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The decline process and major pathways of Microcystis bloom in Taihu Lake, China
Wang Zhicong1,2; Li Guowen1,2; Li Genbao1; Li Dunhai1; Li, DH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2012
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
Volume30Issue:1Pages:37-46
AbstractEutrophication has become a serious concern in many lakes, resulting in cyanobacterial blooms. However, the mechanism and pathways of cyanobacteria decline are less understood. To identify and define the growth and decline of Microcystis blooms in Taihu Lake of China, and to illuminate the destination of surface floating blooms, we investigated the biomass distribution and variations in colony size, morphology, and floating velocity from October 2008 to September 2009. The results showed that the Microcystis bloom declined in response to biomass decrease, colony disaggregation, buoyancy reduction, and increased phytoplankton biodiversity, and these indicative parameters could be applied for recognition of the development phases of the bloom. Three major decline pathways were proposed to describe the bloom decline process, colony disaggregation (Pathway I), colony settlement (Pathway II), and cell lysis in colonies (Pathway III). We proposed a strategy to define the occurrence and decline of Microcystis blooms, to evaluate the survival state under different stress conditions, and to indicate the efficiency of controlling countermeasures against algal blooms.; Eutrophication has become a serious concern in many lakes, resulting in cyanobacterial blooms. However, the mechanism and pathways of cyanobacteria decline are less understood. To identify and define the growth and decline of Microcystis blooms in Taihu Lake of China, and to illuminate the destination of surface floating blooms, we investigated the biomass distribution and variations in colony size, morphology, and floating velocity from October 2008 to September 2009. The results showed that the Microcystis bloom declined in response to biomass decrease, colony disaggregation, buoyancy reduction, and increased phytoplankton biodiversity, and these indicative parameters could be applied for recognition of the development phases of the bloom. Three major decline pathways were proposed to describe the bloom decline process, colony disaggregation (Pathway I), colony settlement (Pathway II), and cell lysis in colonies (Pathway III). We proposed a strategy to define the occurrence and decline of Microcystis blooms, to evaluate the survival state under different stress conditions, and to indicate the efficiency of controlling countermeasures against algal blooms.
SubtypeArticle
KeywordMicrocystis Blooms Decline Pathways Morphological Changes Biomass Distribution Taihu Lake
Department[Wang Zhicong; Li Guowen; Li Genbao; Li Dunhai] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Wang Zhicong; Li Guowen] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
DOI10.1007/s00343-012-1050-x
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Funding OrganizationNational Basic Research Program (973 Program)[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005, 2009ZX07106-001] ; National Basic Research Program (973 Program)[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005, 2009ZX07106-001] ; National Basic Research Program (973 Program)[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005, 2009ZX07106-001] ; National Basic Research Program (973 Program)[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005, 2009ZX07106-001]
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000299040100004
WOS KeywordAPHANIZOMENON-FLOS-AQUAE ; CYANOBACTERIUM MICROCYSTIS ; SUMMER BLOOM ; POPULATION-DYNAMICS ; HYPERTROPHIC LAKE ; SEASONAL-CHANGES ; MEILIANG BAY ; AERUGINOSA ; TEMPERATURE ; SEDIMENT
Funding OrganizationNational Basic Research Program (973 Program)[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005, 2009ZX07106-001] ; National Basic Research Program (973 Program)[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005, 2009ZX07106-001] ; National Basic Research Program (973 Program)[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005, 2009ZX07106-001] ; National Basic Research Program (973 Program)[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005, 2009ZX07106-001]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16753
Collection水环境工程研究中心_期刊论文
Corresponding AuthorLi, DH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang Zhicong,Li Guowen,Li Genbao,et al. The decline process and major pathways of Microcystis bloom in Taihu Lake, China[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2012,30(1):37-46.
APA Wang Zhicong,Li Guowen,Li Genbao,Li Dunhai,&Li, DH .(2012).The decline process and major pathways of Microcystis bloom in Taihu Lake, China.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,30(1),37-46.
MLA Wang Zhicong,et al."The decline process and major pathways of Microcystis bloom in Taihu Lake, China".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 30.1(2012):37-46.
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