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Assessing the extent and the environmental drivers of Eucalyptus globulus wildling establishment in Portugal: results from a countrywide survey

2015-07-12Journal article Restricted access
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datacite.subject.fosCiências Naturais::Ciências da Terra e do Ambiente
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg15:Proteger a Vida Terrestre
datacite.subject.sdg08:Trabalho Digno e Crescimento Económico
dc.contributor.authorCatry, F. X.
dc.contributor.authorMoreira, F.
dc.contributor.authorDeus, E.
dc.contributor.authorSilva, J. S.
dc.contributor.authorÁguas, Ana
dc.date.accessioned2025-06-24T11:46:13Z
dc.date.available2025-06-24T11:46:13Z
dc.date.issued2015-07-12
dc.description.abstractTasmanian blue gum (Eucalyptus globulus) has been increasingly used in forestry outside its native range, and is nowadays one of the most important pulpwood species in the world. E. globulus has great economic importance in many countries, and in Portugal it has recently become the most widespread tree species. However, there is also an increasing concern about the potential ability of eucalypts to naturally establish from seed (wildling establishment), because of negative ecological and economic impacts this could cause. The natural establishment of this fast-growing exotic species may have undesirable consequences, but little is known about its distribution, or which are the factors influencing its occurrence. In order to investigate these issues, we characterized wildling occurrence and abundance along 3111 roadside transects adjacent to eucalypt plantations distributed throughout continental Portugal. Eucalypt wildlings were found in 60 % of the sampled transects and across all natural regions, with densities ranging from 0 to 10,000 plants ha−1 (mean = 277 plants ha−1). The potential influence of environmental variables on wildling establishment from plantations was assessed using boosted regression trees. The abundance of wildlings was found to be primarily affected by precipitation and distance from the sea (used as a surrogate of thermal amplitude), although topography, frost occurrence and soil type also played a significant role. Plant density peaked at around 1500 mm of annual precipitation and it decreased with both decreasing and increasing precipitation, reaching the lowest values below 800 mm and above 2400 mm. Eucalypt wildlings were also more abundant in areas with milder temperatures, namely closer to the sea (with lower thermal amplitude) and with lower number of frost days. Finally, plant density also seemed to be favoured in areas with intermediate elevation, higher slope and with certain soil types (namely Cambisols and Podzols). Knowing the regions with higher wildling density and understanding the factors influencing plant establishment may help managers to establish and prioritize eventual control plans in regions with higher probability of recruitment.eng
dc.description.sponsorshipFunding text This research was funded by Fundação para a Ciência e a Tecnologia (FCT): in the scope of project “WildGum” (FCT PTDC/AGR-FOR/2471/2012); F. X. C. was supported by a postdoctoral Grant (SFRH/BPD/93373/2013) and A. A. was supported by a Ph. D. Grant (SFRH/BD/76899/2011). We thank Miguel Rocha and Catarina Félix for their collaboration in data collection, and Brad Potts for relevant advices on the methodology. We also thank David Richardson and an anonymous reviewer for their valuable comments.
dc.identifier.citationCatry, F.X., Moreira, F., Deus, E. et al. Assessing the extent and the environmental drivers of Eucalyptus globulus wildling establishment in Portugal: results from a countrywide survey. Biol Invasions 17(11), 3163–3181 (2015). https://doi.org/10.1007/s10530-015-0943-y
dc.identifier.doi10.1007/s10530-015-0943-y
dc.identifier.issn1387-3547
dc.identifier.issn1573-1464
dc.identifier.urihttp://hdl.handle.net/10400.8/13399
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Nature
dc.relationA multi-scale approach to study the naturalization of blue gum (Eucalyptus globulus Labill.) in Portugal
dc.relationTHE ROLE OF FIRE IN SHAPING FOREST DYNAMICS: ASSESSING ECOLOGICAL AND MANAGEMENT DETERMINANTS OF TREE RECOVERY
dc.relationEUCALYPTUS GLOBULUS LABILL.REGENERATION FROM SEEDS IN PORTUGUESE MAINLAND
dc.relation.hasversionhttps://link.springer.com/article/10.1007/s10530-015-0943-y
dc.relation.ispartofBiological Invasions
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectEucalyptus globulus
dc.subjectManagement
dc.subjectNatural establishment
dc.subjectSeed regeneration
dc.subjectWildling
dc.titleAssessing the extent and the environmental drivers of Eucalyptus globulus wildling establishment in Portugal: results from a countrywide surveyeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleA multi-scale approach to study the naturalization of blue gum (Eucalyptus globulus Labill.) in Portugal
oaire.awardTitleTHE ROLE OF FIRE IN SHAPING FOREST DYNAMICS: ASSESSING ECOLOGICAL AND MANAGEMENT DETERMINANTS OF TREE RECOVERY
oaire.awardTitleEUCALYPTUS GLOBULUS LABILL.REGENERATION FROM SEEDS IN PORTUGUESE MAINLAND
oaire.awardURIhttp://hdl.handle.net/10400.8/13272
oaire.awardURIhttp://hdl.handle.net/10400.8/13398
oaire.awardURIhttp://hdl.handle.net/10400.8/13273
oaire.citation.endPage3181
oaire.citation.issue11
oaire.citation.startPage3163
oaire.citation.titleBiological Invasions
oaire.citation.volume17
oaire.fundingStream3599-PPCDT
oaire.fundingStreamPOR_NORTE
oaire.fundingStreamOE
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameÁguas
person.givenNameAna
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