中国科学院水生生物研究所机构知识库
Advanced  
IHB OpenIR  > 中科院水生所知识产出(2009年前)  > 期刊论文
学科主题: Limnology; Marine & Freshwater Biology
题名: KINETICS OF SIZE-FRACTIONATED AND DISSOLVED ALKALINE-PHOSPHATASE IN A FARM POND
作者: ZHOU, YY ; DODDS, WK
通讯作者: ZHOU, YY, KANSAS STATE UNIV,DIV BIOL,ACKERT HALL,MANHATTAN,KS 66502
关键词: PHOSPHORUS-COMPOUNDS ; OLIGOTROPHIC LAKE ; PHYTOPLANKTON ; LIMITATION ; AMMONIUM ; NITROGEN ; WATERS
刊名: ARCHIV FUR HYDROBIOLOGIE
发表日期: 1995
卷: 134, 期:1, 页:93-102
收录类别: SCI
部门归属: CHINESE ACAD SCI,INST HYDROBIOL,WUHAN 430072,PEOPLES R CHINA
摘要: Nutrient addition bioassays were conducted in 10 L carboys with water from a eutrophic farm pond. The four bioassay treatments each conducted in triplicate were control (no nutrients added), +N (160 mu mol L(-1) NH4Cl), +P (10 mu mol L(-1) KH2PO4), and N+P (160 mu mol L(-1) NH4Cl and 10 mu mol L(-1) KH2PO4). The size fractionated (0.2-0.8, 0.8-3, > 3 mu m) contents of the carboys were analyzed after 7 d for alkaline phosphatase activity (APA) and chlorophyll-a content. Chlorophyll data suggested P deficiency in ammonium and control mesocosms and no P deficiency with phosphate additions. Pond water also was collected in June, August, October, and March for measurement of APA. In water from the pond, the greatest V-max of APA usually was associated with microorganisms in the size classes between 0.8-3 mu m. In mesocosm experiments, the N+P treatment increased V-max of dissolved and particulate associated APA in the 0.2-0.8 mu m size range and in dissolved form. The V-max of APA in the largest size-fraction (> 3 mu m) increased markedly with P deficiency (+N treatment) and decreased in the P-enrichment treatment. The patterns of APA and chlorophyll associated with different size fractions often varied independently among different treatments and seasons and not always as a function of P deficiency, indicating the difficulty of attempting to normalize APA to phytoplankton biomass or chlorophyll. The Michaelis half saturation constant of APA in the pond water showed no strong trends with varied seasons or size fraction.
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/10302
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

Files in This Item:

There are no files associated with this item.


Recommended Citation:
ZHOU, YY; DODDS, WK.KINETICS OF SIZE-FRACTIONATED AND DISSOLVED ALKALINE-PHOSPHATASE IN A FARM POND,ARCHIV FUR HYDROBIOLOGIE,1995,134(1):93-102
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[ZHOU, YY]'s Articles
[DODDS, WK]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[ZHOU, YY]‘s Articles
[DODDS, WK]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2017  中国科学院水生生物研究所 - Feedback
Powered by CSpace