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厦门西海域水体中碱性磷酸酶活力分布及其影响因子分析

, PP. 62-68

Keywords: 碱性磷酸酶,浮游植物,细菌,厦门西海域,影响因子

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Abstract:

1993年8和11月,1994年3,5和10月,应用荧光法测定了厦门西海域水体中各载体相(浮游植物、细菌和游离态)碱性磷酸酶活力(APA),结果表明:APA呈较为明显的季节变动,总APA表现为夏季(1993年8月)最高,春(1994年5月)秋(1993年11月)最低;结果亦显示,该海域浮游植物和海水是碱性磷酸酶的主要载体,平均分别占44.7%和40.5%;与环境因子的相关分析表明,各形态磷,硝态氮、溶解氧、化学耗氧量、初级生产力、细菌生长速率(BP)对APA有较明显的影响;其中除BP与APA成正相关外,其余均为负相关。还对碱性磷酸酶作为水体磷状况的指示和在磷的生物地球化学循环的作用进行了初步讨论。

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