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水体酸化对藻类影响的初步研究
Authors
况琪军,夏宜琤
Publication date
1 January 1991
Publisher
Abstract
通过综合生态模拟(微宇宙)试验和藻类生物测试,研究了水体酸化对藻类的影响,结果表明,水体酸化对藻类有明显的抑制作用。48h-EC50和96h-EC50(对斜生栅藻)分别为pH4.45和4.65,当pH≥5.5时,藻类的光合作用对酸度具有很强的缓冲能力。当pH<5.0时,缓冲能力较弱。低pH对淡水生态系统的阈值处在5.0—5.5间,pH5.5可推荐为水体酸化标准。研究了两个小型酸化水体(pH4.7)中的藻类群落特征
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 15/03/2018