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Journal of Oceanography

, Volume 73, Issue 5, pp 687–699 | Cite as

Community patterns and temporal variation of picoeukaryotes in response to changes in the Yellow Sea Warm Current

  • Zhimeng Xu
  • Xue Song
  • Min WangEmail author
  • Qian Liu
  • Yong JiangEmail author
  • Hongbing Shao
  • Hongbin Liu
  • Kunpeng Shi
  • Yang Yu
Original Article

Abstract

Picoeukaryotes are important members of the surface ocean microbial community with high diversity and significant temporal and spatial variations in community composition. Little is known about the picoeukaryotic biodiversity and community in the Yellow Sea, where hydrologic conditions are very different with the influence of the Yellow Sea Warm Current (YSWC). Using Illumina high throughput sequencing targeting 18S rDNA, we investigated the composition of picoeukaryotes at a permanent monitoring site in the central Yellow Sea from 2011 to 2013. Alveolata, Stramenopiles, and Archaeplastida were the main super groups found. Prasinophytes were dominant in N-YSWC (not influenced by the YSWC) samples whilst YSWC (influenced by the YSWC) samples were dominated by different groups, such as MALV-II (novel marine Alveolata), MAST-3, MAST-4 (novel marine Stramenopiles), and Dictyochophyceae. N-YSWC samples were grouped together in nMDS (non-metric multidimensional scaling) using the Bray–Curtis method. Distances between each two YSWC samples were greater. Based on indicator operational taxonomic unit (OTU) analysis (IOA), indicator species of the YSWC were represented by Pseudochattonella farcimen, Florenciella parvula within the class Dictyochophyceae, and Phaeocystis cordata within the class Prymnesiophyceae. The findings in our study suggest that picoeukaryotic communities in the central Yellow Sea differ temporally in response to changes in the YSWC.

Keywords

Picoeukaryotic diversity and community Indicator species Temporal differences Yellow Sea 

Notes

Acknowledgements

This study was supported by the National Natural Foundation Science of China (NFSC) (Grants 31500339, 41676178, 41076088); Fundamental Research Funds for the Central University of Ocean University of China (Grant Numbers 201512013, 201564010 and 201512008). We are grateful to the captain and crews of the RV ‘Dong Fang Hong 2’. The authors would like to thank the editor and anonymous reviewers for their constructive comments.

Supplementary material

10872_2017_425_MOESM1_ESM.doc (31 kb)
Supplementary material 1 (DOC 31 kb)

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Copyright information

© The Oceanographic Society of Japan and Springer Japan 2017

Authors and Affiliations

  • Zhimeng Xu
    • 1
  • Xue Song
    • 1
  • Min Wang
    • 1
    • 4
    Email author
  • Qian Liu
    • 1
  • Yong Jiang
    • 1
    Email author
  • Hongbing Shao
    • 1
  • Hongbin Liu
    • 2
  • Kunpeng Shi
    • 1
  • Yang Yu
    • 3
  1. 1.College of Marine Life ScienceOcean University of ChinaQingdaoPeople’s Republic of China
  2. 2.Division of EnvironmentHong Kong University of Science and TechnologyHong KongPeople’s Republic of China
  3. 3.College of Environmental Science and EngineeringOcean University of ChinaQingdaoPeople’s Republic of China
  4. 4.Institute of Evolution and Marine BiodiversityOcean University of ChinaQingdaoPeople’s Republic of China

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