兰州大学机构库
Effects of nitrogen enrichment on tree carbon allocation: A global synthesis
Li, WB(李伟斌)1,2; Zhang, Hongxia3,4; Huang, Guozhu1,2; Liu, Ruixue1,2; Wu, Hongjing1,2; Zhao, CY(赵传燕)1,2; McDowell, Nate G.5
2019-12-06
Online publication date2019-12
Source PublicationGLOBAL ECOLOGY AND BIOGEOGRAPHY   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN1466-822X
EISSN1466-8238
Volume29Issue:3Pages:573-589
page numbers17
AbstractAim Increased atmospheric nitrogen deposition may have profound effects on tree carbon allocation dynamics. However, a comprehensive understanding of how nitrogen (N) enrichment influences carbon (C) allocation across plant functional processes and tree organs in individual trees remains elusive. Location Global forest ecosystems. Time period 1990-2018. Major taxa studied Trees. Methods We compiled data from 75 N addition experiments and conducted a meta-analysis to evaluate the responses of C source (photosynthesis), sinks (growth and respiration) and storage (non-structural carbohydrate concentrations) in different tree organs (foliage, above-ground wood and roots) to N enrichment. Results N enrichment significantly enhanced C supply via photosynthesis (+39.6%, n = 128). C allocation to growth (biomass increment/production) significantly increased in foliage (+15.9%, n = 68) and above-ground wood (+31.8%, n = 64; bole, branch, stem and/or twig) with increasing N availability, but not in roots, whereas allocation increased in roots via increasing fine root turnover rate (+22.6%, n = 11). N fertilization significantly increased C allocation to respiration in above-ground wood (+46.6%, n = 12) and roots (+5.5%, n = 57), but not in foliage. N addition decreased non-structural carbohydrate (NSC) concentrations in foliage (-5.4%, n = 16) and roots (-5.0%, n = 21), but increased NSC in above-ground wood (+6.1%, n = 22). In addition, N enrichment effects were strongly affected by moderator variables. Main conclusions Our results demonstrate that N addition increased C allocation to growth and respiration more strongly than C allocation to NSC storage, and increased C allocation to above-ground parts more strongly than to below-ground parts. Our results are useful for better understanding the response of tree functional processes at organ level to N enrichment. The existing data also reveal that more long-term experimental studies on mature trees in tropical and boreal forests are urgently needed to provide a basis for forecasting tree responses to N enrichment at the global scale.
Keywordbiomass increment carbon allocation meta-analysis non-structural carbohydrates respiration simulated N deposition
PublisherWILEY
DOI10.1111/geb.13042
Indexed BySCIE
Language英语
Funding ProjectFundamental Research Funds for the Central Universities[lzujbky-2018-3]
WOS Research AreaEnvironmental Sciences & Ecology ; Physical Geography
WOS SubjectEcology ; Geography, Physical
WOS IDWOS:000500857000001
PublisherWILEY
Original Document TypeArticle ; Early Access
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/417945
Collection兰州大学
草地农业科技学院
Corresponding AuthorLi, Weibin
Affiliation
1.Lanzhou Univ, Minist Agr & Rural Affairs, Key Lab Grassland Livestock Ind Innovat, State Key Lab Grassland Agroecosyst, Lanzhou, Gansu, Peoples R China
2.Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Engn Res Ctr Grassland Ind, Minist Educ, Lanzhou, Gansu, Peoples R China
3.Chinese Acad Sci, Inst Appl Ecol, Key Lab Forest Ecol & Management, Shenyang, Liaoning, Peoples R China
4.Univ Chinese Acad Sci, Beijing, Peoples R China
5.Pacific Northwest Natl Lab, Earth Syst Anal & Modeling Div, Richland, WA 99352 USA
First Author AffilicationCollege of Pastoral Agriculture Science and Technology
Corresponding Author AffilicationCollege of Pastoral Agriculture Science and Technology
First Signature AffilicationCollege of Pastoral Agriculture Science and Technology
Recommended Citation
GB/T 7714
Li, Weibin,Zhang, Hongxia,Huang, Guozhu,et al. Effects of nitrogen enrichment on tree carbon allocation: A global synthesis[J]. GLOBAL ECOLOGY AND BIOGEOGRAPHY,2019,29(3):573-589.
APA Li, Weibin.,Zhang, Hongxia.,Huang, Guozhu.,Liu, Ruixue.,Wu, Hongjing.,...&McDowell, Nate G..(2019).Effects of nitrogen enrichment on tree carbon allocation: A global synthesis.GLOBAL ECOLOGY AND BIOGEOGRAPHY,29(3),573-589.
MLA Li, Weibin,et al."Effects of nitrogen enrichment on tree carbon allocation: A global synthesis".GLOBAL ECOLOGY AND BIOGEOGRAPHY 29.3(2019):573-589.
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