Composition and genetic diversity of picoeukaryotes in the northeastern South China Sea during the Luzon winter bloom
文献类型： 外文期刊
作者： Li, Jiajun 1 ; Zhang, Kui 1 ; Ke, Zhixin 3 ; Liu, Jiaxing 3 ; Tan, Yehui 3 ; Chen, Zuozhi 1 ; Liu, Huaxue 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Sustainable Utilizat Open Sea Fishery, Guangzhou 510300, Peoples R China
3.Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510300, Peoples R China
4.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab Sustainable Utilizat Open Sea Fishery, Minist Agr, Guangzhou, Peoples R China
关键词： Picoeukaryote; Northeastern south china sea; Kuroshio intrusion; Luzon winter bloom; 18S rDNA; Mamiellophyceae
期刊名称：REGIONAL STUDIES IN MARINE SCIENCE （ 影响因子：2.166； 五年影响因子：2.24 ）
ISSN： 2352-4855
年卷期： 2023 年 57 卷
页码：
收录情况： SCI
摘要： We analyzed picoeukaryotes during the Luzon winter bloom, in combination with remote sensing, flow cytometry and high throughput sequencing. Satellite images showed a seasonal increase in phytoplankton in the study area during winter, and the in situ campaign observed an extremely high abundance of photosynthetic picoeukaryotes, which were the main contributors to the total phytoplankton biomass. Auto-and mixotrophic picoalgae (Chlorophyta, Ochrophyta, and Dinophyta), heterotrophic flagellates (Radiolaria) and parasites (Syndiniale) were found to be potentially numerous components of picoeukaryote communities. Overall, auto-and mixotrophic photosynthetic picoeukary-otes were mainly distributed in the upper layers (0-100 m) while heterotrophic flagellates and parasites dominated the deep layers (200-300 m). The Kuroshio-induced upwelling stimulated the growth of photosynthetic picoeukaryotes, which mainly belonged to Chlorophyta, especially the class Mamiellophyceae.(c) 2022 Elsevier B.V. All rights reserved.
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