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渤海长兴岛海域微型和微微型浮游植物多样性

宋伦 吴景 刘卫东 宋永刚 王年斌

宋伦, 吴景, 刘卫东, 宋永刚, 王年斌. 渤海长兴岛海域微型和微微型浮游植物多样性[J]. 环境科学研究, 2016, 29(11): 1635-1642.
引用本文: 宋伦, 吴景, 刘卫东, 宋永刚, 王年斌. 渤海长兴岛海域微型和微微型浮游植物多样性[J]. 环境科学研究, 2016, 29(11): 1635-1642.
SONG Lun, WU Jing, LIU Weidong, SONG Yonggang, WANG Nianbin. Diversity of Marine Nanophytoplankton and Picophytoplankton in Changxing Island Offshore Waters of Bohai Sea[J]. Research of Environmental Sciences, 2016, 29(11): 1635-1642.
Citation: SONG Lun, WU Jing, LIU Weidong, SONG Yonggang, WANG Nianbin. Diversity of Marine Nanophytoplankton and Picophytoplankton in Changxing Island Offshore Waters of Bohai Sea[J]. Research of Environmental Sciences, 2016, 29(11): 1635-1642.

渤海长兴岛海域微型和微微型浮游植物多样性

基金项目: 辽宁省自然科学基金项目(2014020182);国家自然科学基金项目(31400406);辽宁省海洋与渔业厅科研计划项目(201611)

Diversity of Marine Nanophytoplankton and Picophytoplankton in Changxing Island Offshore Waters of Bohai Sea

  • 摘要: 为研究微型/微微型浮游植物在褐潮生消过程的多样性变化,以18S rDNA V4区作为目标基因,结合高通量测序技术,对2014年5月、7月和2015年5月、7月长兴岛近岸海域海水中微型/微微型浮游植物多样性进行了检测.结果表明,高通量测序技术可有效地检测长兴岛近岸海域海水中微型/微微型浮游植物多样性,自行设计的V4(F/R)引物在微型/微微型浮游植物群落鉴定方面更为高效.2014年5月、7月在长兴岛海域分别检出微型/微微型浮游植物143、165种,2015年5月、7月分别检出123、167种.微型/微微型浮游植物群落中绿藻门相对丰度最高,2014年5月、7月分别为44.5%、65.6%,2015年5月、7月分别为81.8%、73.7%.微型/微微型浮游植物多样性指数和种类数都是同年7月高于5月,说明7月海水中微型/微微型浮游植物群落结构较5月稳定.同时发现了渤海海域的褐潮致灾种微拟球藻(Nannochloris sp.)和金牛微球藻(Ostreococcus tauri),2014年和2015年其平均优势度分别为0.37和0.39;而已发现的褐潮致灾种——抑食金球藻(Aureococcus anophagefferens)在长兴岛海域的4次调查中虽都有检出,但其优势度(平均为0.000 3)较低.

     

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出版历程
  • 收稿日期:  2016-05-09
  • 修回日期:  2016-07-21
  • 刊出日期:  2016-11-25

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