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学科主题: Ecology; Environmental Sciences; Toxicology
题名: Experimental studies on the effects of toxic Microcystis aeruginosa PCC7820 on the survival and reproduction of two freshwater rotifers Brachionus calyciflorus and Brachionus rubens
作者: Geng, Hong2; Xie, Ping1
通讯作者: Xie, P, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosystems, Wuhan 430072, Peoples R China
关键词: Microcystis aeruginosa ; Microcystin ; Brachionus calyciflorus ; Brachionus rubens ; Survival and reproduction
刊名: ECOTOXICOLOGY
发表日期: 2008-11-01
DOI: 10.1007/s10646-008-0219-8
卷: 17, 期:8, 页:709-715
收录类别: SCI
文章类型: Article
部门归属: [Xie, Ping] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosystems, Wuhan 430072, Peoples R China; [Geng, Hong] S Cent Univ Nationalities, Coll Life Sci, Wuhan 430074, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [30530170, 30700088]; Nature Science Fund of South-Central University for Nationalities [YZZ07002]
类目[WOS]: Ecology ; Environmental Sciences ; Toxicology
研究领域[WOS]: Environmental Sciences & Ecology ; Toxicology
摘要: Blooms of Microcystis aeruginosa frequently occur in many eutrophic lakes in China, however, there is very little experimental study on the relationship between Microcystis and rotifers from Chinese waters. The effects of different concentrations of toxic M. aeruginosa PCC7820 on two common freshwater rotifers Brachionus calyciflorus and B. rubens were investigated in laboratory experiments. B. calyciflorus was able to utilize this strain of M. aeruginosa as a food source. However, M. aeruginosa suppressed the survival and reproduction of B. calyciflorus at the highest concentration (10(6) cells/ml) probably due to the inadequate nutrition. B. rubens was inhibited by toxic M. aeruginosa PCC7820 and the inhibition increased with the increasing Microcystis concentration. Our study indicates that the two rotifers have different sensitivities to toxic M. aeruginosa and that toxic cyanobacteria may affect zooplankton community structure by differentially inhibiting the different zooplankton taxa.
英文摘要: Blooms of Microcystis aeruginosa frequently occur in many eutrophic lakes in China, however, there is very little experimental study on the relationship between Microcystis and rotifers from Chinese waters. The effects of different concentrations of toxic M. aeruginosa PCC7820 on two common freshwater rotifers Brachionus calyciflorus and B. rubens were investigated in laboratory experiments. B. calyciflorus was able to utilize this strain of M. aeruginosa as a food source. However, M. aeruginosa suppressed the survival and reproduction of B. calyciflorus at the highest concentration (10(6) cells/ml) probably due to the inadequate nutrition. B. rubens was inhibited by toxic M. aeruginosa PCC7820 and the inhibition increased with the increasing Microcystis concentration. Our study indicates that the two rotifers have different sensitivities to toxic M. aeruginosa and that toxic cyanobacteria may affect zooplankton community structure by differentially inhibiting the different zooplankton taxa.
关键词[WOS]: BLUE-GREEN-ALGAE ; ANABAENA-FLOS-AQUAE ; HERBIVOROUS ZOOPLANKTON ; CYANOBACTERIAL BLOOMS ; DAPHNIA-MAGNA ; LIFE-HISTORY ; CLADOCERANS ; GROWTH ; MECHANISMS ; RESPONSES
语种: 英语
WOS记录号: WOS:000260157800002
ISSN号: 0963-9292
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7984
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, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosystems, Wuhan 430072, Peoples R China
2.S Cent Univ Nationalities, Coll Life Sci, Wuhan 430074, Peoples R China

Recommended Citation:
Geng, Hong; Xie, Ping.Experimental studies on the effects of toxic Microcystis aeruginosa PCC7820 on the survival and reproduction of two freshwater rotifers Brachionus calyciflorus and Brachionus rubens,ECOTOXICOLOGY,2008,17(8):709-715
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文件名: Experimental studies on the effects of toxic Microcystis aeruginosa PCC7820 on the survival and reproduction of two freshwater rotifers Brachionus calyciflorus and Brachionus rubens.pdf
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