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Blooms of Prorocentrum donghaiense reduced the species diversity of dinoflagellate community
Wang, Huan1,3; Hu, Zhangxi1,2,4; Chai, Zhaoyang1,2,4; Deng, Yunyan1,2,4; Zhan, Zifeng5; Tang, Ying Zhong1,2,4
2020-04-01
Source PublicationACTA OCEANOLOGICA SINICA
ISSN0253-505X
Volume39Issue:4Pages:110-119
Corresponding AuthorTang, Ying Zhong(yingzhong.tang@qdio.ac.cn)
AbstractMost of reported harmful algal blooms (HABs) of microalgae (75%) have been caused by dinoflagellates. Studies on the negative effects of HABs have generally focused on animals, valuable organisms in particular, and environmental factors such as dissolved oxygen and nutrients, but relatively fewer on community level, particularly that using metagenomic approach. In this study, we reported an investigation on the effects of a HAB caused by the dinoflagellate Prorocentrum donghaiense on the species diversity and community structure of the dinoflagellate sub-community via a pyrosequencing approach for the samples taken before, during, and after the bloom season of P. donghaiense in the East China Sea. We sequenced partial 28S rRNA gene of dinoflagellates for the field samples and evaluated the species richness and diversity indices of the dinoflagellate community, as a sub-community of the total phytoplankton. We obtained 800 185 valid sequences (categorized into 560 operational taxonomic units, OTUs) of dinoflagellates from 50 samples and found that the biodiversity of dinoflagellate community was significantly reduced during the blooming period in comparison to that in pre- and after-blooming periods, as reflected in the four diversity indices: the species richness expressed as the number of OTUs, Chao1 index, Shannon index (evenness), and Gini-Simpson index. These four indices were all found to be negatively correlated to the cell density of the bloom species P. donghaiense. Correlation analyses also revealed that the P. donghaiense cell abundance was correlated negatively with NO3- -N, and NO2- -N, but positively with total nitrogen (TN) and total phosphorus (TP). Principal coordinates analysis (PCoA) showed that the community structure of dinoflagellates was markedly different among the different sampling periods, while the redundancy analysis (RDA) revealed P. donghaiense abundance, salinity, NO2- -N, and SiO32 were the most four significant factors shaping the dinoflagellate community structure. Our results together demonstrated that HABs caused by the dinoflagellate P. donghaiense could strongly impact the aquatic ecosystem on the sub-community level which the blooming species belongs to.
KeywordProrocentrum donghaiense dinoflagellate community diversity pyrosequencing East China Sea
DOI10.1007/s13131-020-1585-1
Indexed BySCI
Language英语
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000530540300012
PublisherSPRINGER
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167509
Collection海洋生态与环境科学重点实验室
海洋生物分类与系统演化实验室
Corresponding AuthorTang, Ying Zhong
Affiliation1.Chinese Acad Sci, CAS Key Lab Marine Ecol & Environm Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
5.Chinese Acad Sci, Dept Marine Organism Taxon & Phylogeny, Inst Oceanol, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, Huan,Hu, Zhangxi,Chai, Zhaoyang,et al. Blooms of Prorocentrum donghaiense reduced the species diversity of dinoflagellate community[J]. ACTA OCEANOLOGICA SINICA,2020,39(4):110-119.
APA Wang, Huan,Hu, Zhangxi,Chai, Zhaoyang,Deng, Yunyan,Zhan, Zifeng,&Tang, Ying Zhong.(2020).Blooms of Prorocentrum donghaiense reduced the species diversity of dinoflagellate community.ACTA OCEANOLOGICA SINICA,39(4),110-119.
MLA Wang, Huan,et al."Blooms of Prorocentrum donghaiense reduced the species diversity of dinoflagellate community".ACTA OCEANOLOGICA SINICA 39.4(2020):110-119.
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