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Fine-root functional trait responses to experimental warming: a global meta-analysis
Wang, Jinsong1,2; Defrenne, Camille3; McCormack, M. Luke4; Yang, Lu5; Tian, Dashuan1; Luo, Yiqi2; Hou, Enqing2; Yan, Tao6; Li, Zhaolei7; Bu, Wensheng8; Chen, Ye9; Niu, Shuli1,10
2021-04-04
Source PublicationNEW PHYTOLOGIST
ISSN0028-646X
Pages12
Corresponding AuthorWang, Jinsong(wangjinsong@igsnrr.ac.cn) ; Niu, Shuli(sniu@igsnrr.ac.cn)
AbstractWhether and how warming alters functional traits of absorptive plant roots remains to be answered across the globe. Tackling this question is crucial to better understanding terrestrial responses to climate change as fine-root traits drive many ecosystem processes. We carried out a detailed synthesis of fine-root trait responses to experimental warming by performing a meta-analysis of 964 paired observations from 177 publications. Warming increased fine-root biomass, production, respiration and nitrogen concentration as well as decreased root carbon : nitrogen ratio and nonstructural carbohydrates. Warming effects on fine-root biomass decreased with greater warming magnitude, especially in short-term experiments. Furthermore, the positive effect of warming on fine-root biomass was strongest in deeper soil horizons and in colder and drier regions. Total fine-root length, morphology, mortality, life span and turnover were unresponsive to warming. Our results highlight the significant changes in fine-root traits in response to warming as well as the importance of warming magnitude and duration in understanding fine-root responses. These changes have strong implications for global soil carbon stocks in a warmer world associated with increased root-derived carbon inputs into deeper soil horizons and increases in fine-root respiration.
Keywordfine roots functional traits root biomass root dynamics soil depth warming duration warming magnitude
DOI10.1111/nph.17279
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31988102] ; National Natural Science Foundation of China[31625006] ; National Natural Science Foundation of China[31800404] ; Second Tibetan Plateau Scientific Expedition and Research (STEP) program[2019QZKK0302] ; International Postdoctoral Exchange Fellowship Program[20180005]
Funding OrganizationNational Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research (STEP) program ; International Postdoctoral Exchange Fellowship Program
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000636546700001
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/161955
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Jinsong; Niu, Shuli
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.No Arizona Univ, Dept Biol Sci, Ctr Ecosyst Sci & Soc, Flagstaff, AZ 86001 USA
3.Oak Ridge Natl Lab, Climate Change Sci Inst, Oak Ridge, TN 37831 USA
4.Oak Ridge Natl Lab, Environm Sci Div, Oak Ridge, TN 37831 USA
5.Morton Arboretum, Ctr Tree Sci, 4100 Illinois Rt 53, Lisle, IL 60532 USA
6.Beijing Forestry Univ, Res Ctr Forest Management Engn State Forestry & G, Beijing 100083, Peoples R China
7.Lanzhou Univ, Coll Pastoral Agr Sci & Technol, State Key Lab Grassland & Agroecosyst, Lanzhou 730000, Peoples R China
8.Shandong Agr Univ, Coll Resources & Environm, Natl Engn Lab Efficient Utilizat Soil & Fertilize, Key Lab Agr Environm Univ Shandong, Tai An 271018, Shandong, Peoples R China
9.Jiangxi Agr Univ, Coll Forestry, Nanchang 330045, Jiangxi, Peoples R China
10.No Arizona Univ, Dept Math & Stat, Flagstaff, AZ 86011 USA
11.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jinsong,Defrenne, Camille,McCormack, M. Luke,et al. Fine-root functional trait responses to experimental warming: a global meta-analysis[J]. NEW PHYTOLOGIST,2021:12.
APA Wang, Jinsong.,Defrenne, Camille.,McCormack, M. Luke.,Yang, Lu.,Tian, Dashuan.,...&Niu, Shuli.(2021).Fine-root functional trait responses to experimental warming: a global meta-analysis.NEW PHYTOLOGIST,12.
MLA Wang, Jinsong,et al."Fine-root functional trait responses to experimental warming: a global meta-analysis".NEW PHYTOLOGIST (2021):12.
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