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学科主题: Engineering ; Environmental; Environmental Sciences; Water Resources
题名: Effects of submerged macrophytes on kinetics of alkaline phosphatase in Lake Donghu - I. Unfiltered water and sediments
作者: Zhou, YY ; Li, JQ ; Fu, YQ
通讯作者: Zhou, YY, Chinese Acad Sci, Lake Donghu Ecosyst Expt Stn, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: kinetics of alkaline phosphatase ; phosphatase in lake ; submerged macrophytes ; P cycling
刊名: WATER RESEARCH
发表日期: 2000
卷: 34, 期:15, 页:3737-3742
收录类别: SCI
部门归属: Chinese Acad Sci, Lake Donghu Ecosyst Expt Stn, Inst Hydrobiol, Wuhan 430072, Peoples R China
摘要: The impacts of submerged macrophytes on kinetics of alkaline phosphatase were studied in two 680 m(2) enclosures in a shallow Chinese freshwater lake (Donghu Lake) from April to October 1996, and two experimental pools (120 m(2)) built inland in 1998. The submerged macrophytes were Vallisneria sp, Potamogeton crispus. In the presence of macrophytes, the concentration of orthophosphate was significantly lower, coupled with the decreasing function of organic P hydrolysis, in terms of lower V-max and higher K-m values of aIkaline phosphatase in water, filtered and unfiltered (0.45 mu m); in the interstitial water, the V-max values of the enzyme in sediments were significantly lower, exhibited by a spatial and vertical profile. The results implied the key role of submerged macrophytes was the retention of P nutrients. (C) 2000 Elsevier Science Ltd. All rights reserved.
WOS记录号: WOS:000089492100006
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/10084
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, YY; Li, JQ; Fu, YQ.Effects of submerged macrophytes on kinetics of alkaline phosphatase in Lake Donghu - I. Unfiltered water and sediments,WATER RESEARCH,2000,34(15):3737-3742
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