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Coordination and trade-offs between leaf and stem hydraulic traits and stomatal regulation along a spectrum of isohydry to anisohydry
Fu, Xiaoli1,2; Meinzer, Frederick C.3; Woodruff, David R.3; Liu, Yan-Yan4; Smith, Duncan D.5; McCulloh, Katherine A.5; Howard, Ava R.6
2019-07-01
Source PublicationPLANT CELL AND ENVIRONMENT
ISSN0140-7791
Volume42Issue:7Pages:2245-2258
Corresponding AuthorMeinzer, Frederick C.(rick.meinzer@oregonstate.edu)
AbstractThe degree of plant iso/anisohydry, a widely used framework for classifying species-specific hydraulic strategies, integrates multiple components of the whole-plant hydraulic pathway. However, little is known about how it associates with coordination of functional and structural traits within and across different organs. We examined stem and leaf hydraulic capacitance and conductivity/conductance, stem xylem anatomical features, stomatal regulation of daily minimum leaf and stem water potential (psi), and the kinetics of stomatal responses to vapour pressure deficit (VPD) in six diverse woody species differing markedly in their degree of iso/anisohydry. At the stem level, more anisohydric species had higher wood density and lower native capacitance and conductivity. Like stems, leaves of more anisohydric species had lower hydraulic conductance; however, unlike stems, their leaves had higher native capacitance at their daily minimum values of leaf psi. Moreover, rates of VPD-induced stomatal closure were related to intrinsic rather than native leaf capacitance and were not associated with species' degree of iso/anisohydry. Our results suggest a trade-off between hydraulic storage and efficiency in the leaf, but a coordination between hydraulic storage and efficiency in the stem along a spectrum of plant iso/anisohydry.
Keywordhydraulic capacitance leaf hydraulic conductance stem hydraulic conductivity stomatal regulation wood anatomy
DOI10.1111/pce.13543
WOS KeywordWATER-STORAGE CAPACITY ; FUNCTIONAL-SIGNIFICANCE ; SAPWOOD CAPACITANCE ; WOOD DENSITY ; DRY FOREST ; TRANSPORT ; DROUGHT ; ANGIOSPERM ; VULNERABILITY ; CONDUCTANCE
Indexed BySCI
Language英语
Funding ProjectNSF[IOS 11-46746]
Funding OrganizationNSF
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000471703500014
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/58754
Collection中国科学院地理科学与资源研究所
Corresponding AuthorMeinzer, Frederick C.
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Qianyanzhou Ecol Res Stn, Beijing, Peoples R China
2.Zhongke Jian Inst Ecoenvironm Sci, Jian, Jiangxi, Peoples R China
3.US Forest Serv, USDA, Pacific Northwest Res Stn, Corvallis, OR 97331 USA
4.Guangxi Teachers Educ Univ, Minist Educ, Key Lab Environm Change & Resources Use Beibu Gul, Nanning, Peoples R China
5.Univ Wisconsin, Dept Bot, Madison, WI USA
6.Western Oregon Univ, Dept Biol, Monmouth, OR USA
Recommended Citation
GB/T 7714
Fu, Xiaoli,Meinzer, Frederick C.,Woodruff, David R.,et al. Coordination and trade-offs between leaf and stem hydraulic traits and stomatal regulation along a spectrum of isohydry to anisohydry[J]. PLANT CELL AND ENVIRONMENT,2019,42(7):2245-2258.
APA Fu, Xiaoli.,Meinzer, Frederick C..,Woodruff, David R..,Liu, Yan-Yan.,Smith, Duncan D..,...&Howard, Ava R..(2019).Coordination and trade-offs between leaf and stem hydraulic traits and stomatal regulation along a spectrum of isohydry to anisohydry.PLANT CELL AND ENVIRONMENT,42(7),2245-2258.
MLA Fu, Xiaoli,et al."Coordination and trade-offs between leaf and stem hydraulic traits and stomatal regulation along a spectrum of isohydry to anisohydry".PLANT CELL AND ENVIRONMENT 42.7(2019):2245-2258.
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