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题名: Spatiotemporal dynamics and related affecting factors of summer algal blooms in Xiangxi Bay of Three Gorges Reservoir
作者: Wang Lan (wanglan@ihb.ac.cn) ; Cai Qing-hua (qhcai@ihb.ac.cn) ; Zhang Min ; Tan Lu ; Xu Yao-yang ; Kong Ling-hui
通讯作者: Wang Lan ; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
刊名: Yingyong Shengtai Xuebao
发表日期: 2009
卷: 20, 期:8, 页:1940-1946
收录类别: 其他
英文摘要: In June - August 2008, the cyanobacterial bloom and chlorophycean bloom broke out one after the other in the Xiangxi Bay of Three Gorges Reservoir. Based on the weekly monitoring in summer in the Bay, and by using cluster analysis and discriminant analysis, the spatiotemporal dynamics and related affecting factors of the two blooms were studied. Each of the blooms could be divided into non-bloom group, transitional group, and bloom group. The two blooms had different uptake levels of dissolved Si (DSi), NO3- -N + NO2- -N, and PO43- -P. Cyanobacterial bloom had lower DSi concentration and lower TN/TP, DSi/TN and DSi/TP ratios than chlorophycean bloom. The discriminant factors of cyanobacterial bloom were Chl a, TN and PO43- -P, while those of cblorophycean bloom were Chl a and DSi. Better discriminant results were obtained when dividing each bloom into non-bloom group and bloom group. The critical value of Chl a for cyanobacterial bloom and chlorophycean bloom was 40 and 20 mu g . L-1, respectively.
ISSN号: 1001-9332
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18641
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Wang Lan (wanglan@ihb.ac.cn) ; Cai Qing-hua (qhcai@ihb.ac.cn) ; Zhang Min; Tan Lu; Xu Yao-yang; Kong Ling-hui.Spatiotemporal dynamics and related affecting factors of summer algal blooms in Xiangxi Bay of Three Gorges Reservoir,Yingyong Shengtai Xuebao,2009,20(8):1940-1946
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文件名: Spatiotemporal dynamics and related affecting factors of summer algal blooms in Xiangxi Bay of Three Gorges Reservoir.pdf
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