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Intertidal zonation affects diversity and functional potentials of bacteria in surface sediments: A case study of the Golden Bay mangrove, China
Zhu, Ping1,2; Wang, Yaping1,2; Shi, Tiantian1; Zhang, Xiaoli1; Huang, Guoqiang3; Gong, Jun4
2018-09-01
Source PublicationAPPLIED SOIL ECOLOGY
ISSN0929-1393
Volume130Pages:159-168
AbstractThe combined effects of intertidal zonation and mangrove vegetation on benthic bacterial communities and ecological functions were studied. MiSeq sequencing of the 16S rRNA gene and PICRUSt predictive functional profiles were used to investigate the diversity, community structure and potential metabolic functions of benthic bacteria in surface sediments of a mangrove ecosystem. Compared with the lower intertidal zone, bacterial alpha diversity and richness were significantly higher in the upper intertidal zone and highly associated with sediment organic matter. The upper zone was occupied by higher proportions of heterotrophic bacteria involved in the degradation of organic compounds. These included Desulfobacterales, Anaerolineae and Acidobacteria, while the proportion of Rhodobacterales and Xenococcaceae was greatly increased in the lower zone. No significant difference of either alpha diversity or community composition was found between rhizosphere and bulk sediments, except that higher relative proportions of Rhizobiales and Actinobacteria occurred in rhizosphere sediments. The shift in bacterial community structure was mainly driven by changes in sediment Pb and NH4+ concentrations. Among the major carbon, nitrogen and sulfur cycling processes examined, higher potentials of cellulose and hemicellulose degradation, dissimilatory sulfate reduction, and nitrate or nitrite reduction occurred in the upper intertidal zone. Assimilatory sulfate reduction and sulfur oxidation potentials were higher in the root-associated sediments than in the bulk sediments. This study indicated that intertidal zonation was more important than root effects in modulating benthic bacterial diversity and functional potentials in a mangrove ecosystem.
KeywordCarbon metabolism Ecological function Tidal zonation Rhizosphere Spatial heterogeneity
DOI10.1016/j.apsoil.2018.06.003
Funding OrganizationKey Research Program of Frontier Sciences of CAS ; NSFC project ; Strategic Priority Research Program of CAS ; Science and Technology Development Program of Yantai, China ; Discipline Construction Guide Foundation in Harbin Institute of Technology at Weihai
WOS KeywordCHLOROFLEXI SUBPHYLUM-I ; ORGANIC-MATTER ; MICROBIAL COMMUNITIES ; UNCULTURED CHLOROFLEXI ; REDUCING BACTERIA ; MARINE ECOSYSTEMS ; GENETIC DIVERSITY ; CARBON ; SOIL ; SEQUENCES
Language英语
Funding ProjectKey Research Program of Frontier Sciences of CAS[QYZDB-SSW-DQC013] ; NSFC project[41676154] ; NSFC project[41522604] ; Strategic Priority Research Program of CAS[XDA11020702] ; Science and Technology Development Program of Yantai, China[2015ZH074] ; Discipline Construction Guide Foundation in Harbin Institute of Technology at Weihai[WH20160205]
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000441138300019
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/24019
Collection海岸带生物学与生物资源保护实验室
Corresponding AuthorZhang, Xiaoli; Gong, Jun
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Guangxi Inst Oceanol, Beihai 536000, Peoples R China
4.Sun Yat Sen Univ, Sch Marine Sci, Lab Microbial Ecol, Zhuhai Campus, Zhuhai 519082, Peoples R China
First Author AffilicationYantai Institute of Coastal Zone Research, Chinese Academy of Sciences
Corresponding Author AffilicationYantai Institute of Coastal Zone Research, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhu, Ping,Wang, Yaping,Shi, Tiantian,et al. Intertidal zonation affects diversity and functional potentials of bacteria in surface sediments: A case study of the Golden Bay mangrove, China[J]. APPLIED SOIL ECOLOGY,2018,130:159-168.
APA Zhu, Ping,Wang, Yaping,Shi, Tiantian,Zhang, Xiaoli,Huang, Guoqiang,&Gong, Jun.(2018).Intertidal zonation affects diversity and functional potentials of bacteria in surface sediments: A case study of the Golden Bay mangrove, China.APPLIED SOIL ECOLOGY,130,159-168.
MLA Zhu, Ping,et al."Intertidal zonation affects diversity and functional potentials of bacteria in surface sediments: A case study of the Golden Bay mangrove, China".APPLIED SOIL ECOLOGY 130(2018):159-168.
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