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PHOTOSYNTHETIC ACTIVITY OF Microcystis IN FISH GUTS AND ITS IMPLICATION FOR FEASIBILITY OF BLOOM CONTROL BY FILTER-FEEDING FISHES
Wang, Zhicong; Li, Zhongjie; Zhou, Yiyong; Li, Dunhai
2015
Source PublicationFRESENIUS ENVIRONMENTAL BULLETIN
ISSN1018-4619
Volume24Issue:7Pages:2384-2393
AbstractIn a background of increasingly frequent and intensive Microcystis blooms occurred in eutrophic lakes, many countries, particularly China, have used filter-feeding fish to control algal blooms according to non-traditional biomanipulation theory. However, there is little information concerning the potential photosynthetic activity of cyanobacteria in the guts of planktivorous fishes. To make a scientific assessment of this algal control technology, we evaluated the effects of digestion by two fish species, silver carp and bighead carp, on the growth potential of Microcystis blooms in terms of photosynthetic activity, metabolic activity, up-floating velocity, morphological size, and toxin production. The results showed that: 1) the potential photosynthetic activity of Microcystis dropped significantly in fish foreguts after ingestion, but gradually increased and recovered in the midgut and hindgut; 2) digestion by planktivorous fish could significantly decrease the colonial size and up-floating velocity of Microcystis; 3) selective digestion by bighead carp caused a sharp rise in cellular microcystin levels; and 4) Microcystis retained a high growth potential after digestion by filter-feeding fish. These results indicate that planktivorous fish could be used for controlling blooms due to the degree of digestion and long retention of Microcystis in fish guts, but the controlling effect was limited because the potential photosynthesis activity of algae gradually recovered along the gut sections and the digested algae could grow normally after subsequent release into lakes. In addition to being less effective at controlling algal blooms than silver carp, the digestion process in bighead carp might confer an advantage to toxic Microcystis species.
SubtypeArticle
KeywordMicrocystis Bloom Filter-feeding Fish Microcystin Photosynthetic Activity
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationNational Science Foundation of China(41230748 ; National Science Foundation of China(41230748 ; State Key Laboratory of Freshwater Ecology and Biotechnology(2011FBZ15) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2011FBZ15) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-004-02) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-004-02) ; 31300391) ; 31300391) ; National Science Foundation of China(41230748 ; National Science Foundation of China(41230748 ; State Key Laboratory of Freshwater Ecology and Biotechnology(2011FBZ15) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2011FBZ15) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-004-02) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-004-02) ; 31300391) ; 31300391)
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS KeywordLAKE TAIHU ; BIGHEAD CARP ; SILVER CARP ; IN-SITU ; AERUGINOSA ; CHINA ; FLUORESCENCE ; REMOVAL ; GROWTH
WOS IDWOS:000363071700015
Funding OrganizationNational Science Foundation of China(41230748 ; National Science Foundation of China(41230748 ; State Key Laboratory of Freshwater Ecology and Biotechnology(2011FBZ15) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2011FBZ15) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-004-02) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-004-02) ; 31300391) ; 31300391) ; National Science Foundation of China(41230748 ; National Science Foundation of China(41230748 ; State Key Laboratory of Freshwater Ecology and Biotechnology(2011FBZ15) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2011FBZ15) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-004-02) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-004-02) ; 31300391) ; 31300391)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27333
Collection水环境工程研究中心
AffiliationChinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zhicong,Li, Zhongjie,Zhou, Yiyong,et al. PHOTOSYNTHETIC ACTIVITY OF Microcystis IN FISH GUTS AND ITS IMPLICATION FOR FEASIBILITY OF BLOOM CONTROL BY FILTER-FEEDING FISHES[J]. FRESENIUS ENVIRONMENTAL BULLETIN,2015,24(7):2384-2393.
APA Wang, Zhicong,Li, Zhongjie,Zhou, Yiyong,&Li, Dunhai.(2015).PHOTOSYNTHETIC ACTIVITY OF Microcystis IN FISH GUTS AND ITS IMPLICATION FOR FEASIBILITY OF BLOOM CONTROL BY FILTER-FEEDING FISHES.FRESENIUS ENVIRONMENTAL BULLETIN,24(7),2384-2393.
MLA Wang, Zhicong,et al."PHOTOSYNTHETIC ACTIVITY OF Microcystis IN FISH GUTS AND ITS IMPLICATION FOR FEASIBILITY OF BLOOM CONTROL BY FILTER-FEEDING FISHES".FRESENIUS ENVIRONMENTAL BULLETIN 24.7(2015):2384-2393.
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