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Effects of silver carp (Hypophthalmichthys molitrix) on spring phytoplankton community structure of Three-Gorges Reservoir (China): results from an enclosure experiment
Zhou, Guangjie; Zhao, Xuemin; Bi, Yonghong; Hu, Zhengyu; Hu, ZY (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Huzy@ihb.ac.cn
2011
Source PublicationJOURNAL OF LIMNOLOGY
ISSN1129-5767
Volume70Issue:1Pages:26-32
AbstractSerious phytoplankton blooms occurred repeatedly every spring in many bays of the Three-Gorges Reservoir. However, little was known about the impact of phytoplanktivorous fish on spring phytoplankton community structure in the Three-Gorges Reservoir. In this study, an enclosure experiment was conducted to assess the impact of silver carp (Hypophthalmichthys molitrix) on the plankton community structure and water quality of the Three-Gorges Reservoir during 2 April to 2 May 2008. The field experiment was performed in six enclosures. Stocking silver carp into enclosures caused a dramatic change in the aquatic ecosystem. For example, pH, transparency, DO and phosphate were reduced, while chlorophyll-a concentration and turbidity increased dramatically. Furthermore, during the enclosure experiment, some zooplankton such as rotifer and copepoda were significantly reduced, and some phytoplankton and protozoa were significantly increased by silver carp. The predation by silver carp might have increased phytoplankton biomass through reducing the densities of some zooplankton which directly fed on phytoplankton. It was concluded that silver carp was not suitable for clearing spring phytoplankton (<20 mu m) blooms in the Three-Gorges Reservoir at the present time.
KeywordPhytoplanktivorous Fish Biomanipulation Phytoplankton Three-gorges Reservoir Xiangxi Bay
Department[Zhou, GJ; Zhao, XM; Bi, YH; Hu, ZY] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Zhou, GJ] Guangdong Acad Environm Sci, Guangzhou 510045, Guangdong, Peoples R China; [Zhao, XM] Minist Environm Protect, S China Inst Environm Sci, Guangzhou 510655, Guangdong, Peoples R China
Subject AreaMarine & Freshwater Biology
Funding OrganizationChinese Academy of Sciences[KZCX1-YW-08-01]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005] ; Chinese Academy of Sciences[KZCX1-YW-08-01]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005] ; Chinese Academy of Sciences[KZCX1-YW-08-01]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005] ; Chinese Academy of Sciences[KZCX1-YW-08-01]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005]
Indexed BySCI
Language英语
WOS IDWOS:000294320300005
Funding OrganizationChinese Academy of Sciences[KZCX1-YW-08-01]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005] ; Chinese Academy of Sciences[KZCX1-YW-08-01]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005] ; Chinese Academy of Sciences[KZCX1-YW-08-01]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005] ; Chinese Academy of Sciences[KZCX1-YW-08-01]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16387
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorHu, ZY (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Huzy@ihb.ac.cn
Recommended Citation
GB/T 7714
Zhou, Guangjie,Zhao, Xuemin,Bi, Yonghong,et al. Effects of silver carp (Hypophthalmichthys molitrix) on spring phytoplankton community structure of Three-Gorges Reservoir (China): results from an enclosure experiment[J]. JOURNAL OF LIMNOLOGY,2011,70(1):26-32.
APA Zhou, Guangjie,Zhao, Xuemin,Bi, Yonghong,Hu, Zhengyu,Hu, ZY ,&Huzy@ihb.ac.cn.(2011).Effects of silver carp (Hypophthalmichthys molitrix) on spring phytoplankton community structure of Three-Gorges Reservoir (China): results from an enclosure experiment.JOURNAL OF LIMNOLOGY,70(1),26-32.
MLA Zhou, Guangjie,et al."Effects of silver carp (Hypophthalmichthys molitrix) on spring phytoplankton community structure of Three-Gorges Reservoir (China): results from an enclosure experiment".JOURNAL OF LIMNOLOGY 70.1(2011):26-32.
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