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Influence of sunlight on the proliferation of cyanobacterial blooms and its potential applications in Lake Taihu, China
Zhou, Qichao1,2; Chen, Wei1; Shan, Kun1,2; Zheng, Lingling1; Song, Lirong1; Chen, W (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
2014-03-01
Source PublicationJOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
ISSN1001-0742
Volume26Issue:3Pages:626-635
AbstractTo learn the relationship between sunlight intensity and cyanobacterial proliferations for the further control of the heavy blooms, enclosure experiment were conducted in Meiliang Bay, Lake Taihu by regulating the natural light intensities with different shading ratio (0% (full sunlight), 10%, 25%, 50% and 75% of original natural sunlight intensities) from September to November in 2010. The results indicated that phytoplankton biomass (mean) decreased significantly when the shading ratios reached 50% or more. Higher shading ratios (e.g. 75%) were very efficient in controlling the average and total cyanobacterial bloom biomass, while 50% shading ratio was proven very effective either in controlling the peak value of phytoplankton biomass or postponing the occurrence of cyanobacterial blooms in Lake Taihu. In addition, phytoplankton composition and photosynthesis efficiency were also affected by altering the shading ratios, and in turn, they might also act on phytoplankton growth. Based on the results from the present study, intermediate shading strategies such as regulation of water level or turbidity through the hydrology regulations would probably be an effective and efficient method in controlling cyanobacterial blooms in large and shallow lakes.; To learn the relationship between sunlight intensity and cyanobacterial proliferations for the further control of the heavy blooms, enclosure experiment were conducted in Meiliang Bay, Lake Taihu by regulating the natural light intensities with different shading ratio (0% (full sunlight), 10%, 25%, 50% and 75% of original natural sunlight intensities) from September to November in 2010. The results indicated that phytoplankton biomass (mean) decreased significantly when the shading ratios reached 50% or more. Higher shading ratios (e.g. 75%) were very efficient in controlling the average and total cyanobacterial bloom biomass, while 50% shading ratio was proven very effective either in controlling the peak value of phytoplankton biomass or postponing the occurrence of cyanobacterial blooms in Lake Taihu. In addition, phytoplankton composition and photosynthesis efficiency were also affected by altering the shading ratios, and in turn, they might also act on phytoplankton growth. Based on the results from the present study, intermediate shading strategies such as regulation of water level or turbidity through the hydrology regulations would probably be an effective and efficient method in controlling cyanobacterial blooms in large and shallow lakes.
SubtypeArticle
KeywordLight Cyanobacterial Blooms Control Lake Taihu Enclosure Experiment
Department[Zhou, Qichao; Chen, Wei; Shan, Kun; Zheng, Lingling; Song, Lirong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Zhou, Qichao; Shan, Kun] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
DOI10.1016/S1001-0742(13)60457-X
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07101-013]; National High Technology Research and Development Program (863) of China [2009AA063005] ; National Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07101-013]; National High Technology Research and Development Program (863) of China [2009AA063005] ; National Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07101-013]; National High Technology Research and Development Program (863) of China [2009AA063005] ; National Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07101-013]; National High Technology Research and Development Program (863) of China [2009AA063005]
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000333447000017
WOS KeywordMICROCYSTIS-AERUGINOSA ; LIMITED PHYTOPLANKTON ; FLUCTUATING LIGHT ; PHOSPHORUS UPTAKE ; SUBTROPICAL LAKE ; WATER COLUMNS ; SHALLOW LAKE ; GROWTH ; TEMPERATURE ; ALGAE
Funding OrganizationNational Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07101-013]; National High Technology Research and Development Program (863) of China [2009AA063005] ; National Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07101-013]; National High Technology Research and Development Program (863) of China [2009AA063005] ; National Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07101-013]; National High Technology Research and Development Program (863) of China [2009AA063005] ; National Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07101-013]; National High Technology Research and Development Program (863) of China [2009AA063005]
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20109
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorChen, W (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Qichao,Chen, Wei,Shan, Kun,et al. Influence of sunlight on the proliferation of cyanobacterial blooms and its potential applications in Lake Taihu, China[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2014,26(3):626-635.
APA Zhou, Qichao,Chen, Wei,Shan, Kun,Zheng, Lingling,Song, Lirong,&Chen, W .(2014).Influence of sunlight on the proliferation of cyanobacterial blooms and its potential applications in Lake Taihu, China.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,26(3),626-635.
MLA Zhou, Qichao,et al."Influence of sunlight on the proliferation of cyanobacterial blooms and its potential applications in Lake Taihu, China".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 26.3(2014):626-635.
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