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夏季南海北部沙壳纤毛虫种类组成及空间分布
引用本文:刘华雪,黄良民,谭烨辉,宋星宇,黄建荣,李涛.夏季南海北部沙壳纤毛虫种类组成及空间分布[J].海洋通报(英文版),2010,12(2):38-46.
作者姓名:刘华雪  黄良民  谭烨辉  宋星宇  黄建荣  李涛
作者单位:[1]中国科学院南海海洋所海洋生物资源可持续利用重点实验室,广东广州510301 [2]中山大学生命科学学院,广东广州510275 [3]中国科学院研究生院,北京100049
基金项目:Acknowledgements We grateful acknowledge the captain and crew of the RV "shiyan3" for ship operations. Financia support for this study was provided by the National Science Committee through Grants NSC 40531006 U0633007. 40576052.
摘    要:2007年8月夏季中国科学院南海海洋研究所南海北部开放航次期间,在北纬18°-22°,东经107°-122°范围内使用"实验三号"科考船进行了水体中沙壳纤毛虫的采样研究,探讨了沙壳纤毛虫的空间分布和种类组成。在36个站位中共鉴定出24属44种沙壳纤毛虫,其中优势种为长形旋口虫Helicostomella longa和根突拟铃虫Tintinnopsis radix,沙壳纤毛虫丰度变化范围为0–2200cell/L,平均丰度为221cell/L,从沿岸向外海方向,沙壳纤毛虫种类和丰度逐渐减少,其中A1站丰度最高(2200cell/L),种类数最多(10)。夏季南海北部沙壳纤毛虫丰度与叶绿素a呈显著正相关,而与温度相关性不明显。夏季南海北部的上升流和珠江冲淡水携带的营养盐刺激了浮游植物的生长,影响着南海北部沙壳纤毛虫的种类组成和空间分布。

关 键 词:沙壳纤毛虫  种类组成  空间分布  南海北部

Distribution and composition of tintinnids ciliates in the northern South China Sea during summer
LIU Hua-xue,HUANG Liang-min,TAN Ye-hui,SONG Xing-yu,HUANG Jian-rong,Li Tao.Distribution and composition of tintinnids ciliates in the northern South China Sea during summer[J].Marina Science Bulletin,2010,12(2):38-46.
Authors:LIU Hua-xue  HUANG Liang-min  TAN Ye-hui  SONG Xing-yu  HUANG Jian-rong  Li Tao
Institution:1. South China Sea Institute of Oceanography ,China Academy of Science, Guangzhou 510301, Guangdong Province China; 2. School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, Guangdong Province, China; 3. Graduate University of China Academy of Science, Beijing 100049, China)
Abstract:Tintinnids, which are loricate planktonic ciliates, were enumerated and identified in samples collected from 36 stations between 18°-22°N, 107°-122 °E in northern South China Sea. 44 species belonging to 24 genera of tintinnids were recorded. The dominant species were Helicostomella longa and Tintinnopsis radix. Tintinnid abundance ranged from 0 to 2200 cell/L, average abundance of tintinnids is 221cell/L in the surface water. Tintinnids abundance and species numbers decrease from coast to offshore. Upwelling and Pearl River discharge influenced the distribution by nutrients supply. Maximum abundance (2200 cell/L) occurred in the surface water of station A1, Maximum of species richness (10 species) was also found in A1. Tintinnids abundance showed a positive correlation with chlorophyll a concentration, and no significant correlation was found between tintinnids abundance and temperature.
Keywords:tintinnids  composition  distribution  northern South China Sea
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