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Effects of a small planktivore (Pseudorasbora parva: Cyprinidae) on eutrophication of a shallow eutrophic lake in central China
Chen, Yushun; Li, Zhongjie; Lin, Lian-Shin; Chen, YS, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2010
Source PublicationAQUATIC ECOSYSTEM HEALTH & MANAGEMENT
Volume13Issue:3Pages:328-334
AbstractAn 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.
KeywordLake Eutrophication Biomanipulation Top-down Effects Nutrients
Department[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
Subject AreaEcology ; Environmental Sciences ; Marine & Freshwater Biology ; Water Resources
Funding OrganizationMinistry of Sciences and Technology of China [2002AA601021] ; Ministry of Sciences and Technology of China [2002AA601021] ; Ministry of Sciences and Technology of China [2002AA601021] ; Ministry of Sciences and Technology of China [2002AA601021]
Indexed BySCI
WOS IDWOS:000281763400012
Funding OrganizationMinistry of Sciences and Technology of China [2002AA601021] ; Ministry of Sciences and Technology of China [2002AA601021] ; Ministry of Sciences and Technology of China [2002AA601021] ; Ministry of Sciences and Technology of China [2002AA601021]
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13516
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorChen, YS, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Chen, Yushun,Li, Zhongjie,Lin, Lian-Shin,et al. Effects of a small planktivore (Pseudorasbora parva: Cyprinidae) on eutrophication of a shallow eutrophic lake in central China[J]. AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,2010,13(3):328-334.
APA Chen, Yushun,Li, Zhongjie,Lin, Lian-Shin,&Chen, YS, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.(2010).Effects of a small planktivore (Pseudorasbora parva: Cyprinidae) on eutrophication of a shallow eutrophic lake in central China.AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,13(3),328-334.
MLA Chen, Yushun,et al."Effects of a small planktivore (Pseudorasbora parva: Cyprinidae) on eutrophication of a shallow eutrophic lake in central China".AQUATIC ECOSYSTEM HEALTH & MANAGEMENT 13.3(2010):328-334.
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