IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Spatial patterns of precipitation-induced moisture availability and their effects on the divergence of conifer stem growth in the western and eastern parts of China's semi-arid region.
Zeng Xiaomin1; Evans Michael N.2; Liu Xiaohong1,3; Wang Wenzhi4,5; Xu Guobao5,6; Wu Guoju3; Zhang Lingnan1
Corresponding AuthorLiu, Xiaohong(xhliu@snnu.edu.cn)
2019
Source PublicationFOREST ECOLOGY AND MANAGEMENT
ISSN0378-1127
EISSN1872-7042
Volume451Pages:117524
SubtypeArticle
Contribution Rank4
AbstractConifer forests in semi-arid regions are fragile and sensitive to climate change. As the climate changes, more frequent drought and higher temperatures may reduce conifer stem growth in these regions, but moistening and lengthening of the growing season may improve tree growth conditions. The relative influences of specific climate parameters on conifer stem growth, however, remain poorly quantified in Asian regions. We analyzed conifer stem growth responses to climate in the semi-arid region of China. Our analyses show a wetting trend since 1960 in the western part of this region, versus a drying trend in the east. We used tree-ring width data from a network of 33 forests as inputs for the process-based Vaganov-Shashkin-Lite growth model to assess how moisture patterns have affected tree growth in this region, and then used the resulting model to predict changes in tree growth during the 21st century. Tree-ring growth in our study region is mainly controlled by precipitation and soil moisture, and shows significant impacts of antecedent moisture conditions (the "water memory effect"). However, the contribution of soil moisture to tree growth was stronger in the eastern vs. western sub-regions (77% vs. 69%). Pointer-year analysis showed significantly stronger growth responses to soil moisture in the early growing season (April to June) in positive pointer years in the eastern sub-region, but showed no difference in the western sub-region. These results indicate that tree-ring growth in the eastern sub-region is more vulnerable to moisture availability. Our simulations suggest that tree growth will increase slightly under the RCP 4.5 and RCP 8.5 scenarios in both sub-regions, possibly due to the prolongation of the growing season caused by climate warming.
KeywordDrought Semi-arid Tree rings Vaganov-Shashkin-Lite model Emission scenarios Water memory effect
DOI10.1016/j.foreco.2019.117524
Indexed BySCI
WOS KeywordTREE-RING-WIDTH ; CLIMATE-CHANGE ; RADIAL GROWTH ; SOIL-MOISTURE ; DROUGHT VARIABILITY ; QILIAN MOUNTAINS ; PINUS-TABULAEFORMIS ; NORTHWESTERN CHINA ; FOREST ECOSYSTEMS ; CENTRAL-EUROPE
Language英语
Funding ProjectNational Natural Science Foundation of China[41571196] ; National Natural Science Foundation of China[41421061] ; National Natural Science Foundation of China[41807431] ; National Science Foundation of Shaanxi Province[2019JQ-325] ; Fundamental Research Funds for the Central Universities[GK201801007] ; Fundamental Research Funds for the Central Universities[GK201903068] ; Self-determination Project of the State Key Laboratory of Cryospheric Sciences[SKLCS-ZZ-2019] ; China Scholarship Council ; Department of Geology at the University of Maryland
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000487577400008
Funding OrganizationNational Natural Science Foundation of China ; National Science Foundation of Shaanxi Province ; Fundamental Research Funds for the Central Universities ; Self-determination Project of the State Key Laboratory of Cryospheric Sciences ; China Scholarship Council ; Department of Geology at the University of Maryland
PublisherELSEVIER
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Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/31289
Collection山地表生过程与生态调控重点实验室
Corresponding AuthorLiu Xiaohong
Affiliation1.School of Geography and Tourism, Shaanxi Normal University, Xi’an 710119, China;
2.Department of Geology and Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA;
3.State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China;
4.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
5.Pacific Northwest National Laboratory, Richland 99352, USA;
6.Laboratory of Tree-Ring Research, University of Arizona, Tucson 85721, USA
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
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GB/T 7714
Zeng Xiaomin,Evans Michael N.,Liu Xiaohong,et al. Spatial patterns of precipitation-induced moisture availability and their effects on the divergence of conifer stem growth in the western and eastern parts of China's semi-arid region.[J]. FOREST ECOLOGY AND MANAGEMENT,2019,451:117524.
APA Zeng Xiaomin.,Evans Michael N..,Liu Xiaohong.,Wang Wenzhi.,Xu Guobao.,...&Zhang Lingnan.(2019).Spatial patterns of precipitation-induced moisture availability and their effects on the divergence of conifer stem growth in the western and eastern parts of China's semi-arid region..FOREST ECOLOGY AND MANAGEMENT,451,117524.
MLA Zeng Xiaomin,et al."Spatial patterns of precipitation-induced moisture availability and their effects on the divergence of conifer stem growth in the western and eastern parts of China's semi-arid region.".FOREST ECOLOGY AND MANAGEMENT 451(2019):117524.
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