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A synthesis of the effects of atmospheric carbon dioxide enrichment on plant hydraulics: implications for whole-plant water use efficiency and resistance to drought

hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
hal.structure.identifierNicholas School of the Environment
dc.contributor.authorDOMEC, Jean-Christophe
hal.structure.identifierDepartment of Botany
dc.contributor.authorSMITH, Duncan D.
hal.structure.identifierDepartment of Botany
dc.contributor.authorMCCULLOH, Kate A.
dc.date.accessioned2024-04-08T12:09:18Z
dc.date.available2024-04-08T12:09:18Z
dc.date.issued2017
dc.identifier.issn0140-7791
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/196568
dc.description.abstractEnHere, we summarize studies on the effects of elevated [CO2 ] (CO2(e) ) on the structure and function of plant hydraulic architecture and explore the implications of those changes using a model. Changes in conduit diameter and hydraulic conductance due to CO2(e) vary among species. Ring-porous species tend towards an increase in conduit size and consequently conductivity. The effect in diffuse-porous species is much more limited. In conifers, the results are mixed, some species show minor changes in xylem structure, while other studies found increases in tracheid density and diameter. Non-woody plants generally exhibited the reverse pattern with narrower conduits and lower hydraulic conductivity under CO2(e) . Further, changes in drought-resistance traits suggest that non-woody plants were the most affected by CO2(e) , which may permit them to better resist drought-induced embolism under future conditions. Due to their complexity, acclimation in hydraulic traits in response to CO2(e) is difficult to interpret when relying solely on measurements. When we examined how the observed tissues-specific trends might alter plant function, our modelling results suggest that these hydraulic changes would lead to reduced conductance and more frequent drought stress in trees that develop under CO2(e) with a more pronounced effect in isohydric than in anisohydric species.
dc.language.isoen
dc.publisherWiley
dc.rights.urihttp://creativecommons.org/licenses/by-sa/
dc.subjectarchitecture hydraulique
dc.subjectbois
dc.subjectembolie
dc.subject.enanatomy
dc.subject.enanisohydric
dc.subject.encavitation
dc.subject.enclimate change
dc.subject.enelevated CO2
dc.subject.enembolism vulnerability
dc.subject.enisohydric
dc.subject.entranspiration
dc.subject.enwood
dc.subject.entimber
dc.subject.enembolism
dc.title.enA synthesis of the effects of atmospheric carbon dioxide enrichment on plant hydraulics: implications for whole-plant water use efficiency and resistance to drought
dc.typeArticle de revue
dc.identifier.doi10.1111/pce.12843
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalPlant, Cell and Environment
bordeaux.page921-937
bordeaux.volume40
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.issue6
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-01608530
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01608530v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Plant,%20Cell%20and%20Environment&rft.date=2017&rft.volume=40&rft.issue=6&rft.spage=921-937&rft.epage=921-937&rft.eissn=0140-7791&rft.issn=0140-7791&rft.au=DOMEC,%20Jean-Christophe&SMITH,%20Duncan%20D.&MCCULLOH,%20Kate%20A.&rft.genre=article


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