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学科主题: Ecology; Engineering, Environmental; Environmental Sciences
题名: Impacts of two biomanipulation fishes stocked in a large pen on the plankton abundance and water quality during a period of phytoplankton seasonal succession
作者: Ke, Zhi-Xin1; Xie, Ping1; Guo, Long-Gen1
通讯作者: Xie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol,Grad Sch, Wuhan 430072, Peoples R China
关键词: Biomanipulation ; Filter-feeding fish ; Pen culture ; Silver carp ; Bighead carp ; Microcystis
刊名: ECOLOGICAL ENGINEERING
发表日期: 2009-11-01
DOI: 10.1016/j.ecoleng.2008.01.006
卷: 35, 期:11, 页:1610-1618
收录类别: SCI
文章类型: Article
部门归属: [Ke, Zhi-Xin; Xie, Ping; Guo, Long-Gen] Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, 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: Silver and bighead carp were stocked in a large pen to control the nuisance cyanobacterial blooms in Meiliang Bay of Lake Taihu. Plankton abundance and water quality were investigated about once a week from 9 May to 7 July in 2005. Biomass of both total crustacean zooplankton and cladocerans was significantly suppressed by the predation of pen-cultured fishes. There was a significant negative correlation between the N:P weight ratio and phytoplankton biomass. The size-selective predation by the two carps had no effect on the biomass of green alga Ulothrix sp. It may be attributed to the low fish stocking density (less than 40 g m(-3)) before June. When Microcystis dominated in the water of fish pen, the pen-cultured carps effectively suppressed the biomass of Microcystis, as indicated by the significant decline of chlorophyll a in the >38 mu m fractions of the fish pen. Based on the results of our experiment and previous other studies, we conclude that silver and bighead carp are two efficient biomanipulation tools to control cyanobacterial (Microcystis) blooms in the tropical/subtropical eutrophic waters. Moreover, we should maintain an enough stocking density for an effective control of phytoplankton biomass. (C) 2008 Elsevier B.V All rights reserved
英文摘要: Silver and bighead carp were stocked in a large pen to control the nuisance cyanobacterial blooms in Meiliang Bay of Lake Taihu. Plankton abundance and water quality were investigated about once a week from 9 May to 7 July in 2005. Biomass of both total crustacean zooplankton and cladocerans was significantly suppressed by the predation of pen-cultured fishes. There was a significant negative correlation between the N:P weight ratio and phytoplankton biomass. The size-selective predation by the two carps had no effect on the biomass of green alga Ulothrix sp. It may be attributed to the low fish stocking density (less than 40 g m(-3)) before June. When Microcystis dominated in the water of fish pen, the pen-cultured carps effectively suppressed the biomass of Microcystis, as indicated by the significant decline of chlorophyll a in the >38 mu m fractions of the fish pen. Based on the results of our experiment and previous other studies, we conclude that silver and bighead carp are two efficient biomanipulation tools to control cyanobacterial (Microcystis) blooms in the tropical/subtropical eutrophic waters. Moreover, we should maintain an enough stocking density for an effective control of phytoplankton biomass. (C) 2008 Elsevier B.V All rights reserved
关键词[WOS]: CARP HYPOPHTHALMICHTHYS-MOLITRIXON ; SILVER CARP ; BIGHEAD CARP ; ARISTICHTHYS-NOBILIS ; ENCLOSURE EXPERIMENT ; FEEDING SELECTIVITY ; COMMUNITY STRUCTURE ; HYPERTROPHIC LAKE ; SHALLOW LAKE ; CLEAR-WATER
语种: 英语
WOS记录号: WOS:000271700000007
ISSN号: 0925-8574
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7488
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, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol,Grad Sch, Wuhan 430072, Peoples R China

Recommended Citation:
Ke, Zhi-Xin; Xie, Ping; Guo, Long-Gen.Impacts of two biomanipulation fishes stocked in a large pen on the plankton abundance and water quality during a period of phytoplankton seasonal succession,ECOLOGICAL ENGINEERING,2009,35(11):1610-1618
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