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题名: Off-flavor compounds from decaying cyanobacterial blooms of Lake Taihu
作者: Ma, Zhimei1; Niu, Yuan1; Xie, Ping1; Chen, Jun1; Tao, Min1; Deng, Xuwei1
通讯作者: Chen, J (reprint author), Chinese Acad Sci, Inst Hydrobiol, Freshwater Ecol & Biotechnol China, Donghu South Rd 7, Wuhan 430072, Peoples R China.
关键词: cyanobacterial blooms ; decay ; taste and odor compounds ; Lake Taihu ; water crisis
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
发表日期: 2013-03-01
DOI: 10.1016/S1001-0742(12)60101-6
卷: 25, 期:3, 页:495-501
收录类别: SCI
文章类型: Article
部门归属: [Ma, Zhimei ; Niu, Yuan ; Xie, Ping ; Chen, Jun ; Tao, Min ; Deng, Xuwei] Chinese Acad Sci, Inst Hydrobiol, Freshwater Ecol & Biotechnol China, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Water Pollution Control and Management Technology Major Project [2012ZX07101-010]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FBZ07]
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: The effect of cyanobacterial bloom decay on water quality and the complete degradation of cyanobacterial blooms in a short period were examined by an enclosure experiment in Gonghu Bay of Lake Taihu, China. Water quality parameters as well as taste and odor compounds during the breakdown of cyanobacterial blooms were measured. Results showed that the decay of cyanobacterial blooms caused anoxic water conditions, decreased pH, and increased nutrient loading to the lake water. The highest concentrations of dimethyl sulfide (DMS), dimethyl trisulfide (DMTS), and beta-cyclocitral were observed in the anoxic water, at 62331.8, 12413.3, and 1374.9 ng/L, respectively. 2-Methylisoborneol was dominant during the live growth phase of cyanobacterial blooms, whereas DMS and DMTS were dominant during the decomposition phase. Dissolved oxygen, pH, and chlorophyll a were negatively correlated with DMS, DMTS, and beta-cyclocitral, whereas total phosphorus, total nitrogen, and ammonium (NH4+-N) were positively correlated with DMS, DMTS, beta-cyclocitral, and beta-ionone. The experimental results suggested that preventing the anaerobic decomposition of cyanobacterial blooms is an important strategy against the recurrence of a malodor crisis in Lake Taihu.
英文摘要: The effect of cyanobacterial bloom decay on water quality and the complete degradation of cyanobacterial blooms in a short period were examined by an enclosure experiment in Gonghu Bay of Lake Taihu, China. Water quality parameters as well as taste and odor compounds during the breakdown of cyanobacterial blooms were measured. Results showed that the decay of cyanobacterial blooms caused anoxic water conditions, decreased pH, and increased nutrient loading to the lake water. The highest concentrations of dimethyl sulfide (DMS), dimethyl trisulfide (DMTS), and beta-cyclocitral were observed in the anoxic water, at 62331.8, 12413.3, and 1374.9 ng/L, respectively. 2-Methylisoborneol was dominant during the live growth phase of cyanobacterial blooms, whereas DMS and DMTS were dominant during the decomposition phase. Dissolved oxygen, pH, and chlorophyll a were negatively correlated with DMS, DMTS, and beta-cyclocitral, whereas total phosphorus, total nitrogen, and ammonium (NH4+-N) were positively correlated with DMS, DMTS, beta-cyclocitral, and beta-ionone. The experimental results suggested that preventing the anaerobic decomposition of cyanobacterial blooms is an important strategy against the recurrence of a malodor crisis in Lake Taihu.
关键词[WOS]: FRESH-WATER ; ODOR COMPOUNDS ; TASTE ; MANAGEMENT ; DYNAMICS ; CHINA ; RIVER ; LYSIS
语种: 英语
WOS记录号: WOS:000318453800010
ISSN号: 1001-0742
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19290
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Freshwater Ecol & Biotechnol China, Wuhan 430072, Peoples R China

Recommended Citation:
Ma, ZM; Niu, Y; Xie, P; Chen, J; Tao, M; Deng, XW.Off-flavor compounds from decaying cyanobacterial blooms of Lake Taihu,JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2013,25(3):495-501
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