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学科主题: Ecology; Engineering ; Environmental; Environmental Sciences
题名: Seasonal variations in stable isotope ratios of two biomanipulation fishes and seston in a large pen culture in hypereutrophic Meiliang Bay, Lake Taihu
作者: Zhou, Qiong1; Xie, Ping1; Xu, Jun1; Ke, Zhi-Xin1; Guo, Long-Gen1; Cao, Te1
通讯作者: Xie, P, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Inst Hydrobiol,Grad Sch, Wuhan 430072, Peoples R China
关键词: Stable isotopes ; Silver carp ; Bighead carp ; Seston ; Seasonal variation
刊名: ECOLOGICAL ENGINEERING
发表日期: 2009-11-01
DOI: 10.1016/j.ecoleng.2007.11.009
卷: 35, 期:11, 页:1603-1609
收录类别: SCI
文章类型: Article
部门归属: [Zhou, Qiong; Xie, Ping; Xu, Jun; Ke, Zhi-Xin; Guo, Long-Gen; Cao, Te] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Inst Hydrobiol,Grad Sch, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Technology
资助者: 863 project [2002AA601011]
类目[WOS]: Ecology ; Engineering, Environmental ; Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology ; Engineering
摘要: This paper reports on seasonal changes in stable carbon and nitrogen isotope ratios of seston and muscle tissue of silver carp and bighead carp during 2004 and 2005, focusing primarily on the carbon sources and trophic relationships among phytoplankton, zooplankton and silver carp and bighead carp in a large fish pen of Meiliang Bay (Lake Taihu, China). delta C-13 showed a minimal value in March 2005 and a maximal value in August 2005 in seston both inside and outside the pen, whereas delta N-15 of seston showed the minimum in winter and the maximum during algal blooms. A positive correlation between delta C-13 of silver carp and that of seston suggested that temporal variation Of delta C-13 in seston was preserved in fish via the food chain. The differences of delta C-13 among seston, zooplankton and muscle tissue of silver carp and bighead carp ranged only 0.2-1.7%, indicating that plankton production was the primary food source of filter-feeding fishes. According to a mass balance model, we estimated that the contributions of zooplankton to the diets of silver carp and bighead carp were 45.7% and 54.3%, respectively, based on the delta N-15 values of zooplankton and planktivorous fishes. (C) 2007 Elsevier B.V. All rights reserved
英文摘要: This paper reports on seasonal changes in stable carbon and nitrogen isotope ratios of seston and muscle tissue of silver carp and bighead carp during 2004 and 2005, focusing primarily on the carbon sources and trophic relationships among phytoplankton, zooplankton and silver carp and bighead carp in a large fish pen of Meiliang Bay (Lake Taihu, China). delta(13)C showed a minimal value in March 2005 and a maximal value in August 2005 in seston both inside and outside the pen, whereas delta(15)N of seston showed the minimum in winter and the maximum during algal blooms. A positive correlation between delta(13)C of silver carp and that of seston suggested that temporal variation Of delta(13)C in seston was preserved in fish via the food chain. The differences of delta(13)C among seston, zooplankton and muscle tissue of silver carp and bighead carp ranged only 0.2-1.7%, indicating that plankton production was the primary food source of filter-feeding fishes. According to a mass balance model, we estimated that the contributions of zooplankton to the diets of silver carp and bighead carp were 45.7% and 54.3%, respectively, based on the delta(15)N values of zooplankton and planktivorous fishes. (C) 2007 Elsevier B.V. All rights reserved
关键词[WOS]: FOOD-WEB STRUCTURE ; SILVER CARP ; HYPOPHTHALMICHTHYS-MOLITRIX ; AQUATIC MACROPHYTES ; AQUACULTURE PONDS ; ORGANIC-MATTER ; NITROGEN ; CARBON ; WATER ; CHINA
语种: 英语
WOS记录号: WOS:000271700000006
ISSN号: 0925-8574
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7486
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Inst Hydrobiol,Grad Sch, Wuhan 430072, Peoples R China

Recommended Citation:
Zhou, Qiong; Xie, Ping; Xu, Jun; Ke, Zhi-Xin; Guo, Long-Gen; Cao, Te.Seasonal variations in stable isotope ratios of two biomanipulation fishes and seston in a large pen culture in hypereutrophic Meiliang Bay, Lake Taihu,ECOLOGICAL ENGINEERING,2009,35(11):1603-1609
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