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Functional structure, taxonomic composition and the dominant assembly processes of soil prokaryotic community along an altitudinal gradient
Cao, Jirong; Jia, Xiu; Pang, Shuang; Hu, Yecui1; Li, Yuncong2; Wang, Qibing
2020
发表期刊APPLIED SOIL ECOLOGY
ISSN0929-1393
卷号155
摘要As more attentions have been paid to microbial taxonomic community structure along altitudinal gradients, the knowledge of the altitudinal variations in microbial functional structure in terrestrial ecosystems is limited. More importantly, the dominant assembly processes that drive altitudinal variations in both taxonomic composition and functional structure remain unclear. To fill the gaps, we integrated soil prokaryotic taxonomic community structure, functional community structure and community assembly processes along an altitudinal gradient into a comprehensive understanding. The results revealed that both taxonomic community structure and core functional community structure of soil prokaryotic microbes significantly differed across altitudes. We detected the core functional groups associated with the redox reactions essential for microbial metabolism and biogeochemical cycles across altitudes. Chemoheterotrophy and photoautotrophy were dominant in abundance, indicating the important roles of primary energy metabolism for soil prokaryotic community. The whole prokaryotic community taxonomic composition was dominantly shaped by dispersal limitation (governing 74% of spatial turnover). The variation of functional structure was primarily caused by environmental selection, while the taxonomic variation within individual functional groups was weakly related to selection but mainly driven by drift. These results are critical for predicting the future dynamics of soil microbial community in the face of disturbances.
关键词Functional structure Microbial community assembly Deterministic process Stochastic process Dispersal limitation Altitude gradient
学科领域Soil Science
DOI10.1016/j.apsoil.2020.103647
收录类别SCI
语种英语
WOS关键词MICROBIAL BIOGEOGRAPHY ; DISPERSAL ; PHOTOSYNTHESIS ; CLASSIFICATION ; MICROORGANISMS ; PHOTOTROPHY ; DIVERSITY ; ELEVATION ; TRAITS ; IMPACT
WOS研究方向Agriculture
WOS记录号WOS:000560743700020
出版者ELSEVIER
文献子类Article
出版地AMSTERDAM
EISSN1873-0272
资助机构Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDB05010200] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31470006]
作者邮箱qwang@ibcas.ac.cn
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/21621
专题植被与环境变化国家重点实验室
作者单位1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.China Univ Geosci, Sch Land Sci & Technol, Beijing 100083, Peoples R China
3.Univ Florida, Soil & Water Sci Dept, Trop Res & Educ Ctr, Homestead, FL 33031 USA
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Cao, Jirong,Jia, Xiu,Pang, Shuang,et al. Functional structure, taxonomic composition and the dominant assembly processes of soil prokaryotic community along an altitudinal gradient[J]. APPLIED SOIL ECOLOGY,2020,155.
APA Cao, Jirong,Jia, Xiu,Pang, Shuang,Hu, Yecui,Li, Yuncong,&Wang, Qibing.(2020).Functional structure, taxonomic composition and the dominant assembly processes of soil prokaryotic community along an altitudinal gradient.APPLIED SOIL ECOLOGY,155.
MLA Cao, Jirong,et al."Functional structure, taxonomic composition and the dominant assembly processes of soil prokaryotic community along an altitudinal gradient".APPLIED SOIL ECOLOGY 155(2020).
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