高温热浪下北京城市水体典型蓝绿藻生长规律研究

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摘要:

以北京城市水体为媒介,在高温热浪条件下,研究温度和碱度两个变化因子对铜绿微囊藻和蛋白核小球藻生长规律的影响.结果表明:铜绿微囊藻对温度和碱度变化的适应能力较强,其最适温度为35℃,且添加10mmol/L的碱度条件下生长较好;蛋白核小球藻对高温的耐受能力不如铜绿微囊藻,其最适温度为30℃,且低温时低碱度水平促进生长,随着温度的升高,需要同时提高水体的碱度才能保证蛋白核小球藻的旺盛繁殖,否则就会产生一定程度的抑制作用.

Taking Beijing urban water as medium,the effects of the growth pattern of Microcystis aeruginosa and Chlorella pyrenoidosa at different levels of temperature and alkalinity were studied under the heat wave scenarios.The results showed that Microcystis aeruginosa had strong abilities to adapt to the change of temperature and alkalinity,and its optimum growth temperature was 35 ℃,and it was better to grow when added the alkalinity of 10mmol/L.The tolerance of Chlorella pyrenoidosa for high temperature was worse than Microcystis aeruginosa,and the optimum temperature of Chlorella pyrenoidosa was 30 ℃.In addition,low alkalinity level promoted the growth of Chlorella pyrenoidosa when the temperature was low.With the increasing of temperature,improving the alkalinity of water was needed to ensure the strong proliferation of Chlorella pyrenoidosa at the same time;otherwise it would produce a certain degree of inhibition.

作者:

张君枝邱丽佳张艳娜马文林张质明洪辛璐李卓霖

机构地区:

北京建筑大学北京应对气候变化研究和人才培养基地中国石油勘探开发研究院

出处:

《betway官方app 学报：自然科学版》 CAS 北大核心 2016年第2期89-94,共6页

基金:

国家自然科学基金青年科学基金项目(51408022) 北京市优秀人才培养资助项目(2013D005017000009) 北京市自然科学基金项目(8154044)

关键词:

高温热浪典型蓝绿藻生长规律

heat wave typical Cyanobacteria and Chlorophyta growth pattern

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