IOCAS-IR  > 海洋生态与环境科学重点实验室
Molecular diversity and ecological characteristics of the eukaryotic phytoplankton community in the coastal waters of the Bohai Sea, China
Xu, Xin1,2,3; Yu, Zhiming1,2; Cheng, Fangjin1; He, Liyan1,2; Cao, Xihua1,2; Song, Xiuxian1,2
2017
Source PublicationHARMFUL ALGAE
Volume61Pages:13-22
SubtypeArticle
AbstractBrown tides caused by the picophytoplankton Aureococcus anophagefferens have been observed in the Bohai Sea, China on a regular basis, which should be relative with the change in phytoplankton community structure. To better understand this change in the coastal waters of the Bohai Sea, we sequenced 18S rDNA genes extracted from field samples collected from April through October 2013 and evaluated the composition and relative abundance of the eukaryotic phytoplankton community. Most of the operational taxonomy units (OTUs) belonged to Dinophyceae and their sequences were relatively abundant. In late spring and early summer, Mamiellophyceae (chlorophytes), Cryptophyceae (cryptophytes) and Mediophyceae (diatoms) comprised a high proportion of total algal abundance. Small phytoplankton (pico- or nano-sized) were highly abundant in our work, which might dominate the phytoplankton community and provide a 'background' for the formation of A. anophagefferens brown tides and other small-celled algal blooms. A total of 71 algal species were identified, among which 34 were new records. Further analysis revealed that half of the identified species were known bloom forming or toxic algae, including 11 harmful algal species that were previously undetected or unreported in the Bohai Sea. Most of these harmful species are mixotrophs, which provides a competitive advantage during the formation of harmful algal blooms (HABs). In conclusion, our work provides a detailed evaluation of eukaryotic phytoplankton diversity and dynamics in the Bohai Sea, suggesting the need for long-term monitoring to further study and guard against the potential risk of HABs. (C) 2016 Elsevier B.V. All rights reserved.
KeywordEukaryotic Phytoplankton Community Molecular Diversity Ecological Characteristics 18s Rdna Bohai Sea
DOI10.1016/j.hal.2016.11.005
Indexed BySCI
Language英语
WOS IDWOS:000392890000002
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136308
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author Affilication中国科学院海洋研究所
Recommended Citation
GB/T 7714
Xu, Xin,Yu, Zhiming,Cheng, Fangjin,et al. Molecular diversity and ecological characteristics of the eukaryotic phytoplankton community in the coastal waters of the Bohai Sea, China[J]. HARMFUL ALGAE,2017,61:13-22.
APA Xu, Xin,Yu, Zhiming,Cheng, Fangjin,He, Liyan,Cao, Xihua,&Song, Xiuxian.(2017).Molecular diversity and ecological characteristics of the eukaryotic phytoplankton community in the coastal waters of the Bohai Sea, China.HARMFUL ALGAE,61,13-22.
MLA Xu, Xin,et al."Molecular diversity and ecological characteristics of the eukaryotic phytoplankton community in the coastal waters of the Bohai Sea, China".HARMFUL ALGAE 61(2017):13-22.
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