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Spatial and seasonal distributions of bacterioplankton in the Pearl River Estuary: The combined effects of riverine inputs, temperature, and phytoplankton
Li, JJ; Jiang, X; Jing, ZY; Li, G; Chen, ZZ; Zhou, LB; Zhao, CY; Liu, JX; Tan, YH; tanyh@scsio.ac.cn
2018
Source PublicationMARINE POLLUTION BULLETIN
Volume125Issue:2018-01-02Pages:199-207
AbstractIn this study, we used flow cytometry and 16S rRNA gene pyrosequencing to investigate bacterioplankton (heterotrophic bacteria and picocyanobacteria) abundance and community structure in surface waters along the Pearl River Estuary. The results showed significant differences in bacterioplankton dynamics between fresh- and saltwater sites and between wet and dry season. Synechococcus constituted the majority of picocyanobacteria in both seasons. During the wet season, Synechococcus reached extremely high abundance at the mouth of the estuary, and heterotrophic bacteria were highly abundant (> 10(6) cells ml(-1)) throughout the studied region. At the same time, bacterioplankton decreased dramatically during the dry season. Pyrosequencing data indicated that salinity was a key parameter in shaping microbial community structure during both seasons. Phytoplankton was also an important factor; the proportion of Synechococcus and Rhodobacteriales was elevated at the frontal zone with higher chlorophyll a during the wet season, whereas Synechococcus were markedly reduced during the dry season.
Department[Li, Jiajun; Chen, Zuozhi] Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploit, Minist Agr, Guangzhou 510300, Guangdong, Peoples R China; [Li, Jiajun; Jiang, Xin; Li, Gang; Zhou, Linbin; Zhao, Chunyu; Liu, Jiaxing; Tan, Yehui] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; [Jing, Zhiyou] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Zhao, Chunyu; Tan, Yehui] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
KeywordBacterioplankton Pearl River Estuary 16s Rrna Sequencing Monsoon Wind Plume
Subject AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
Funding ProjectLTO
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17113
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authortanyh@scsio.ac.cn
Recommended Citation
GB/T 7714
Li, JJ,Jiang, X,Jing, ZY,et al. Spatial and seasonal distributions of bacterioplankton in the Pearl River Estuary: The combined effects of riverine inputs, temperature, and phytoplankton[J]. MARINE POLLUTION BULLETIN,2018,125(2018-01-02):199-207.
APA Li, JJ.,Jiang, X.,Jing, ZY.,Li, G.,Chen, ZZ.,...&tanyh@scsio.ac.cn.(2018).Spatial and seasonal distributions of bacterioplankton in the Pearl River Estuary: The combined effects of riverine inputs, temperature, and phytoplankton.MARINE POLLUTION BULLETIN,125(2018-01-02),199-207.
MLA Li, JJ,et al."Spatial and seasonal distributions of bacterioplankton in the Pearl River Estuary: The combined effects of riverine inputs, temperature, and phytoplankton".MARINE POLLUTION BULLETIN 125.2018-01-02(2018):199-207.
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