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引用本文:沈英嘉,陈德辉.不同光照周期对铜绿微囊藻和绿色微囊藻生长的影响.湖泊科学,2004,16(3):285-288. DOI:10.18307/2004.0316
SHEN Yingjia,CHEN Dehui.Effect of Different Light Cycle on Growth of Microcystis aeruginosa and Microcystis viridis. J. Lake Sci.2004,16(3):285-288. DOI:10.18307/2004.0316
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不同光照周期对铜绿微囊藻和绿色微囊藻生长的影响
沈英嘉, 陈德辉
上海师范大学生命与环境科学学院, 上海200234
摘要:
研究了不同光照周期对铜绿微囊藻(Microcystis aeruginosa)和绿色微囊藻(Microcystis viridis)生长的影响.按光照周期不同将两种微囊藻各分为五组处理组I[2L/22D]、Ⅱ[5L/19D]、Ⅲ[7L/17D]、Ⅳ[9L/15D]、对照组[12L/12D], 试验期为20d.试验表明铜绿微囊藻实验中处理组Ⅳ[9L/15D]的比增长率和最大细胞数均最大, 超过了对照组[12L/12D].绿色微囊藻实验中对照组[12L/12D]的最大细胞数和比增长率最大.随光照周期的延长两种微囊藻的最大细胞数有增加的趋势.绿色微囊藻对光照周期较铜绿微囊藻敏感.两种微囊藻在每日2h的光照周期下生长均受到抑制.
关键词:  光照周期  铜绿微囊藻  绿色微囊藻  生长影响
DOI:10.18307/2004.0316
分类号:
基金项目:
Effect of Different Light Cycle on Growth of Microcystis aeruginosa and Microcystis viridis
SHEN Yingjia, CHEN Dehui
College of Life and Environment Sciences, Shanghai Teachers University, Shanghai 200234, P.R.China
Abstract:
This paper dealt with the effect of different light cycle on growth of M. aeruginosa and M. viridis. According to the light cycle, both species was divided into five treatments: [2L/22D], [5L/19D], [7L/17D], [9L/15D] and controlled [12L/12D];and the experiment was lasted 20 days. The results showed that the treatment [9L/15D] of M. aeruginosa had the highest μmax and bmax whiel M. viridis had the highest μmax and bmax in the controlled treatment [12L/12D]. The μmax and bmax of both species increased following the increasing rate of light cycle.
Key words:  Light cycle  Microcystis aeruginosa  Microcystis viridis effect on growth
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