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东海束毛藻Trichodesmium分布特征
张昊飞,秦玉涛,邓邦平,程祥圣,蒋晓山
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(国家海洋局东海环境监测中心,上海 201206;海洋赤潮灾害立体监测技术与应用国家海洋局重点实验室,上海 201206)
摘要:
根据2006年8月和2007年1月两个航次的调查,在15条断面91个调查站点共获取浮游植物样品182个,基于形态分类的方法对浮游植物样品进行了鉴定分析,发现东海蓝藻赤潮藻类束毛藻由薛氏束毛藻(Trichodesmium thiebautii)、汉氏束毛藻(T. erythraeum)和红海束毛藻(T. hildebrandii)组成,其中薛氏束毛藻占优势,其次是汉氏束毛藻和红海束毛藻。夏冬季节,束毛藻分布趋势一致,呈现近海和黑潮流经海域高、其它海域低的特点,温度和营养物质是束毛藻分布的主要控制因子。
关键词:  海洋生物学  束毛藻  分布特征  东海
DOI:10.3969/J.ISSN.2095-4972.2019.02.012
基金项目:国家重点研发计划课题资助项目(2017YFC1404305);上海市科学技术委员会长三角联合攻关资助项目(062358101)
Distribution characteristics of Trichodesmium in the East China Sea
ZHANG Hao-fei,QIN Yu-tao,DENG Bang-ping,CHENG Xiang-sheng,JIANG Xiao-shan
(East China Sea Environmental Monitoring Center, SOA, Shanghai 201206, China;Key Laboratory of Integrated Monitoring and Applied Technology for Marine Harmful Algal Blooms, SOA, Shanghai 201206, China)
Abstract:
According to two surveys conducted in August 2006 and January 2007, a total of 182 phytoplankton samples were obtained at 91 survey sites across 15 sections. Phytoplankton samples were identified and analyzed based on morphological classification methods. It was discovered that the Trichodesmium in East China Sea consisted of Trichodesmium thiebautii,T. erythraeum and T. hildebrandii, among which T. thiebautiiwas the dominant species. In summer and winter, the distribution patterns of Trichodesmium spp. were quite similar and the densities were high in the offshore waters and in the Kuroshio waters compared with other areas. Temperature and nutrients were important controlling factors for the distribution.
Key words:  marine biology  Trichodesmium  distribution characteristics  East China Sea

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