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Kinetics of alkaline phosphatase in lake sediment associated with cage culture of Oreochromis niloticus
Zhou Yiyong; Li Jianqiu; Fu Yongqing; Zhang Min; Zhou, YY, Chinese Acad Sci, Inst Hydrobiol, Donghu Lake Ecosyst Expt Stn, Wuhan 430072, Peoples R China
2001
Source PublicationAQUACULTURE
Volume203Issue:1-2Pages:23-32
AbstractVariations in kinetics of alkaline phosphatase occurring in different sites of sediment associated with cage culture of Oreochromis niloticus in a shallow Chinese freshwater lake (Lake Donghu) were described. In addition, the kinetic parameters of each 2.5-cm stratum in the sediment from the surface down to 37.5 cm were analyzed. Horizontally, the V-max values of alkaline phosphatase in surface sediments increased markedly at sites immediately under and adjacent to the cage that would be subjected to the deposition of fish feces. Peak V-max values in the top 5 cm of the sediment under the cage were also observed relative to their deeper control. After a treatment where the fish feces were added over 12 days, the sediment in deeper layer exhibited a significantly higher V-max value, thereby corroborating the relationship between V-max values of alkaline phosphatase and fish feces in sediments. The fish feces exhibited a remarkable alkaline phosphatase activity (APA). Thus, it is indeed a source of the enzyme. Effects of the fish feces were dose- and time-dependent. The V-max values in sediments were always stimulated, but the K-m values showed much more variability. (C) 2001 Elsevier Science B.V. All rights reserved.
KeywordAlkaline Phosphatase Kinetics Cage Culture Fish Feces
DepartmentChinese Acad Sci, Inst Hydrobiol, Donghu Lake Ecosyst Expt Stn, Wuhan 430072, Peoples R China
Subject AreaFisheries ; Marine & Freshwater Biology
Indexed BySCI
Language英语
WOS IDWOS:000172507000003
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Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9914
Collection期刊论文
Corresponding AuthorZhou, YY, Chinese Acad Sci, Inst Hydrobiol, Donghu Lake Ecosyst Expt Stn, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Zhou Yiyong,Li Jianqiu,Fu Yongqing,et al. Kinetics of alkaline phosphatase in lake sediment associated with cage culture of Oreochromis niloticus[J]. AQUACULTURE,2001,203(1-2):23-32.
APA Zhou Yiyong,Li Jianqiu,Fu Yongqing,Zhang Min,&Zhou, YY, Chinese Acad Sci, Inst Hydrobiol, Donghu Lake Ecosyst Expt Stn, Wuhan 430072, Peoples R China.(2001).Kinetics of alkaline phosphatase in lake sediment associated with cage culture of Oreochromis niloticus.AQUACULTURE,203(1-2),23-32.
MLA Zhou Yiyong,et al."Kinetics of alkaline phosphatase in lake sediment associated with cage culture of Oreochromis niloticus".AQUACULTURE 203.1-2(2001):23-32.
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