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dc.creatorNuno Ratola
dc.creatorJosé Manuel Amigo
dc.creatorSílvia Lacorte
dc.creatorDamià Barceló
dc.creatorElefteria Psillakis
dc.creatorArminda Alves
dc.description.abstractThe main objective of this work was to assess and compare the levels, patterns, and sources of contamination of 16 polycyclic aromatic hydrocarbons (PAHs) between Portugal, Spain, and Greece (in the island of Crete). A total of 9 sampling sites were chosen (4 in urban and 5 in non-urban areas) in each country and pine needles from the Pinus pinea L. species were collected. Although the mean total PAH levels was similar in the three countries (279 +/- 236 ng g(-1) for Portugal, 294 +/- 258 ng g(-1) for Spain, 301 +/- 253 ng g(-1) for Greece, all dry weight) and, in general, 3-ring and 4-ring PAHs were predominant (being phenanthrene consistently the most abundant), there were some visible differences in the aromatic ring patterns and possible sources between the three regions. Source apportionment was done using PAH ratios (Phen/Ant and Flt/Pyr crossplots) and reflected mixed petrogenic and pyrogenic sources. Furthermore, Principal Component Analysis (PCA) clearly separated the urban and the non-urban sites and all three countries, which reinforces that the sources of contaminations vary in each case and the suitability of pine needles for trans-boundary biomonitoring of PAHs.
dc.relationinfo:eu-repo/grantAgreement/FCT - Fundação para a Ciência e Tecnologia/Projectos de I&DT em Todos os Domínios Científicos/PTDC/AGR-CFL/102597/2008/SAFEPINE - Avaliação da contaminação de pinheiros por poluentes emergentes /SAFEPINE
dc.subjectChemical sciences
dc.titleComparison of PAH Levels and Sources in Pine Needles from Portugal, Spain, and Greece
dc.typeArtigo em Revista Científica Internacional
dc.contributor.uportoFaculdade de Engenharia
dc.subject.fosCiências exactas e naturais::Química
dc.subject.fosNatural sciences::Chemical sciences
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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