Genetic Diversity of Benthic Microbial Eukaryotes in Response to Spatial Heterogeneity of Sediment Geochemistry in a Mangrove Ecosystem
Zhu, Ping1,2; Wang, Yaping1,2; Shi, Tiantian1; Huang, Guoqiang3; Gong, Jun1,2,4
2018-05-01
发表期刊ESTUARIES AND COASTS
ISSN1559-2723
卷号41期号:3页码:751-764
摘要Little is known about the diversity, community composition, or distribution of benthic microbial eukaryotes in organic carbon (OC)-rich mangrove sediments. We hypothesized that the distribution of microeukaryotes was related to the spatial heterogeneity of mangrove sediment geochemistry due to tidal zonation and the rhizosphere effect. A range of geochemical properties of surface sediments were characterized, and alpha and beta diversities of microeukaryotes in a mangrove ecosystem were investigated using MiSeq sequencing of 18S rRNA genes. We found that the sequence proportions of Chlorophyta and Bacillariophyta were notably high in the datasets. Both operational taxonomic unit (OTU) richness and microeukaryotic community structure (MCS) were significantly different between the OC-rich upper tidal zone and the sulfate- and ammonium-rich lower tidal zone, indicating a strong response of microeukaryotic diversity to tidal zonation. The zonewise community differences were characterized by distinct shifts in the proportions and OTUs of chlorophytes, diatoms, and fungi. However, neither OTU richness nor MCS was significantly different between near-root and bulk sediments, though several geochemical parameters varied. Similarly, the assemblages of fungi showed a pattern of tidal zonation. Overall, variations in MCS in mangrove sediments were mainly driven by the quantity and quality of organic matter, grain size, and concentration of sulfate.
关键词Biogeochemistry Blue Carbon Ecosystem Protist Fungi Benthos Rhizosphere Effect
DOI10.1007/s12237-017-0317-z
项目资助者Natural Science Foundation of China(41522604, 31572255) ; Strategic Priority Research Program of CAS(XDA11020702) ; Science and Technology Development Program of Yantai(2014ZH073) ; Special Program for Basic Research of the Ministry of Science and Technology, China(2014FY210600)
收录类别SCI
关键词[WOS]ORGANIC-MATTER ; RIBOSOMAL-RNA ; EXTRACELLULAR DNA ; FUNGAL DIVERSITY ; MARINE-SEDIMENTS ; COMMUNITY ; DYNAMICS ; CARBON ; SOIL ; PRODUCTIVITY
文章类型Article
语种英语
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS类目Environmental Sciences ; Marine & Freshwater Biology
WOS记录号WOS:000428847700009
出版者SPRINGER
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/24029
专题海岸带生物学与生物资源利用所重点实验室
通讯作者Gong, Jun
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Guangxi Inst Oceanol, Beihai 536000, Peoples R China
4.Sun Yat Sen Univ, Sch Marine Sci, Lab Microbial Ecol & Matter Cycles, Zhuhai Campus, Zhuhai, Peoples R China
第一作者单位中国科学院烟台海岸带研究所
通讯作者单位中国科学院烟台海岸带研究所
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GB/T 7714
Zhu, Ping,Wang, Yaping,Shi, Tiantian,et al. Genetic Diversity of Benthic Microbial Eukaryotes in Response to Spatial Heterogeneity of Sediment Geochemistry in a Mangrove Ecosystem[J]. ESTUARIES AND COASTS,2018,41(3):751-764.
APA Zhu, Ping,Wang, Yaping,Shi, Tiantian,Huang, Guoqiang,&Gong, Jun.(2018).Genetic Diversity of Benthic Microbial Eukaryotes in Response to Spatial Heterogeneity of Sediment Geochemistry in a Mangrove Ecosystem.ESTUARIES AND COASTS,41(3),751-764.
MLA Zhu, Ping,et al."Genetic Diversity of Benthic Microbial Eukaryotes in Response to Spatial Heterogeneity of Sediment Geochemistry in a Mangrove Ecosystem".ESTUARIES AND COASTS 41.3(2018):751-764.
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