Please use this identifier to cite or link to this item: http://hdl.handle.net/10216/103733
Author(s): Nuno Ratola
Arminda Alves
Silvia Lacorte
Damia Barcelo
Title: Distribution and sources of PAHs using three pine species along the Ebro River
Issue Date: 2012
Abstract: Needles of three pine species (Pinus halepensis, Pinus pinea and Pinus nigra) were analysed to assess the occurrence of polycyclic aromatic hydrocarbons (PAHs) in 34 sites located throughout the Ebro River, in Northeast Spain. Overall, the concentration varied between 55 and 808 ng g (-aEuro parts per thousand 1) (dry weight). The three- and four-ring PAHs were the most representative, with phenanthrene having 43% of the total PAH load and naphthalene showing a high incidence in rural areas. Despite matrix apparent similarities, P. halepensis needles revealed higher entrapment levels than P. nigra and P. pinea, the latter showing the lowest levels. The assessment of possible sources using PAH ratios (phenanthrene/anthracene and fluoranthene/pyrene) did not reveal a clear tendency regarding the distinction of petrogenic and pyrogenic sources in general, reflecting heterogeneous sources of PAHs in the Ebro area.
Subject: Ciências da terra e ciências do ambiente
Earth and related Environmental sciences
URI: http://hdl.handle.net/10216/103733
Related Information: info:eu-repo/grantAgreement/FCT - Fundação para a Ciência e Tecnologia/Projectos de I&DT em Todos os Domínios Científicos/PTDC/AGR-CFL/73156/2006/Agulhas de Pinheiro como Biomonitores de Poluentes Orgânicos Persistentes Atmosféricos/POPs
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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