| 长江口2005年4个航次中大型砂壳纤毛虫的水平分布 |
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| 引用本文： | 张武昌,王克,肖天.长江口2005年4个航次中大型砂壳纤毛虫的水平分布[J].海洋科学,2009,33(7):6-9. |
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| 作者姓名： | 张武昌 王克 肖天 |
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| 作者单位： | 中国科学院,海洋研究所,海洋生态与环境科学重点实验室,山东,青岛,266071 |
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| 基金项目： | 国家自然科学基金，国家重点基础研究发展规划(973计划)，国家基金委刨新研究群体科学基金 |
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| 摘 要： | 研究了2005年4个季度用浅海Ⅲ型网在长江口40个站位采集的浮游生物样品,发现砂壳纤毛虫11种:Codonellopsis ostenfeldi,C.parva,Eutintinnus tenuis,Favella panamensis,Leprotintinnus nordqvisti,Leprotintinnus sp.,Tintinnopsis japonica,T. karajacensis,T. mortensenii,T. radix,T. schotti.Leprotintinnus sp.,最大丰度可达32 400个/m3,有的种的最大丰度不足200个/m3,如Codonellopsis parva,E. tenuis和T.mortensenii.冬季T.japonica主要分布于长江口外,Leprotintinnus sp.在春、夏、秋季都主要分布于长江口外,其他种的分布没有明显规律.在4个季度长江口内都没有发现砂壳纤毛虫.
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| 关 键 词： | 砂壳纤毛虫 丰度 长江口 |
| 收稿时间： | 2008/3/19 0:00:00 |
| 修稿时间： | 2008/6/10 0:00:00 |
Horizontal distribution of large tintinnids in Yangtze River |
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| ZHANG Wu-chang,WANG Ke and XIAO Tian.Horizontal distribution of large tintinnids in Yangtze River[J].Marine Sciences,2009,33(7):6-9. |
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| Authors: | ZHANG Wu-chang WANG Ke and XIAO Tian |
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| Abstract: | Species composition and abundance of large tintinnids (>76 μm) in the Yangtze River estuary were studied in four seasonal cruises in 2005. Samples were taken by vertically towing a Shallow Water III plankton net from bottom to surface. Totally 11 tintinnid species were found: Codonellopsis ostenfeldi, C. parva, Eutintinnus tenuis , Favella panamensis , Leprotintinnus nordqvisti , Leprotintinnus sp., Tintinnopsis japonica, T. karajacensis,T. mortensenii, T. radix, and T. schotti. Maximum abundance of Leprotintinnus sp. was 32400 ind./m3 while maximum abundance of some species was lower than 200 ind./m3 (C. parva, E. tenuis and T. mortenseniO, And T.japonica mainly distributed in the area out of Yangtze River mouth in winter. Leprotintinnus sp. occurred in the area out of Yangtze River mouth in spring, summer and autumn. No tintinnid was found inside the Yangtze River in the four cruises. |
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| Keywords: | Tintinnid abundance Yangtze River estuary |
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