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题名: Influence of sunlight on the proliferation of cyanobacterial blooms and its potential applications in Lake Taihu, China
作者: Zhou, Qichao1, 2; Chen, Wei1; Shan, Kun1, 2; Zheng, Lingling1; Song, Lirong1
通讯作者: Chen, W (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
关键词: light ; cyanobacterial blooms ; control ; Lake Taihu ; enclosure experiment
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
发表日期: 2014-03-01
DOI: 10.1016/S1001-0742(13)60457-X
卷: 26, 期:3, 页:626-635
收录类别: SCI
文章类型: Article
部门归属: [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
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: 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]
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: 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.
英文摘要: 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.
关键词[WOS]: MICROCYSTIS-AERUGINOSA ; LIMITED PHYTOPLANKTON ; FLUCTUATING LIGHT ; PHOSPHORUS UPTAKE ; SUBTROPICAL LAKE ; WATER COLUMNS ; SHALLOW LAKE ; GROWTH ; TEMPERATURE ; ALGAE
语种: 英语
WOS记录号: WOS:000333447000017
ISSN号: 1001-0742
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20109
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.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:
Zhou, Qichao; Chen, Wei; Shan, Kun; Zheng, Lingling; Song, Lirong.Influence of sunlight on the proliferation of cyanobacterial blooms and its potential applications in Lake Taihu, China,JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2014,26(3):626-635
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