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学科主题: Ecology; Environmental Sciences; Marine & Freshwater Biology; Water Resources
题名: Effects of a small planktivore (Pseudorasbora parva: Cyprinidae) on eutrophication of a shallow eutrophic lake in central China
作者: Chen, Yushun1, 2, 4; Li, Zhongjie1, 2; Lin, Lian-Shin3
通讯作者: Chen, YS, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
关键词: lake eutrophication ; biomanipulation ; top-down effects ; nutrients
刊名: AQUATIC ECOSYSTEM HEALTH & MANAGEMENT
发表日期: 2010
DOI: 10.1080/14634988.2010.502805
卷: 13, 期:3, 页:328-334
收录类别: SCI
文章类型: Article
部门归属: [Chen, Yushun; Li, Zhongjie] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; [Chen, Yushun; Li, Zhongjie] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China; [Lin, Lian-Shin] W Virginia Univ, Dept Civil & Environm Engn, Morgantown, WV 26505 USA; [Chen, Yushun] Univ Arkansas Pine Bluff, Aquaculture Fisheries Ctr, Pine Bluff, AR 71601 USA
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
资助者: Ministry of Sciences and Technology of China [2002AA601021]
类目[WOS]: Ecology ; Environmental Sciences ; Marine & Freshwater Biology ; Water Resources
研究领域[WOS]: Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
摘要: An enclosure experiment was performed in Lake Yuehu, central China, to assess the effects of a gradient of Pseudorasbora parva biomass on eutrophication state parameters, from May 15 to June 14, 2004. Experimental enclosures were placed into the lake and four treatments were conducted: Control (no fish), low fish (16.5 g m(-3)), medium fish (55 g m(-3)), and high fish (110 g m(-3)). The experimental fish were an average total length of 78 +/- 7 mm (mean +/- standard deviation) and an average weight of 5.5 +/- 1.5 g (mean +/- standard deviation). In general, fish increased Secchi disk transparency (SD) and reduced chlorophyll a and total phytoplankton cells, especially in the medium and high fish treatments. No significant effect of fish on total nitrogen (TN) and total phosphorus (TP) was observed. Relatively higher SD, and lower TN and TP were observed in the medium fish treatment as compared to other fish treatments. Effects of fish biomass on chlorophyll a and total phytoplankton cells were not significantly different between the medium and the high fish treatments. Based on the observed eutrophication parameters and fish mortality, the current experiments suggest that maintaining a 55 g m(-3) biomass of P. parva may be helpful for controlling eutrophic state in the studied lake. Further studies are needed to extrapolate the current results to the whole-lake management decisions.
英文摘要: An enclosure experiment was performed in Lake Yuehu, central China, to assess the effects of a gradient of Pseudorasbora parva biomass on eutrophication state parameters, from May 15 to June 14, 2004. Experimental enclosures were placed into the lake and four treatments were conducted: Control (no fish), low fish (16.5 g m(-3)), medium fish (55 g m(-3)), and high fish (110 g m(-3)). The experimental fish were an average total length of 78 +/- 7 mm (mean +/- standard deviation) and an average weight of 5.5 +/- 1.5 g (mean +/- standard deviation). In general, fish increased Secchi disk transparency (SD) and reduced chlorophyll a and total phytoplankton cells, especially in the medium and high fish treatments. No significant effect of fish on total nitrogen (TN) and total phosphorus (TP) was observed. Relatively higher SD, and lower TN and TP were observed in the medium fish treatment as compared to other fish treatments. Effects of fish biomass on chlorophyll a and total phytoplankton cells were not significantly different between the medium and the high fish treatments. Based on the observed eutrophication parameters and fish mortality, the current experiments suggest that maintaining a 55 g m(-3) biomass of P. parva may be helpful for controlling eutrophic state in the studied lake. Further studies are needed to extrapolate the current results to the whole-lake management decisions.
关键词[WOS]: COMMUNITY STRUCTURE ; PLANKTON DYNAMICS ; LIANGZI LAKE ; SMALL FISHES ; BIOMASS
语种: 英语
WOS记录号: WOS:000281763400012
ISSN号: 1463-4988
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13516
Appears in Collections:淡水生态学研究中心_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, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.W Virginia Univ, Dept Civil & Environm Engn, Morgantown, WV 26505 USA
4.Univ Arkansas Pine Bluff, Aquaculture Fisheries Ctr, Pine Bluff, AR 71601 USA

Recommended Citation:
Chen, Yushun; Li, Zhongjie; Lin, Lian-Shin.Effects of a small planktivore (Pseudorasbora parva: Cyprinidae) on eutrophication of a shallow eutrophic lake in central China,AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,2010,13(3):328-334
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