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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
通讯作者Wang, Yunqiang(wangyq@ieecas.cn) ; An, Shaoshan(shan@ms.iswc.ac.cn)
2022-02-01
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号806页码:11
摘要Plant 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.
关键词Elemental balance Soil microorganism Bacterial and fungal diversity High-throughput sequencing Structural equation modeling
DOI10.1016/j.scitotenv.2021.150557
关键词[WOS]BACTERIAL COMMUNITY ; ORGANIC-MATTER ; STOICHIOMETRY ; CARBON ; NITROGEN ; BIOMASS ; GROWTH ; AFFORESTATION ; DRIVES
收录类别SCI ; SCI
语种英语
资助项目National 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研究方向Environmental Sciences & Ecology
项目资助者National Natural Sciences Foundation of China ; State Key Laboratory of Loess and Quaternary Geology, Chinese Academy of Sciences ; CAS Light of West China Program
WOS类目Environmental Sciences
WOS记录号WOS:000707640700003
出版者ELSEVIER
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/17122
专题生态环境研究室
第四纪科学与全球变化卓越创新中心
通讯作者Wang, Yunqiang; An, Shaoshan
作者单位1.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
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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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