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题名: Studies on the diurnal variation of the odorous compounds and correlated factors in Lake Dalianhua, Wuhan
作者: Li Lin ; Wan Neng ; Gan Nan-Qin ; Song Li-Rong
通讯作者: Li Lin ; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2007
卷: 31, 期:1, 页:112-118
收录类别: 其他
英文摘要: Located in the Park Lianhuahu, Hanyang District, Wuhan I, Lake Dalianhua mainly serves as a public recreation land2 scape and covers an area of about 64000m. In recent years the great damage to the scenic value and economic revenue of Lianhuahu Park have been caused by the frequent outbreak of cyanobacterial bloom and thereby the diffusion of strong off-flavour in the lake. In the paper, the diurnal variation of environmental parameters, algae and odorous compounds in Lake Dalianhua were investigated. The Microcystis was found to be a dominant genus in the lake. The trend of the diurnal variation of biomass of the total algae is the same as that of the dominant algae. Three odorous compounds 2-Methylisoborneol, beta-Cyclocitral and beta-Ionone in the lake were identified by using a GC-MS. The diurnal highest concentration of soluble 2-Methylisoborneol, beta-Cyclocitral and beta-Ionone reached 69.1 ng/L, 32.6ng/L and 453.9ng/L, respectively. Compared the above concentrations with their odor threshold concentrations, it could lie concluded that 2-Methylisoborneol and beta-Ionone were mainly responsible for the strong off-flavours in the lake. Aaveragely, particulate 2-Methylisoborneol, beta-Cyclocitral and beta-Ionone accounted for 70.9%, 74.4% and 81.4% of its total content, respectively, showing that these particulate odorous compounds were the major components among the odorous components in the lake. All the soluble, particulate and total beta-Cyclocitral correlated significantly with the biomass of total algae and Microcystis, particulate beta-Cyclocitral and P-Ionone correlated significantly with the biomass of total algae and light intensity, and particulate 2-MIB had a significant correlation with the biomass of Anabaena.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18293
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Li Lin; Wan Neng; Gan Nan-Qin; Song Li-Rong.Studies on the diurnal variation of the odorous compounds and correlated factors in Lake Dalianhua, Wuhan,Acta Hydrobiologica Sinica,2007,31(1):112-118
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文件名: Studies on the diurnal variation of the odorous compounds and correlated factors in Lake Dalianhua, Wuhan.pdf
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