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学科主题: Engineering ; Environmental; Environmental Sciences; Water Resources
题名: Seasonal variation in kinetic parameters of alkaline phosphatase activity in a shallow Chinese freshwater lake (Donghu Lake)
作者: ZHOU YIYONG and ZHOU XINYU
通讯作者: Zhou, YY, CHINESE ACAD SCI,INST HYDROBIOL,WUHAN 430072,PEOPLES R CHINA
关键词: kinetics of alkaline phosphatase ; phosphatase in lake water ; P recycling in lake
刊名: WATER RESEARCH
发表日期: 1997
卷: 31, 期:5, 页:1232-1235
收录类别: SCI
部门归属: WUHAN UNIV HYDRAUL & ELECT ENGN,WUHAN 430072,PEOPLES R CHINA
摘要: Seasonal variation of the kinetic parameters of total alkaline phosphatase activity (APA) was studied in a shallow Chinese freshwater lake (Donghu Lake). At the three experimental stations the values of V-max of APA were higher and the negative correlation between orthophosphate and the total APA specific activity (V-max/Chl.) was stronger during summer (from June to September) P depletion. At the same time, the values of Michaelis constant (K-m) of APA at the three stations decreased. Phytoplankton seem to compensate for their phosphorus deficiency not only by an increase in enzyme production but also by an improved ability to use low substrate concentrations. (C) 1997 Elsevier Science Ltd.
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/10268
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
ZHOU YIYONG and ZHOU XINYU.Seasonal variation in kinetic parameters of alkaline phosphatase activity in a shallow Chinese freshwater lake (Donghu Lake),WATER RESEARCH,1997,31(5):1232-1235
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