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Tree-to-tree competition in mixed European beech-Scots pine forests has different impacts on growth and water-use efficiency depending on site condition.

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dc.contributor.authorGonzález de Andrés, Ester
dc.contributor.authorCamarero, Jesús Julioes_ES
dc.contributor.authorBlanco Vaca, Juan Antonio
dc.contributor.authorImbert Rodríguez, Bosco
dc.contributor.authorLo, Yueh-Hsin
dc.contributor.authorSangüesa Barreda, G.es_ES
dc.contributor.authorCastillo Martínez, Federico
dc.contributor.departmentCiencias del Medio Naturales_ES
dc.contributor.departmentNatura Ingurunearen Zientziakeu
dc.date.accessioned2024-02-09T10:34:53Z
dc.date.available2024-02-09T10:34:53Z
dc.date.issued2018
dc.date.updated2024-02-09T10:13:30Z
dc.description.abstractMixed conifer-hardwood forests can be more productive than pure forests and they are increasingly considered as ecosystems that could provide adaptation strategies in the face of global change. However, the combined effects of tree-to-tree competition, rising atmospheric CO2 concentrations and climate on such mixtures remain poorly characterized and understood.2. To fill this research gap, we reconstructed 34-year series (1980-2013) of growth (basal area increment, BAI) and intrinsic water-use efficiency (iWUE) of Scots pine (Pinus sylvestris L.)-European beech (Fagus sylvatica L.) mixed stands at two climati-cally contrasting sites located in the southwestern Pyrenees. We also gathered data on tree-to-tree competition and climate variables in order to test the hypotheses that (1) radial growth will be greater when exposed to inter- than to intraspecific competition, that is, when species complementarity occurs and (2) enhanced iWUE could be linked to improved stem radial growth.3. Growth of both species was reduced when intraspecific competition increased. Species complementarity was linked to improved growth of Scots pine at the continental site, while competition overrode any complementarity advantage at the drought-prone Mediterranean site. Beech growth did not show any significant response to pine admixture likely due to shade tolerance and the highly competitive nature of this species. Increasing interspecific competition drove recent iWUE changes, which increased in Scots pine but decreased in European beech. The iWUE enhancement did not involve any growth improvement in Scots pine. However, the positive BAIiWUE relationship found for beech suggests an enhanced beech growth in drought-prone sites due to improved water use.4. Synthesis. Complementarity may enhance growth in mixed forests. However, water scarcity can constrict light-related complementarity for shade intolerant species (Scots pine) in drought-prone sites. Basal area increment-intrinsic water-use efficiency relationships were negative for Scots pine and positive for European beech. These contrasting behaviours have got implications for coping with the expected increasing drought events in Scots pine-European beech mixtures located near ecological limit of the two species. Complementarity effects between tree species should be considered to avoid overestimating the degree of future carbon uptake by mixed conifer¿broadleaf forests.en
dc.description.sponsorshipMinisterio de Ciencia y Tecnología, Grant/Award Number: RYC-2011-08082; Seventh Framework Programme, Grant/Award Number: CIG-2012-326718-ECOPYREN3; Ministerio de Economía y Competitividad, Grant/Award Number: AGL2012-33465 and BES-2013-066705en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGonzález-de Andrés, E., Camarero, J.J., Blanco-Vaca, J.A., Imbert-Rodriguez, J.B., Lo, Y.H., Sangüesa-Barreda, G., Castillo-Martínez, F.J. (2018) Tree-to-tree competition in mixed European beech-Scots pine forests has different impacts on growth and water-use efficiency depending on site condition. Journal of ecology, 106(1), 59-75. https://doi.org/10.1111/1365-2745.12813.en
dc.identifier.doi10.1111/1365-2745.12813
dc.identifier.issn0022-0477
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/47385
dc.language.isoengen
dc.publisherWileyen
dc.publisherBritish Ecological Societyen
dc.relation.ispartofJournal of Ecology 2018; 106: 59–75en
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN//RYC-2011-08082/ES/RYC-2011-08082/en
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO//AGL2012-33465/ES/en
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO//BES-2013-066705/ES/BES-2013-066705/en
dc.relation.projectIDinfo:eu-repo/grantAgreement/European Commission/FP7/326718en
dc.relation.publisherversionhttps://doi.org/10.1111/1365-2745.12813
dc.rights© 2017 The Authors © 2017 British Ecological Societyen
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen
dc.subjectAtmospheric CO2 concentrationen
dc.subjectBasal area incrementen
dc.subjectBiotic interactionsen
dc.subjectDroughten
dc.subjectFagus sylvaticaen
dc.subjectPinus sylvestrisen
dc.subjectStable carbon isotopesen
dc.titleTree-to-tree competition in mixed European beech-Scots pine forests has different impacts on growth and water-use efficiency depending on site condition.en
dc.typeArtículo / Artikuluaes
dc.typeinfo:eu-repo/semantics/articleen
dc.type.versionVersión aceptada / Onetsi den bertsioaes
dc.type.versioninfo:eu-repo/semantics/acceptedVersionen
dspace.entity.typePublication
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relation.isAuthorOfPublication19d65e9c-1aa0-444a-b622-f18b76eef839
relation.isAuthorOfPublication.latestForDiscovery006b0156-62a5-424f-b13a-319445defabb

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