中尺度涡影响下的南海东北部固氮蓝藻分布及固氮

来源 :第五届全国海洋生态研讨会暨中国生态学学会海洋生态专业委员会2015年学术年会 | 被引量 : 0次 | 上传用户：dza1987

【摘要】

：

中尺度涡可以通过影响水团混合,营养盐供给,初级生产力和生物泵效率而在海洋生物地球化学循环中扮演者重角色。为研究中尺度涡对固氮蓝藻分布及固氮作用的影响,2014年5月对南海东北部进行调查,利用定量PCR法和15N同位素示踪法分别研究受暖涡影响站位的束毛藻、单细胞固氮蓝藻A和B类群的分布,以及表层固氮速率。数据表明,受暖涡影响站位,营养盐和Chla水柱积分浓度降低；三种固氮蓝藻水柱积分丰度和表层固氮速

【作者】

：

刘甲星周林滨谭烨辉刘华健赵春宇柯志新李佳俊姜歆

【机构】

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中国科学院南海海洋研究所,中国科学院热带海洋生物资源与生态重点实验室;广东广州 510301;中国科学院大学,北京 100049

【出处】

：

第五届全国海洋生态研讨会暨中国生态学学会海洋生态专业委员会2015年学术年会

【发表日期】

：

2015年5期

【关键词】

：

中尺度涡固氮速率 nifH 南海东北部

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中尺度涡影响下的南海东北部固氮蓝藻分布及固氮

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