| 中国黄渤海春秋季今生颗石藻 |
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| 引用本文： | 谨华龙,冯媛媛,李晓倩,翟惟东,孙军.中国黄渤海春秋季今生颗石藻[J].海洋学报(英文版),2015,34(10):132-146. |
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| 作者姓名： | 谨华龙 冯媛媛 李晓倩 翟惟东 孙军 |
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| 作者单位： | 天津科技大学海洋与环境学院, 天津 300457;天津科技大学天津市海洋资源与化学重点实验室, 天津 300457,天津科技大学海洋与环境学院, 天津 300457;天津科技大学天津市海洋资源与化学重点实验室, 天津 300457,天津科技大学海洋与环境学院, 天津 300457;天津科技大学天津市海洋资源与化学重点实验室, 天津 300457,近岸海域生态环境重点实验室(国家海洋局), 国家海洋环境监测中心, 大连 116023,天津科技大学海洋与环境学院, 天津 300457;天津科技大学天津市海洋资源与化学重点实验室, 天津 300457 |
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| 基金项目： | The Program for New Century Excellent Talents in University under contract No. NCET-12-1065; the National Natural Science Foundation of China under contract Nos 41176136, 41276124, 40776093 and 40676089 to Sun Jun; the National Natural Science Foundation of China under contract No. 41306118 to Feng Yuanyuan. |
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| 摘 要： | The living coccolithophores(LCs) are an important class of calcified taxa of phytoplankton functional groups,and major producers of marine biogenic inorganic carbon,playing an important role in the marine carbon cycle.In this study,we report the two-demensional abundance,composition of LCs and its correlation with the environmental parameters in spring and autumn,in order to understand the ecological role of LCs in the Yellow Sea and the Bohai Sea.In spring,totally 9 taxa belonging to coccolithophyceae were identified using a polarized microscope at the 1 000× magnification.The dominant species were Emiliania huxleyi,Gephyrocapsa oceanica,Helicosphaera carteri,and Calcidiscus leptoporus.The abundance of coccosphores and coccoliths ranged 0–7.72cells/m L,and 0–216.09 coccoliths/m L,with the average values of 0.21 cells/m L,and 11.36 coccoliths/m L,respectively.The Emiliania huxleyi distribution was similar to Gephyrocapsa oceanica.The highest abundance of coccoliths was observed in the east of Shandong Peninsula in northern Yellow Sea,whereas Helicosphaera carteri distributed more widely.Emiliania huxleyi and Gephyrocapsa oceanica were the two predominant species in LCs with higher abundances.The distribution of LCs was similar to that of coccoliths.In autumn,14 taxa belonging to coccolithophyceae were identified with dominant species as Emiliania huxleyi,Gephyrocapsa oceanica,Helicosphaera carteri,Calcidiscus leptoporus and Oolithotus fragilis.The abundance of coccosphores and coccoliths ranged 0–24.69 cells/m L,and 0–507.15 coccoliths/m L,with the average values of 1.47 cells/m L,and55.89 coccoliths/m L,respectively.The highest abundance of coccoliths was located in Qingdao coastal waters and south of the survey area.The distribution of LCs was similar to the coccoliths; in addition,LCs presented large abundance in the east of the central Yellow Sea area.
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| 关 键 词： | 今生颗石藻 渤海 黄海 春季 秋季 |
| 收稿时间： | 2014/1/23 0:00:00 |
| 修稿时间： | 4/1/2014 12:00:00 AM |
Spring and autumn living coccolithophores in the Bohai Sea and Yellow Sea, China |
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| JIN Hualong,FENG Yuanyuan,LI Xiaoqian,ZHAI Weidong and SUN Jun.Spring and autumn living coccolithophores in the Bohai Sea and Yellow Sea, China[J].Acta Oceanologica Sinica,2015,34(10):132-146. |
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| Authors: | JIN Hualong FENG Yuanyuan LI Xiaoqian ZHAI Weidong and SUN Jun |
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| Institution: | 1.College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China;Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China2.National Marine Environmental Monitoring Center, State Oceanic Administration, Dalian 116023, China |
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| Abstract: | The living coccolithophores (LCs) are an important class of calcified taxa of phytoplankton functional groups, and major producers of marine biogenic inorganic carbon, playing an important role in the marine carbon cycle. In this study, we report the two-demensional abundance, composition of LCs and its correlation with the environmental parameters in spring and autumn, in order to understand the ecological role of LCs in the Yellow Sea and the Bohai Sea. In spring, totally 9 taxa belonging to coccolithophyceae were identified using a polarized microscope at the 1 000× magnification. The dominant species were Emiliania huxleyi, Gephyrocapsa oceanica, Helicosphaera carteri, and Calcidiscus leptoporus. The abundance of coccosphores and coccoliths ranged 0-7.72 cells/mL, and 0-216.09 coccoliths/mL, with the average values of 0.21 cells/mL, and 11.36 coccoliths/mL, respectively. The Emiliania huxleyi distribution was similar to Gephyrocapsa oceanica. The highest abundance of coccoliths was observed in the east of Shandong Peninsula in northern Yellow Sea, whereas Helicosphaera carteri distributed more widely. Emiliania huxleyi and Gephyrocapsa oceanica were the two predominant species in LCs with higher abundances. The distribution of LCs was similar to that of coccoliths. In autumn, 14 taxa belonging to coccolithophyceae were identified with dominant species as Emiliania huxleyi, Gephyrocapsa oceanica, Helicosphaera carteri, Calcidiscus leptoporus and Oolithotus fragilis. The abundance of coccosphores and coccoliths ranged 0-24.69 cells/mL, and 0-507.15 coccoliths/mL, with the average values of 1.47 cells/mL, and 55.89 coccoliths/mL, respectively. The highest abundance of coccoliths was located in Qingdao coastal waters and south of the survey area. The distribution of LCs was similar to the coccoliths; in addition, LCs presented large abundance in the east of the central Yellow Sea area. |
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| Keywords: | living coccolithophores Bohai Sea Yellow Sea spring autumn |
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