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Cork oak vulnerability to fire: the role of bark harvesting, tree characteristics and abiotic factors

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dc.contributor.authorCatry, Filipe
dc.contributor.authorMoreira, Francisco
dc.contributor.authorPausas, Juli G.
dc.contributor.authorFernandes, Paulo M.
dc.contributor.authorRego, Francisco Castro
dc.contributor.authorCardillo, Enrique
dc.contributor.authorCurt, Thomas
dc.date.accessioned2019-04-05T08:55:51Z
dc.date.available2019-04-05T08:55:51Z
dc.date.issued2012
dc.description.abstractForest ecosystems where periodical tree bark harvesting is a major economic activity may be particularly vulnerable to disturbances such as fire, since debarking usually reduces tree vigour and protection against external agents. In this paper we asked how cork oak Quercus suber trees respond after wildfires and, in particular, how bark harvesting affects post-fire tree survival and resprouting. We gathered data from 22 wildfires (4585 trees) that occurred in three southern European countries (Portugal, Spain and France), covering a wide range of conditions characteristic of Q. suber ecosystems. Post-fire tree responses (tree mortality, stem mortality and crown resprouting) were examined in relation to management and ecological factors using generalized linear mixed-effects models. Results showed that bark thickness and bark harvesting are major factors affecting resistance of Q. suber to fire. Fire vulnerability was higher for trees with thin bark (young or recently debarked individuals) and decreased with increasing bark thickness until cork was 3–4 cm thick. This bark thickness corresponds to the moment when exploited trees are debarked again, meaning that exploited trees are vulnerable to fire during a longer period. Exploited trees were also more likely to be top-killed than unexploited trees, even for the same bark thickness. Additionally, vulnerability to fire increased with burn severity and with tree diameter, and was higher in trees burned in early summer or located in drier south-facing aspects. We provided tree response models useful to help estimating the impact of fire and to support management decisions. The results suggested that an appropriate management of surface fuels and changes in the bark harvesting regime (e.g. debarking coexisting trees in different years or increasing the harvesting cycle) would decrease vulnerability to fire and contribute to the conservation of cork oak ecosystemspt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCatry FX, Moreira F, Pausas JG, Fernandes PM, Rego F, et al. (2012) Cork Oak Vulnerability to Fire: The Role of Bark Harvesting, Tree Characteristics and Abiotic Factors. PLoS ONE 7(6): e39810pt_PT
dc.identifier.doidoi:10.1371/journal.pone.0039810pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/17696
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherPlosOnept_PT
dc.relationSFRH/ BD/65991/2009pt_PT
dc.relationCOST FP0701pt_PT
dc.subjectcork oakpt_PT
dc.subjectbark harvestingpt_PT
dc.subjectfirept_PT
dc.subjecttree mortalitypt_PT
dc.titleCork oak vulnerability to fire: the role of bark harvesting, tree characteristics and abiotic factorspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberPOCI/AGR/61407/2004
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POCI/POCI%2FAGR%2F61407%2F2004/PT
oaire.citation.titlePlosOnept_PT
oaire.fundingStreamPOCI
person.familyNameXavier Catry
person.familyNameMoreira
person.familyNameCastro Rego
person.givenNameFilipe
person.givenNameFrancisco
person.givenNameFrancisco
person.identifier.ciencia-idA611-7A41-22B9
person.identifier.ciencia-id5212-8AF1-5206
person.identifier.orcid0000-0003-0668-9323
person.identifier.orcid0000-0003-4393-8018
person.identifier.orcid0000-0003-0060-5192
person.identifier.ridB-2873-2008
person.identifier.ridH-9155-2013
person.identifier.scopus-author-id55266517400
person.identifier.scopus-author-id6701644918
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication5d16a351-d6fa-46a6-bd33-1f01875c7a8f
relation.isAuthorOfPublication02ad91d4-6d01-4eea-9410-3fada5d66d96
relation.isAuthorOfPublication388e6b9e-adb3-4523-9431-410b39c71765
relation.isAuthorOfPublication.latestForDiscovery5d16a351-d6fa-46a6-bd33-1f01875c7a8f
relation.isProjectOfPublication276245a6-1378-4651-90fe-66dd3f0d7ba6
relation.isProjectOfPublication.latestForDiscovery276245a6-1378-4651-90fe-66dd3f0d7ba6

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