IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Diversity patterns of the rhizosphere and bulk soil microbial communities along an altitudinal gradient in an alpine ecosystem of the eastern Tibetan Plateau
Yongxing Cui1,2; Haijian Bing3; Linchuan Fang1; Yanhong Wu3; Jialuo Yu2; Guoting Shen1; Mao Jiang1; Xia Wang1,2; Xingchang Zhang1
2019
Source PublicationGEODERMA
ISSN0016-7061
EISSN1872-6259
Volume338Pages:118-127
SubtypeArticle
Contribution Rank3
AbstractThe diversity patterns and drivers of soil microbial communities in altitudinal gradients have recently received much attention. The rhizosphere is a focus of soil microbial communities, but the patterns and drivers of these communities have rarely been studied in alpine ecosystems. We used high-throughput Illumina sequencing to examine the community variations of bacteria, archaea and fungi between the rhizosphere and bulk soil along an altitudinal gradient in an Abies fabri (Mast.) community on Mount Gongga of the eastern Tibetan Plateau. Microbial alpha diversity and community structure varied significantly with altitude but not between the rhizosphere and bulk soil. Soil temperature and the carbon:nitrogen ratio were the primary drivers of the structures of the bacterial, archaeal and fungal communities, and altitude (geographic distance) contributed a small part (< 3%) of the community variation, indicating that various edaphic factors were the key regulators of microbial community variation. This consistency of the microbial communities between the rhizosphere and bulk soil in this alpine ecosystem could be attributed to low temperature and high nutrient content. The bacterial, archaeal and fungal communities were governed by specific environmental factors (total phosphorus content for bacteria; organic-carbon content, dissolved organic-carbon content, NH4+-N content and nutrient stoichiometry for archaea and NO3--N content for fungi). The distinct environmental responses of the microbial taxa suggested metabolic separation and resource preferences of the belowground communities, even within the small-scale spatial distances in this alpine ecosystem. Our study suggested that the ecosystem harbored many microbial taxa with diverse nutrient preferences and metabolic characteristics and could thus potentially tolerate the soil environmental variation under a scenario of climate change.
KeywordMicrobial community Rhizosphere Altitudinal gradients Edaphic factors Alpine ecosystems Mount Gongga
DOI10.1016/j.geoderma.2018.11.047
Indexed BySCI
Language英语
WOS IDWOS:000457657000013
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25260
Collection山地表生过程与生态调控重点实验室
Corresponding AuthorLinchuan Fang
Affiliation1.State Key Laboratory of soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, Yangling 712100, PR China;
2.University of Chinese Academy of Sciences, Beijing 100049, PR China;
3.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, PR China
Recommended Citation
GB/T 7714
Yongxing Cui,Haijian Bing,Linchuan Fang,et al. Diversity patterns of the rhizosphere and bulk soil microbial communities along an altitudinal gradient in an alpine ecosystem of the eastern Tibetan Plateau[J]. GEODERMA,2019,338:118-127.
APA Yongxing Cui.,Haijian Bing.,Linchuan Fang.,Yanhong Wu.,Jialuo Yu.,...&Xingchang Zhang.(2019).Diversity patterns of the rhizosphere and bulk soil microbial communities along an altitudinal gradient in an alpine ecosystem of the eastern Tibetan Plateau.GEODERMA,338,118-127.
MLA Yongxing Cui,et al."Diversity patterns of the rhizosphere and bulk soil microbial communities along an altitudinal gradient in an alpine ecosystem of the eastern Tibetan Plateau".GEODERMA 338(2019):118-127.
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