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Bioclimatic modelling and environmental tolerance to global change in strawberry tree

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dc.contributor.authorRibeiro, M.M.A.
dc.contributor.authorRoque, Natália
dc.contributor.authorRibeiro, Sílvia
dc.contributor.authorAlbuquerque, M.T.D.
dc.contributor.authorGavinhos, Catarina
dc.contributor.authorQuinta-Nova, L. C.
dc.date.accessioned2017-09-23T00:24:44Z
dc.date.available2017-09-23T00:24:44Z
dc.date.issued2017
dc.description.abstractThe strawberry tree (Arbutus unedo L.) displays potential to be successfully businesslike-cultured in several areas of Portugal and southern Europe, but remains largely a neglected crop. This region is also particularly vulnerable to global warming, reduction of precipitations and a long-term negative effect on vegetation. To investigate interactions between the species’ distribution and ecological factors we used 319 plots (1km grid level), where the species are present in Portugal, characterized with 8 ecological attributes: ombrothermic Index (OI), thermicity Index (TI) and continentality Index (CI), pH, organic matter (OM), sand, topographic position index (TPI), number of fires (NF) and burned area (BA). The obtained matrix was firstly analyzed through PCA to reduce the space of analysis by a construction of synthesis variables (Spearman’s rank correlation matrix) and thus to detect patterns within the data set and possible collinear covariates. Finally, the vulnerability of strawberry tree to the effects of global climate change was examined. For that purpose, two ‘representative concentration pathways’ (RCPs) scenarios were predicted (RCP 2.6 and RCP 6.0) using climatic data, extracted from WorldClim, for distribution changes characterization in two periods (2050 and 2070). The MaxEnt allowed spatial Interpolation using the 319 1K plots. The PCA showed that the climatic attributes (OI, and TI) displayed the highest components’ correlation values. The strawberry tree prefers areas with higher TI and lower acidity values within the mesomediterranean and termomediterranean belts. Additionally, with lower correlation values, the presence of the species is explained by lower OI values, OM, BA and NF. The prediction results revealed reduction of the potential area of the species, providing a key tool to support conservation management decisions, to design regions of provenance, and to manage genetic improvement programs.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRIBEIRO, M.M.A. [et al.] (2017) - Bioclimatic modelling and environmental tolerance to global change in strawberry tree. In IUFRO Anniversary Congress,, 125, 2017, Freiburg, 2017.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.11/5710
dc.language.isoengpt_PT
dc.peerreviewednopt_PT
dc.relationFCT (Fundação para a Ciência e a Tecnologia) grant ID/AGR/00239/2013).pt_PT
dc.subjectHabitat suitabilitypt_PT
dc.subjectArbutus unedopt_PT
dc.subjectGlobal changept_PT
dc.subjectMaxEntpt_PT
dc.titleBioclimatic modelling and environmental tolerance to global change in strawberry treept_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceFreiburg, Alemanhapt_PT
oaire.citation.titleIUFRO 125th Anniversary Congresspt_PT
person.familyNameRibeiro
person.familyNameMartins Roque
person.familyNameRibeiro
person.familyNameAlbuquerque
person.familyNameGavinhos
person.familyNameQuinta-Nova
person.givenNameMaria Margarida
person.givenNameNatália
person.givenNameSilvia
person.givenNameMaria Teresa
person.givenNameCatarina
person.givenNameLuís
person.identifier349097
person.identifierNatália Martins Roque
person.identifier.ciencia-idAD12-4D32-7A48
person.identifier.ciencia-id451A-332D-0798
person.identifier.ciencia-idB21E-9D3F-787E
person.identifier.ciencia-id5A1C-8956-4C0A
person.identifier.ciencia-idAB11-1857-72E7
person.identifier.ciencia-id7E1C-426F-DCFF
person.identifier.orcid0000-0003-4684-1262
person.identifier.orcid0000-0001-8859-4365
person.identifier.orcid0000-0002-3297-178X
person.identifier.orcid0000-0002-8782-6133
person.identifier.orcid0000-0002-6011-5016
person.identifier.orcid0000-0002-8464-7527
person.identifier.ridM-4235-2013
person.identifier.ridB-1536-2013
person.identifier.ridO-2888-2014
person.identifier.scopus-author-id7201715611
person.identifier.scopus-author-id57200227653
person.identifier.scopus-author-id55420209800
person.identifier.scopus-author-id55507421600
person.identifier.scopus-author-id36954969800
person.identifier.scopus-author-id36094927600
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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