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Effects of submerged macrophytes on kinetics of alkaline phosphatase in Lake Donghu - I. Unfiltered water and sediments
Zhou, YY; Li, JQ; Fu, YQ; Zhou, YY, Chinese Acad Sci, Lake Donghu Ecosyst Expt Stn, Inst Hydrobiol, Wuhan 430072, Peoples R China
2000
Source PublicationWATER RESEARCH
Volume34Issue:15Pages:3737-3742
AbstractThe 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.
KeywordKinetics Of Alkaline Phosphatase Phosphatase In Lake Submerged Macrophytes p Cycling
DepartmentChinese Acad Sci, Lake Donghu Ecosyst Expt Stn, Inst Hydrobiol, Wuhan 430072, Peoples R China
Subject AreaEngineering ; Environmental ; Environmental Sciences ; Water Resources
Indexed BySCI
WOS IDWOS:000089492100006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/10084
Collection期刊论文
Corresponding AuthorZhou, YY, Chinese Acad Sci, Lake Donghu Ecosyst Expt Stn, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Zhou, YY,Li, JQ,Fu, YQ,et al. Effects of submerged macrophytes on kinetics of alkaline phosphatase in Lake Donghu - I. Unfiltered water and sediments[J]. WATER RESEARCH,2000,34(15):3737-3742.
APA Zhou, YY,Li, JQ,Fu, YQ,&Zhou, YY, Chinese Acad Sci, Lake Donghu Ecosyst Expt Stn, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2000).Effects of submerged macrophytes on kinetics of alkaline phosphatase in Lake Donghu - I. Unfiltered water and sediments.WATER RESEARCH,34(15),3737-3742.
MLA Zhou, YY,et al."Effects of submerged macrophytes on kinetics of alkaline phosphatase in Lake Donghu - I. Unfiltered water and sediments".WATER RESEARCH 34.15(2000):3737-3742.
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