotifer density as a bioindicator of eutrophic status in deep reservoir ecosystems. |
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| Keywords: | temporal distribution spatial distribution zooplankton filter-feeding carp physicochemical variables reservoir |
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