Geographic distance and soil microbial biomass carbon drive biogeographical distribution of fungal communities in Chinese Loess Plateau soils
Liu, Dong1,2; Wang, Honglei1; An, Shaoshan1; Bhople, Parag3; Davlatbekov, Fayzmamad4
2019-04-10
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume660Pages:1058-1069
AbstractFungi are ecological drivers of carbon cycle in soils and also effectively mediate mineral nutrition for plants especially in the severely eroded Loess Plateau of China. However, factors determining variations in fungal diversity and their biogeographic patterns in this rigorously affected landscape area remain poorly understood. Therefore, we performed Illumina MiSeq high throughput sequencing of the fungal specific, internal transcribed spacer 2 (ITS2) region from 24 representative soils covering forest, grassland and agricultural lands from 8 distinct landscapes. Using this technique, we demonstrate that fungal members belonging to phylum Ascomycota dominated in all soils investigated in this study with an average relative abundance higher than 80%. High fungal richness in the Loess Plateau soils is ascribed to the retrieval of 1,822,499 quality sequences belonging to 13,533 different phylotypes. However, this richness/phylotype number decreased (from 779 to 561) with increasing longitudinal gradient through 107 degrees 39' to 109 degrees 36'. Interestingly, higher fungal diversity (in terms of presence of diverse fungal taxa) occurred as microbial biomass carbon (MBC) concentration decreased (approximately from 500 to 100 mg kg(-1)) in soils. Variation partitioning analysis revealed that geographic distance contributed more to fungal community variation (38.3%) than soil properties (22.2%) at the landscape level (similar to 400 km). As indicated by non-metric multidimensional scaling (NMDS), among soil properties, concentrations of MBC primarily affected (significantly corrected with NMDS 1; r = 0.620; p < 0.01) fungal community structure in the current study. This study therefore constitutes an essential set of information and recommends usage of information on fungal community structure as a potential ecological indicator of the Loess Plateau region. (C) 2019 Elsevier B.V. All rights reserved.
KeywordSoil microbial biomass carbon Fungal community structure High-throughput sequencing Loess Plateau
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/64215
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Corresponding AuthorAn, Shaoshan
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
3.Univ Kassel, Dept Soil Biol & Plant Nutr, Fac Organ Agr Sci, Kassel, Germany
4.Northwest A&F Univ, Coll Int Educ, Yangling, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Liu, Dong,Wang, Honglei,An, Shaoshan,et al. Geographic distance and soil microbial biomass carbon drive biogeographical distribution of fungal communities in Chinese Loess Plateau soils[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,660:1058-1069.
APA Liu, Dong,Wang, Honglei,An, Shaoshan,Bhople, Parag,&Davlatbekov, Fayzmamad.(2019).Geographic distance and soil microbial biomass carbon drive biogeographical distribution of fungal communities in Chinese Loess Plateau soils.SCIENCE OF THE TOTAL ENVIRONMENT,660,1058-1069.
MLA Liu, Dong,et al."Geographic distance and soil microbial biomass carbon drive biogeographical distribution of fungal communities in Chinese Loess Plateau soils".SCIENCE OF THE TOTAL ENVIRONMENT 660(2019):1058-1069.
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