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Spatial variability of phytoplankton in the Pacific western boundary currents during summer 2014
Chen, Yunyan1,2; Sun, Xiaoxia1,2,3; Zhu, Mingliang1; Zheng, Shan1; Yuan, Yongquan4; Denis, Michel5
2017
发表期刊MARINE AND FRESHWATER RESEARCH
卷号68期号:10页码:1887-1900
文章类型Article
摘要The spatial distribution of phytoplankton was investigated during the summer of 2014 in two different regions of the Pacific western boundary current, namely the Warm Pool near the equator and the subtropical Kuroshio south area. Traditional approaches (size-fractionated chlorophyll-a (Chl-a) and microscopic analyses) combined with single-cell analysis (using a flow cytometer) were used to analyse the whole range of phytoplankton. Flow cytometry analysis resolved five clusters, two belonging to the pico-size fraction and three belonging to the nano-size fraction. Microscopy analysis revealed that the genera Coscinodiscus, Rhizosolenia, Chaetoceros and Ceratium were numerically dominant in the region studied. The lowest values of Chl-a, phytoplankton abundance and carbon biomass were found in the Kuroshio south area. Both Chl-a concentration data and flow cytometry analysis revealed that picophytoplankton were the predominant contributors to phytoplankton in the Pacific western boundary currents. Along the three transects during the summer cruise, Synechococcus and nanocyanobacteria-like organisms numerically dominated in surface waters with higher temperature. In contrast, eukaryotes were primarily distributed in subsurface waters with higher nutrients, especially in the eddy upwelling region mainly associated with the North Equatorial Counter Current. The vertical distribution of phytoplankton over the epipelagic layer reinforces the important role of currents in the north-western Pacific during summer.
关键词Carbon Biomass Flow Cytometry North-western Pacific
DOI10.1071/MF16297
收录类别SCI
语种英语
WOS记录号WOS:000411826800010
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文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/143189
专题海洋生态与环境科学重点实验室
胶州湾海洋生态系统国家野外研究站
作者单位1.Chinese Acad Sci IOCAS, Inst Oceanol, Jiao Zhou Bay Marine Ecosyst Res Stn, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
5.Aix Marseille Univ, Univ Toulon, CNRS INSU, IRD,Inst Mediterrane Oceanol, 163 Ave Luminy,Case 901, F-13288 Marseille 09, France
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Chen, Yunyan,Sun, Xiaoxia,Zhu, Mingliang,et al. Spatial variability of phytoplankton in the Pacific western boundary currents during summer 2014[J]. MARINE AND FRESHWATER RESEARCH,2017,68(10):1887-1900.
APA Chen, Yunyan,Sun, Xiaoxia,Zhu, Mingliang,Zheng, Shan,Yuan, Yongquan,&Denis, Michel.(2017).Spatial variability of phytoplankton in the Pacific western boundary currents during summer 2014.MARINE AND FRESHWATER RESEARCH,68(10),1887-1900.
MLA Chen, Yunyan,et al."Spatial variability of phytoplankton in the Pacific western boundary currents during summer 2014".MARINE AND FRESHWATER RESEARCH 68.10(2017):1887-1900.
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