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Exploring complex water stress–gross primary production relationships: Impact of climatic drivers, main effects, and interactive effects

hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorWANG, Huan
dc.contributor.authorYAN, Shijie
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
dc.contributor.authorCIAIS, Philippe
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorWIGNERON, Jean-Pierre
dc.contributor.authorLIU, Laibao
dc.contributor.authorLI, Yan
hal.structure.identifierLaboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] [LSCE]
dc.contributor.authorFU, Zheng
dc.contributor.authorMA, Hongliang
dc.contributor.authorLIANG, Ze
dc.contributor.authorWEI, Feili
dc.contributor.authorWANG, Yueyao
dc.contributor.authorLI, Shuangcheng
dc.date.accessioned2024-04-08T11:47:45Z
dc.date.available2024-04-08T11:47:45Z
dc.date.issued2022
dc.identifier.issn1354-1013
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/195288
dc.description.abstractEnThe dominance of vapor pressure deficit (VPD) and soil water content (SWC) for plant water stress is still under debate. These two variables are strongly coupled and influenced by climatic drivers. The impacts of climatic drivers on the relationships between gross primary production (GPP) and water stress from VPD/SWC and the interaction between VPD and SWC are not fully understood. Here, applying statistical methods and extreme gradient boosting models—Shapley additive explanations framework to eddy-covariance observations from the global FLUXNET2015 data set, we found that the VPD-GPP relationship was strongly influenced by climatic interactions and that VPD was more important for plant water stress than SWC across most plant functional types when we removed the effect of main climatic drivers, e.g. air temperature, incoming shortwave radiation and wind speed. However, we found no evidence for a significant influence of elevated CO2 on stress alleviation, possibly because of the short duration of the records (approximately one decade). Additionally, the interactive effect between VPD and SWC differed from their individual effect. When SWC was high, the SHAP interaction value of SWC and VPD on GPP was decreased with increasing VPD, but when SWC was low, the trend was the opposite. Additionally, we revealed a threshold effect for VPD stress on GPP loss; above the threshold value, the stress on GPP was flattened off. Our results have important implications for independently identifying VPD and SWC limitations on plant productivity, which is meaningful for capturing the magnitude of ecosystem responses to water stress in dynamic global vegetation models.
dc.language.isoen
dc.publisherWiley
dc.subject.enCO2 effect
dc.subject.engross primary production
dc.subject.eninteractive effect
dc.subject.enmain effect
dc.subject.enSHAP value
dc.subject.ensoil water content
dc.subject.envapor pressure deficit
dc.title.enExploring complex water stress–gross primary production relationships: Impact of climatic drivers, main effects, and interactive effects
dc.typeArticle de revue
dc.identifier.doi10.1111/gcb.16201
dc.subject.halPlanète et Univers [physics]/Océan, Atmosphère
dc.subject.halPlanète et Univers [physics]/Interfaces continentales, environnement
bordeaux.journalGlobal Change Biology
bordeaux.page4110-4123
bordeaux.volume28
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.issue13
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-03665722
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03665722v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Global%20Change%20Biology&rft.date=2022&rft.volume=28&rft.issue=13&rft.spage=4110-4123&rft.epage=4110-4123&rft.eissn=1354-1013&rft.issn=1354-1013&rft.au=WANG,%20Huan&YAN,%20Shijie&CIAIS,%20Philippe&WIGNERON,%20Jean-Pierre&LIU,%20Laibao&rft.genre=article


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