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Sap flow of black locust in response to short-term drought in southern Loess Plateau of China
Zhang, Qingyin1; Jia, Xiaoxu2,3; Shao, Mingan1,2,3; Zhang, Chencheng1; Li, Xiangdong1; Ma, Changkun1
2018-04-18
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume8Pages:10
Corresponding AuthorJia, Xiaoxu(jiaxx@igsnrr.ac.cn)
AbstractSoil water shortage is a major factor influencing the ecology and hydrology of vegetation in China's semihumid Loess Plateau. However, few studies have experimentally assessed how expected changes in precipitation will affect sap flow in semihumid forest ecosystems. In this study, we measured the sap flow of black locust (Robinia pseudoacacia Linn.) under ambient and drought (induced by throughfall exclusion) conditions in 2015 and 2016, and investigated the relationship between stand transpiration and environmental factors in the semihumid China's Loess Plateau. Throughfall exclusion significantly decreased sap flux density and stand transpiration by 39% and 28%, respectively, in 2016, which may have been due to the cumulative droughts effect from both 2015 and 2016. Throughfall exclusion caused a significant reduction in soil moisture, leaf area index (LAI), and stem diameter. Stand transpiration was positively correlated with LAI (P < 0.01), but precipitation and soil moisture did not correlate with stand transpiration at a daily timescale, suggesting that LAI can be used as a proxy for stand transpiration. Our results highlight that precipitation must be considered when planting black locust in semihumid regions. These findings provide basic information about the management of water resources and vegetation restoration in the semihumid China's Loess Plateau and possibly other water-limited regions around the world.
DOI10.1038/s41598-018-24669-5
WOS KeywordAMAZONIAN RAIN-FOREST ; SOIL-MOISTURE DECLINE ; ESTIMATING WATER-USE ; THERMAL DISSIPATION ; TRANSPIRATION ; TREES ; STORAGE ; XYLEM ; EVAPOTRANSPIRATION ; CLIMATE
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41501233] ; National Natural Science Foundation of China[41530854] ; National Key Project for Research and Development[2016YFC0501605] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2017076] ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau[A314021402-1806]
Funding OrganizationNational Natural Science Foundation of China ; National Key Project for Research and Development ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000430282200030
PublisherNATURE PUBLISHING GROUP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/57425
Collection中国科学院地理科学与资源研究所
Corresponding AuthorJia, Xiaoxu
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Qingyin,Jia, Xiaoxu,Shao, Mingan,et al. Sap flow of black locust in response to short-term drought in southern Loess Plateau of China[J]. SCIENTIFIC REPORTS,2018,8:10.
APA Zhang, Qingyin,Jia, Xiaoxu,Shao, Mingan,Zhang, Chencheng,Li, Xiangdong,&Ma, Changkun.(2018).Sap flow of black locust in response to short-term drought in southern Loess Plateau of China.SCIENTIFIC REPORTS,8,10.
MLA Zhang, Qingyin,et al."Sap flow of black locust in response to short-term drought in southern Loess Plateau of China".SCIENTIFIC REPORTS 8(2018):10.
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