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
发表期刊MARINE POLLUTION BULLETIN
卷号125期号:2018-01-02页码:199-207
摘要In 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.
部门归属[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
关键词Bacterioplankton Pearl River Estuary 16s Rrna Sequencing Monsoon Wind Plume
学科领域Environmental Sciences & Ecology ; Marine & Freshwater Biology
资助项目LTO
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/17113
专题热带海洋环境国家重点实验室(LTO)
通讯作者tanyh@scsio.ac.cn
推荐引用方式
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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