铜绿微囊藻对褶皱臂尾轮虫种群生长的影响
Effects of Microcysis aeruginosa on the Population Growth of Brachionus plicatilis
谢钦铭 1骆和东 2魏施 3江兴龙 1林伟彬3
作者信息
- 1. 集美大学水产学院,福建厦门361021;鳗鲡现代产业技术教育部工程研究中心,福建厦门361021
- 2. 厦门市疾病预防控制中心公共卫生监测科,福建厦门361021
- 3. 集美大学水产学院,福建厦门361021
- 折叠
摘要
[目的]探讨铜绿微囊藻对轮虫种群生长的影响.[方法]先观察单一食物条件下轮虫的成活状况,再用混合食物喂养轮虫,研究混合食料中不同浓度铜绿微囊藻对轮虫种群密度的影响.[结果]单一食物条件下,褶皱臂尾轮虫以小球藻、酵母菌为食时种群持续增长,铜绿微囊藻Ⅰ组轮虫的种群密度能保持6d以上,铜绿微囊藻Ⅱ组褶皱轮虫仅能存活4d,而对照组轮虫能存活7d.在混合食料的培养试验中,当轮虫处于低浓度铜绿微囊藻(1.0×104 cells/mL)的环境时,种群密度的增长前3d不受明显影响,第4天后轮虫种群增长受到一定抑制,而处于高浓度铜绿微囊藻(1.0×106 cells/mL)的环境时轮虫第6天死亡.[结论]该研究结果可为今后研究微球藻对生态的影响提供参考依据.
Abstract
[Objective] To discuss the effects of Microcystis aeruginosa on the population growth of Brachionus plicatilis.[Method] The survival situations of B.plicatilis under the conditions of single food were observed.Then the effects of different concentrations of M.aeruginosa in mixed food on the population density of B.plicatilis were studied.[Result] Under the conditions of single food,B.plicatilis population could maintain sustainable increase with C.vulgaris or Saccharomycete as single food.The population density of B.plicatilis in group Ⅰ of M.aeruginosa could be maintained for more than 6 days,but B.plicatilis in group Ⅱ of M.aeruginosa could only survive for 4 days,and that in control group could survive for 7 days.In the culture under the conditions of mixed food,when the concentration of M.aeruginosa was 1.0 × 104 cells/mL,the density increase of B.plicatilis population was not influenced in the first 3 days,but the density increase of B.plicatilis population was inhibited.When the concentration of M.aeruginosa was 1.0 × 106 cells/mL,B.plicatilis died on the sixth day.[Conclusion] The research results can provide reference basis for studying the effects of M.aeruginosa on the ecology in future.
关键词
铜绿微囊藻/褶皱臂尾轮虫/种群/生长Key words
Microcystis aeruginosa/Brachionus plicatilis/Population/Growth引用本文复制引用
基金项目
福建省自然科学基金(2013J01136)
福建省科技厅区域发展项目(2016N3002)
厦门市科技计划指导项目(ZD2011S0471)
福建省教育厅项目(JA13176)
出版年
2016
国家科技期刊平台
NSTL
维普
万方数据