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hal.structure.identifierSILVA [SILVA]
hal.structure.identifierEcologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes [UMR Eco&Sols]
dc.contributor.authorMARTIN-BLANGY, Soline
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
hal.structure.identifierUnité expérimentale Forêt Pierroton [UEFP]
dc.contributor.authorMEREDIEU, Céline
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorJACTEL, Hervé
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorBONAL, Damien
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorCHARRU, Marie
dc.date.accessioned2024-04-08T11:45:33Z
dc.date.available2024-04-08T11:45:33Z
dc.date.created2021
dc.date.issued2023
dc.identifier.issn1612-4669
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/195198
dc.description.abstractEnMixed-species plantation forests are of high interest both because of their potentially superior productivity and multi-functionality benefits over monocultures. However, how trees of different species interact at the canopy level in mixed forests remains unclear, even at young growth stages. We tested whether crown shape and size and stand-level canopy packing were affected by stand composition and how mixture effects varied with stand density and irrigation. We measured crown attributes in pure and mixed plots of two light-demanding species, silver birch (Betula pendula Roth) and maritime pine (Pinus pinaster Ait.), in a 10-year-old tree diversity experiment (ORPHEE). This allowed us to estimate tree-level crown volumes and stand-level canopy packing. We found that (i) at the tree level, stand composition influenced crown-stem allometric relationships in pine but not in birch, (ii) mixture led to greater crown and tree dimensions in pine, but to the opposite for birch, (iii) the changes in crown volume resulted in a higher canopy packing in mixed stands, only at high density and with no irrigation, i.e., under highest constraints for light availability but also soil water availability, contrary to initial expectations. This study sheds light on the effects of water constraints on the aboveground mechanistic processes that explain greater productivity in young mixed plantations, and improves our understanding of canopy packing in mixed stands.
dc.description.sponsorshipDiversité et Productivité des forêTs impactées par le Changement Climatique - ANR-16-CE32-0003
dc.description.sponsorshipRecherches Avancées sur l'Arbre et les Ecosytèmes Forestiers - ANR-11-LABX-0002
dc.description.sponsorshipPlateforme d'Innovation " Forêt-Bois-Fibre-Biomasse du Futur " - ANR-10-EQPX-0016
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enBiodiversity-ecosystem functioning
dc.subject.enMixed-species plantation
dc.subject.enCanopy space filling
dc.subject.enCrown plasticity
dc.subject.enPinus pinaster
dc.subject.enBetula pendula
dc.title.enSpecies-mixing effects on crown dimensions and canopy packing in a young pine–birch plantation are modulated by stand density and irrigation
dc.typeArticle de revue
dc.identifier.doi10.1007/s10342-022-01511-2
dc.subject.halSciences de l'environnement/Biodiversité et Ecologie
bordeaux.journalEuropean Journal of Forest Research
bordeaux.page197–216
bordeaux.volume142
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-03872564
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03872564v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=European%20Journal%20of%20Forest%20Research&rft.date=2023&rft.volume=142&rft.spage=197%E2%80%93216&rft.epage=197%E2%80%93216&rft.eissn=1612-4669&rft.issn=1612-4669&rft.au=MARTIN-BLANGY,%20Soline&MEREDIEU,%20C%C3%A9line&JACTEL,%20Herv%C3%A9&BONAL,%20Damien&CHARRU,%20Marie&rft.genre=article


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