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Plant and soil elemental C:N:P ratios are linked to soil microbial diversity during grassland restoration on the Loess Plateau, China
Yang, Yang1,2; Liu, Hao1,2; Yang, Xuan3; Yao, Hongjia3; Deng, Xiaoqian3; Wang, Yunqiang1,2; An, Shaoshan3; Kuzyakov, Yakov4,5; Chang, Scott X.6
Corresponding AuthorWang, Yunqiang(wangyq@ieecas.cn) ; An, Shaoshan(shan@ms.iswc.ac.cn)
2022-02-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume806Pages:11
AbstractPlant and soil elemental ratios of carbon (C), nitrogen (N) and phosphorus (P) play a central role in shaping the composition and structure of microbial communities. However, the relationships between plant and soil elemental C:N:P ratios and microbial diversity are still poorly understood. Here, we evaluated the effects of C:N:P ratios in plant-soil systems on microbial diversity in a chronosequence of restored grasslands (1, 5,10,15, 25, and 30 years since restoration) on the Loess Plateau. We found that C and N concentrations, C:N and C:P ratios in leaf, root, soil and microbial biomass, bacterial and fungal diversity (Shannon-Wiener index) gradually increased with year since grassland restoration. Microbial C:N:P ratios ranged from 17.8:4.5:1 to 24.3:6.6:1, and C:P ratio increased from 17.8:1 at the 1-year site to 24.3:1 at the 30-year site, indicating the increasing P limitation for soil microorganisms during grassland development. Soil microbial diversity increased with root, soil, and microbial C and N concentrations, and decreased with P concentration (p < 0.05). Structural equation modeling indicated that soil and microbial C:N and N:P ratios had the greatest influences on soil bacterial and fungal diversity, and elemental C:N:P ratios had a greater effect on soil fungal than bacterial diversity. Our findings emphasize the importance of elemental C:N:P ratios on soil microbial diversity, which is critical for formulating policies for sustainable biodiversity conservation in terrestrial ecosystems. (c) 2021 Published by Elsevier B.V.
KeywordElemental balance Soil microorganism Bacterial and fungal diversity High-throughput sequencing Structural equation modeling
DOI10.1016/j.scitotenv.2021.150557
WOS KeywordBACTERIAL COMMUNITY ; ORGANIC-MATTER ; STOICHIOMETRY ; CARBON ; NITROGEN ; BIOMASS ; GROWTH ; AFFORESTATION ; DRIVES
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Sciences Foundation of China[42107282] ; National Natural Sciences Foundation of China[42077072] ; State Key Laboratory of Loess and Quaternary Geology, Chinese Academy of Sciences[SKLLQGPY2004] ; CAS Light of West China Program[XAB2019B07]
WOS Research AreaEnvironmental Sciences & Ecology
Funding OrganizationNational Natural Sciences Foundation of China ; State Key Laboratory of Loess and Quaternary Geology, Chinese Academy of Sciences ; CAS Light of West China Program
WOS SubjectEnvironmental Sciences
WOS IDWOS:000707640700003
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/17122
Collection生态环境研究室
第四纪科学与全球变化卓越创新中心
Corresponding AuthorWang, Yunqiang; An, Shaoshan
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
3.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
4.Univ Gottingen, Dept Agr Soil Sci, Dept Soil Sci Temperate Ecosyst, D-37077 Gottingen, Germany
5.RUDN Univ, Agrotechnol Inst, Moscow 117198, Russia
6.Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2E3, Canada
Recommended Citation
GB/T 7714
Yang, Yang,Liu, Hao,Yang, Xuan,et al. Plant and soil elemental C:N:P ratios are linked to soil microbial diversity during grassland restoration on the Loess Plateau, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2022,806:11.
APA Yang, Yang.,Liu, Hao.,Yang, Xuan.,Yao, Hongjia.,Deng, Xiaoqian.,...&Chang, Scott X..(2022).Plant and soil elemental C:N:P ratios are linked to soil microbial diversity during grassland restoration on the Loess Plateau, China.SCIENCE OF THE TOTAL ENVIRONMENT,806,11.
MLA Yang, Yang,et al."Plant and soil elemental C:N:P ratios are linked to soil microbial diversity during grassland restoration on the Loess Plateau, China".SCIENCE OF THE TOTAL ENVIRONMENT 806(2022):11.
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