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Higher temporal turnover of soil fungi than bacteria during long-term secondary succession in a semiarid abandoned farmland
Wang, Jie1; Liu, Guobin2; Zhang, Chao1; Wang, Guoliang1; Fang, Linchuan1; Cui, Yongxing2
2019-11-01
Source PublicationSOIL & TILLAGE RESEARCH
ISSN0167-1987
Volume194Pages:11
Corresponding AuthorZhang, Chao(zhangchao1985@nwafu.edu.cn)
AbstractMicroorganisms play critical roles in soil biogeochemical processes and the establishment of vegetation communities. However, their long-term successional patterns and associations with environmental factors are not well understood, especially in semiarid areas where plant community composition and species diversity change rapidly. We investigated changes in soil (Cambisol) microbial communities across a chronosequence of abandoned farmland comprising six successional stages (0, 11, 35, 60, 100, and 150-years) in the semiarid Loess Plateau of China. We aimed to reveal the long-term patterns and succession rates of microbial communities, and to reveal the driving forces. Bacterial and fungal communities were characterized by sequencing bacterial 16S ribosomal RNA genes and fungal internal transcribed spacers (ITS), respectively. Temporal turnover of microbial succession was investigated using the slope (w value) of linear regression of log-transformed microbial community similarity over time. Succession rate of fungi was approximately three times higher (w = 0.1477, P < 0.0001) than that of bacteria (w = 0.0549, P < 0.0001). Bacterial succession was affected by changes in soil NH4+-N, total N, organic C, water content, bulk density, and pH, whereas fungi were more susceptible to changes in NO3--N, available phosphorus, and C:N ratio. Bacterial communities transitioned from slow-growing oligotrophic groups (Gemmatimonadetes, Chloroflexi) to fast-growing copiotrophic groups (Alpha- and Betaproteobacteria). Basidiomycota showed the highest temporal turnover (w = 0.2000, P < 0.0001), followed by Armatimonadetes, Firmicutes, Verrucomicrobia, Chloroflexi, and Proteobacteria. These results provide new insights into microbial community dynamics during long-term secondary succession, and enhance our understanding of associations between soil factors and microbes in semiarid ecosystems.
KeywordSoil microbial community Temporal turnover Semiarid ecosystem
DOI10.1016/j.still.2019.104305
WOS KeywordMICROBIAL COMMUNITY ; VEGETATION RESTORATION ; LOESS PLATEAU ; CARBON ; DIVERSITY ; PATTERNS ; RESPONSES ; DYNAMICS ; STORAGE ; PLANTS
Indexed BySCI
Language英语
Funding ProjectNational Natural Sciences Foundation of China[41771554] ; National Key Research and Development Program of China[2016YFC0501707]
Funding OrganizationNational Natural Sciences Foundation of China ; National Key Research and Development Program of China
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000486360400014
PublisherELSEVIER
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69534
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Chao
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jie,Liu, Guobin,Zhang, Chao,et al. Higher temporal turnover of soil fungi than bacteria during long-term secondary succession in a semiarid abandoned farmland[J]. SOIL & TILLAGE RESEARCH,2019,194:11.
APA Wang, Jie,Liu, Guobin,Zhang, Chao,Wang, Guoliang,Fang, Linchuan,&Cui, Yongxing.(2019).Higher temporal turnover of soil fungi than bacteria during long-term secondary succession in a semiarid abandoned farmland.SOIL & TILLAGE RESEARCH,194,11.
MLA Wang, Jie,et al."Higher temporal turnover of soil fungi than bacteria during long-term secondary succession in a semiarid abandoned farmland".SOIL & TILLAGE RESEARCH 194(2019):11.
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