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题名: Effects of nitrate and phosphorus on growth and physiological characteristics of Aphanizomenon flos-aquae from Dianchi
作者: Liu Yong-Mei ; Liu Yong-Ding ; Li Dun-Hai ; Shen Yin-Wu
通讯作者: Liu Yong-Mei ; 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:6, 页:774-779
收录类别: 其他
英文摘要: Aphanizomenon flos-aquae (A. flos-aquae) isolated from eutrophic Lake Dianchi was cultured in BG11 medium, and it was maintained al. (25 +/- 1)degrees C (with an illumination of 20 mu E/m(2) center dot s, under it light/dark cycle of 16:8). The growth cycle of A. flos-aquae was approximately 28d and the growth curve was fit well with the typical "S" model. Concentrations of NO3--N and PO43--P may affect the growth of A. flos-aquae with better growth under higher concentration of N and P, but excessive N and P may restrain the growth of A. flos-aquae. Fv/Fm of A. flos-aquae can only affected by the absence or unusually low contents of N and P. Nitrate reductase, acid phosphatase under low concentrations, of N and P were significantly higher than that of the control (cultured in BG11 medium, p < 0.05). Activities of nitrate reductase and acid/alkaline phosphatase were not linear with the changes of N and P concentration. These results indicated that A. flos-aquae could adapt to variant circumstances with different nutritional levels due to their physiological and biochemical strategies.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18181
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Liu Yong-Mei; Liu Yong-Ding; Li Dun-Hai; Shen Yin-Wu.Effects of nitrate and phosphorus on growth and physiological characteristics of Aphanizomenon flos-aquae from Dianchi,Acta Hydrobiologica Sinica,2007,31(6):774-779
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文件名: Effects of nitrate and phosphorus on growth and physiological characteristics of Aphanizomenon flos-aquae from Dianchi.pdf
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