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Community differentiation of bacterioplankton in the epipelagic layer in the South China Sea
Zhang, Y; Li, J; Cheng, XH; Luo, YF; Mai, ZM; Zhang, S;
AbstractThe South China Sea (SCS) is the largest marginal sea in the western tropical Pacific Ocean and is characterized by complex physicochemical environments. To date, the biogeographic patterns of the microbial communities have rarely been reported at a basin scale in the SCS. In this study, the bacterial assemblages inhabiting the epipelagic zone across 110 degrees E to 119 degrees E along 14 degrees N latitude were uncovered. The vertical stratification of both bacterial taxa and their potential functions were revealed. These results suggest that the water depth-specific environment is a driver of the vertical bacterioplankton distribution. Moreover, the bacterial communities were different between the eastern stations and the western stations, where the environmental conditions were distinct. However, the mesoscale eddy did not show an obvious effect on the bacterial community due to the large distance between the sampling site and the center of the eddy. In addition to the water depth and longitudinal location of the samples, the heterogeneity of the phosphate and salinity concentrations also significantly contributed to the variance in the epipelagic bacterial community in the SCS. To the best of our knowledge, this study is the first to report that the variability in epipelagic bacterioplankton is driven by the physicochemical environment at the basin scale in the SCS. Our results emphasize that the ecological significance of bacterioplankton can be better understood by considering the relationship between the biogeographic distribution of bacteria and the oceanic dynamics processes.
Department[Zhang, Yi; Li, Jie; Mai, Zhimao; Zhang, Si] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou, Guangdong, Peoples R China; [Cheng, Xuhua] Chinese Acad Sci, State Key Lab Trop Oceanog, South China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China; [Luo, Yinfeng] Chinese Acad Sci, Beijing Inst Genom, Beijing, Peoples R China
Subject AreaEnvironmental Sciences & Ecology ; Evolutionary Biology
WOS Keywordbacterioplankton community ; epipelagic layer ; functional traits ; longitudinal distribution ; pyrosequencing ; stratification distribution
Funding ProjectLMB
Document Type期刊论文
Recommended Citation
GB/T 7714
Zhang, Y,Li, J,Cheng, XH,et al. Community differentiation of bacterioplankton in the epipelagic layer in the South China Sea[J]. ECOLOGY AND EVOLUTION,2018,8(10):4932-4948.
APA Zhang, Y.,Li, J.,Cheng, XH.,Luo, YF.,Mai, ZM.,...& differentiation of bacterioplankton in the epipelagic layer in the South China Sea.ECOLOGY AND EVOLUTION,8(10),4932-4948.
MLA Zhang, Y,et al."Community differentiation of bacterioplankton in the epipelagic layer in the South China Sea".ECOLOGY AND EVOLUTION 8.10(2018):4932-4948.
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