IGGCAS OpenIR  > 新生代地质与环境院重点实验室
The intra-annual intrinsic water use efficiency dynamics based on an improved model
Bing, Xiaojin1; Fang, Keyan1; Gong, Xiaoying1; Wang, Wenzhi2; Xu, Chenxi3; Li, Maihe4; Ruan, Chaoyue1; Ma, Weiting1; Li, Yingjun5; Zhou, Feifei1
2022-05-01
Source PublicationCLIMATIC CHANGE
ISSN0165-0009
Volume172Issue:1-2Pages:19
AbstractThe carbon isotope fractionation value (Delta) has been widely used to infer the intrinsic water use efficiency (iWUE) of C3 plants. Currently, the most commonly used iWUE method (expressed as iWUE(tra)) in tree-rings assumes that the mesophyll conductance in plants is infinite However, many observation-based studies have pointed out that such an assumption leads to overestimating the impact of carbon dioxide (CO2) on iWUE in plants. In this study, a constant g(s)/g(m) ratio (0.79) is introduced for calculating iWUE (expressed as iWUE(mes)). We apply this iWUE(mes) model to our newly developed intra-annual (10 samples per ring) Delta C-13 C chronologies of Clyptomeria fortunei tree for 1965-2017 at Gu Mountain Area and our annual Delta C-13 chronology of Pinus massoniana tree for 1865-2014 at Niumulin Natural Reserve in southeast China. Using dendrochronology techniques, our analysis shows that the current iWUE(tra) model overestimates the iWUE values by approximately a factor of two and that the iWUE value of trees inferred from iWUE(mes) modeling decreases significantly in summer-autumn time, which likely indicates that alternative factors play a role in limiting the degree of iWUE improvement under the drought-stressed forest in southeast China.
KeywordHigh-resolution tree-ring Dendrochronology iWUE(mes) model Drought stress Overestimation Southeast China
DOI10.1007/s10584-022-03368-1
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; fellowship for Youth Talent Support Program of Fujian Province ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders) ; Swedish Formas project (Future Research Leaders) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; fellowship for Youth Talent Support Program of Fujian Province ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders) ; Swedish Formas project (Future Research Leaders) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; fellowship for Youth Talent Support Program of Fujian Province ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders) ; Swedish Formas project (Future Research Leaders) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; fellowship for Youth Talent Support Program of Fujian Province ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders) ; Swedish Formas project (Future Research Leaders)
WOS KeywordCARBON-ISOTOPE COMPOSITION ; ATMOSPHERIC CO2 ; CLIMATE-CHANGE ; GAS-EXCHANGE ; TREE GROWTH ; DROUGHT ; DISCRIMINATION ; DELTA-C-13 ; GRASSLAND ; PLANTS
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDB26020000] ; National Science Foundation of China[41822101] ; National Science Foundation of China[41888101] ; National Science Foundation of China[41971022] ; National Science Foundation of China[41772180] ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders)[2017-01408]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; fellowship for Youth Talent Support Program of Fujian Province ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders) ; Swedish Formas project (Future Research Leaders) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; fellowship for Youth Talent Support Program of Fujian Province ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders) ; Swedish Formas project (Future Research Leaders) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; fellowship for Youth Talent Support Program of Fujian Province ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders) ; Swedish Formas project (Future Research Leaders) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; fellowship for Youth Talent Support Program of Fujian Province ; fellowship for Youth Talent Support Program of Fujian Province ; Swedish Formas project (Future Research Leaders) ; Swedish Formas project (Future Research Leaders)
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000802332800001
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/106040
Collection新生代地质与环境院重点实验室
Corresponding AuthorFang, Keyan
Affiliation1.Fujian Normal Univ, Coll Geog Sci, Key Lab Humid Subtrop Ecogeog Proc, Minist, Fuzhou, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Environm Evolut & Regulat, Chengdu, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China
4.Swiss Fed Res Inst WSL, Birmensdorf, Switzerland
5.Taiyuan Normal Univ, Res Ctr Sci Dev Fenhe River Valley, Jinzhong, Peoples R China
Recommended Citation
GB/T 7714
Bing, Xiaojin,Fang, Keyan,Gong, Xiaoying,et al. The intra-annual intrinsic water use efficiency dynamics based on an improved model[J]. CLIMATIC CHANGE,2022,172(1-2):19.
APA Bing, Xiaojin.,Fang, Keyan.,Gong, Xiaoying.,Wang, Wenzhi.,Xu, Chenxi.,...&Zhou, Feifei.(2022).The intra-annual intrinsic water use efficiency dynamics based on an improved model.CLIMATIC CHANGE,172(1-2),19.
MLA Bing, Xiaojin,et al."The intra-annual intrinsic water use efficiency dynamics based on an improved model".CLIMATIC CHANGE 172.1-2(2022):19.
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