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Plant Water Use Strategy in Response to Spatial and Temporal Variation in Precipitation Patterns in China: A Stable Isotope Analysis
Zhao, Ying1,2; Wang, Li1
2018-03-01
Source PublicationFORESTS
ISSN1999-4907
Volume9Issue:3Pages:21
Corresponding AuthorWang, Li(wangli5208@nwsuaf.edu.cn)
AbstractSpatial and temporal variation in precipitation patterns can directly alter the survival and growth of plants, yet in China there is no comprehensive and systematic strategy for plant use based on the effects of precipitation patterns. Here, we examined information from 93 published papers (368 plant species) on plant xylem water stable isotopes (delta D and delta O-18) in China. The results showed that: (1) The slope of the local meteoric water line (LMWL) gradually increased from inland areas to the coast, as a result of continental and seasonal effects. The correlation between delta(D) and delta O-18 in plant stem water is also well fitted and the correlation coefficients range from 0.78 to 0.89. With respect to the soil water line, the delta O-18 values in relation to depth (0-100 cm) varied over time; (2) Plants' main water sources are largely affected by precipitation patterns. In general, plants prioritize the use of stable and continuous water sources, while they have a more variable water uptake strategy under drought conditions; (3) There are no spatial and temporal variations in the contribution of the main water source (p > 0.05) because plants maintain growth by shifting their use of water sources when resources are unreliable.
Keywordstable isotope local meteoric water line (LMWL) plant main water source (PMWS) contribution of plant main water source (CPMWS) China
DOI10.3390/f9030123
WOS KeywordSYLVESTRIS VAR. MONGOLICA ; DESERT PLANTS ; POPULUS-EUPHRATICA ; SOIL-WATER ; METEORIC PRECIPITATION ; SEASONAL-VARIATIONS ; NORTHWESTERN CHINA ; GROUNDWATER USE ; DIFFERENT AGES ; JUGLANS-REGIA
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[4177010434] ; National Natural Science Foundation of China[41390463] ; National Natural Science Foundation of China[41741002] ; National Key Research and Development Program of China[2016YFC0501604]
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000428508200026
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54749
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Li
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Ying,Wang, Li. Plant Water Use Strategy in Response to Spatial and Temporal Variation in Precipitation Patterns in China: A Stable Isotope Analysis[J]. FORESTS,2018,9(3):21.
APA Zhao, Ying,&Wang, Li.(2018).Plant Water Use Strategy in Response to Spatial and Temporal Variation in Precipitation Patterns in China: A Stable Isotope Analysis.FORESTS,9(3),21.
MLA Zhao, Ying,et al."Plant Water Use Strategy in Response to Spatial and Temporal Variation in Precipitation Patterns in China: A Stable Isotope Analysis".FORESTS 9.3(2018):21.
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