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Improvement of water and light availability after thinning at a xeric site: which matters more? A dual isotope approach

hal.structure.identifierSwiss Federal Institute for Forest, Snow and Landscape Research WSL
dc.contributor.authorGIUGGIOLA, Arnaud
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorOGÉE, Jérôme
hal.structure.identifierSwiss Federal Institute for Forest, Snow and Landscape Research WSL
dc.contributor.authorRIGLING, Andreas
hal.structure.identifierSwiss Federal Institute for Forest, Snow and Landscape Research WSL
dc.contributor.authorGESSLER, Arthur
hal.structure.identifierForest Ecology, Department of Environmental Systems Science
dc.contributor.authorBUGMANN, Harald
hal.structure.identifierSwiss Federal Institute for Forest, Snow and Landscape Research WSL
dc.contributor.authorTREYDTE, Kerstin
dc.date.accessioned2024-04-08T12:11:46Z
dc.date.available2024-04-08T12:11:46Z
dc.date.issued2016
dc.identifier.issn0028-646X
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/196709
dc.description.abstractEnThinning fosters individual tree growth by increasing the availability of water, light and nutrients. At sites where water rather than light is limiting, thinning also enhances soil evaporation and might not be beneficial. Detailed knowledge of the short- to long-term physiological response underlying the growth responses to thinning is crucial for the management of forests already suffering from recurrent drought-induced dieback. * We applied a dual isotope approach together with mechanistic isotope models to study the physiological processes underlying long-term growth enhancement of heavily thinned Pinus sylvestris in a xeric forest in Switzerland. This approach allowed us to identify and disentangle thinning-induced changes in stomatal conductance and assimilation rate. * At our xeric study site, the increase in stomatal conductance far outweighed the increase in assimilation, implying that growth release in heavily thinned trees is primarily driven by enhanced water availability rather than increased light availability. * We conclude that in forests with relatively isohydric species (drought avoiders) that are growing close to their physiological limits, thinning is recommended to maintain a less negative water balance and thus foster tree growth, and ultimately the survival of forest trees under drought.
dc.language.isoen
dc.publisherWiley
dc.subject.enassimilation
dc.subject.enlight
dc.subject.enMuSICA model
dc.subject.enstable isotopes
dc.subject.enstomatal conductance
dc.subject.enthinning
dc.subject.entree rings
dc.subject.enwater
dc.title.enImprovement of water and light availability after thinning at a xeric site: which matters more? A dual isotope approach
dc.typeArticle de revue
dc.identifier.doi10.1111/nph.13748
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalNew Phytologist
bordeaux.page108-121
bordeaux.volume210
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.issue1
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-01509038
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01509038v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=New%20Phytologist&rft.date=2016&rft.volume=210&rft.issue=1&rft.spage=108-121&rft.epage=108-121&rft.eissn=0028-646X&rft.issn=0028-646X&rft.au=GIUGGIOLA,%20Arnaud&OG%C3%89E,%20J%C3%A9r%C3%B4me&RIGLING,%20Andreas&GESSLER,%20Arthur&BUGMANN,%20Harald&rft.genre=article


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