globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13920
Scopus记录号: 2-s2.0-85039702189
论文题名:
Differentiating drought legacy effects on vegetation growth over the temperate Northern Hemisphere
作者: Wu X.; Liu H.; Li X.; Ciais P.; Babst F.; Guo W.; Zhang C.; Magliulo V.; Pavelka M.; Liu S.; Huang Y.; Wang P.; Shi C.; Ma Y.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期:1
起始页码: 504
结束页码: 516
语种: 英语
英文关键词: drought legacy effect ; drought resilience ; ecohydrological responses ; extreme drought ; plant functional groups ; rooting system ; stomatal conductance ; vegetation growth
Scopus关键词: drought ; ecohydrology ; extreme event ; functional group ; growth response ; hydrological response ; Northern Hemisphere ; plant ; rooting ; stomatal conductance ; temperate environment ; vegetation ; water ; climate change ; drought ; forest ; growth, development and aging ; hydrology ; physiology ; tree ; Climate Change ; Droughts ; Forests ; Hydrology ; Trees ; Water
英文摘要: In view of future changes in climate, it is important to better understand how different plant functional groups (PFGs) respond to warmer and drier conditions, particularly in temperate regions where an increase in both the frequency and severity of drought is expected. The patterns and mechanisms of immediate and delayed impacts of extreme drought on vegetation growth remain poorly quantified. Using satellite measurements of vegetation greenness, in-situ tree-ring records, eddy-covariance CO2 and water flux measurements, and meta-analyses of source water of plant use among PFGs, we show that drought legacy effects on vegetation growth differ markedly between forests, shrubs and grass across diverse bioclimatic conditions over the temperate Northern Hemisphere. Deep−rooted forests exhibit a drought legacy response with reduced growth during up to 4 years after an extreme drought, whereas shrubs and grass have drought legacy effects of approximately 2 years and 1 year, respectively. Statistical analyses partly attribute the differences in drought legacy effects among PFGs to plant eco-hydrological properties (related to traits), including plant water use and hydraulic responses. These results can be used to improve the representation of drought response of different PFGs in land surface models, and assess their biogeochemical and biophysical feedbacks in response to a warmer and drier climate. © 2017 John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110591
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, China; Faculty of Geographical Science, Beijing Normal University, Beijing, China; College of Urban and Environmental Science, Peking University, Beijing, China; CEA-CNRS-UVSQ, UMR8212-Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Gif-Sur-Yvette, France; Dendro Sciences, Swiss Federal Research Institute WSL, Birmensdorf, Switzerland; W. Szafer Institute of Botany, Polish Academy of Sciences, Krakow, Poland; National Research Council of Italy, Institute for Mediterranean Agriculture and Forest Systems (CNR-ISAFoM), Ercolano, Italy; CzechGlobe-Global Change Research Institute CAS, Brno, Czech Republic; College of Global Change and Earth System Science, Beijing Normal University, Beijing, China

Recommended Citation:
Wu X.,Liu H.,Li X.,et al. Differentiating drought legacy effects on vegetation growth over the temperate Northern Hemisphere[J]. Global Change Biology,2018-01-01,24(1)
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