Skip navigation
Please use this identifier to cite or link to this item:

Full metadata record
DC FieldValueLanguage
dc.contributor.authorPalma, P.-
dc.contributor.authorKöck-Schulmeyer, M.-
dc.contributor.authorAlvarenga, P.-
dc.contributor.authorLedo, L.-
dc.contributor.authorBarbosa, I. R.-
dc.contributor.authorLópez de Alda, M.-
dc.contributor.authorBarceló, D.-
dc.identifier.citationPalma, P., Köck-Schulmeyer, M., Alvarenga, P., Ledo, L., Barbosa, I.R., López de Alda, M.... Barceló, D. (2014). Risk assessment of pesticides detected in surface water of the Alqueva reservoir (Guadiana basin, southern of Portugal). Science of the total environment, 488-489, 208-219.
dc.description.abstractThe purpose of this study was to evaluate the potential impact of the pesticides detected in the Alqueva reservoir (Guadiana Basin, South Iberian Peninsula) on the aquatic organisms belonging to this ecosystem. For this purpose, the occurrence and risk assessment of 25 pesticides and of a number of their degradation products were determined in the Alqueva surface waters. The areas (sampling stations) most polluted by pesticides were Sra. Ajuda, Lucefecit and Álamos in the northern and in the middle portions of the reservoir, respectively. The aquatic risk assessment revealed that from the various compounds analysed terbuthylazine, chlorfenvinphos and diazinon presented non-acceptable risk when maximum concentrations were used as the measured environmental concentrations (MEC). The locations that had more samples with risk quotients higher than 1 (high risk) were Sra. Ajuda followed by Lucefécit. The use of risk assessment allowed us to conclude that, despite that the pesticides' concentrations in the water column fulfil the European environmental quality standards, a number of the compounds show a high ecotoxicological risk for the aquatic organisms in the Alqueva ecosystem. The results thereby demonstrate that to have an efficient risk management process, the regulatory authorities of each country must consider an integrative chemical and ecotoxicological approach.pt_PT
dc.description.sponsorshipLogistic support for sampling was provided by the Portuguese Environmental Agency (APA — Agência Portuguesa do Ambiente). Merck is acknowledged for the gift of LC columns.pt_PT
dc.relationInvestigação total ou parcialmente financiada pela FCT – Fundação para a Ciência e Tecnologia no âmbito do projeto PTDC/AAC-AMB/103547/2008, EcotoxTools: Ferramentas ecotoxicológicas para a avaliação do risco ambiental associado a actividades agrícolas, em grandes albufeiras do Sul de Portugal.pt_PT
dc.subjectRisk assessmentpt_PT
dc.subjectEnvironmental quality standardspt_PT
dc.subjectSurface waterpt_PT
dc.subjectAlqueva reservoir (Guadiana River Basin)pt_PT
dc.subject.classificationIndexação Scopuspt
dc.titleRisk assessment of pesticides detected in surface water of the Alqueva reservoir (Guadiana basin, southern of Portugal)pt_PT
dc.projectpresent research has been financially supported by the project PTDC/AAC-AMB/103547/2008 from the FCT (Fundação para a Ciência e Tecnologia): EcotoxTools: Ecotoxicological tools for assessing: agriculture associated environmental risks in Southern Europe big man-made freshwater
dc.projectProjeto financiado pelo programa FEDER - POFC (Eixo I–Programa Operacional Factores de Competitividade)pt
dc.projectProjeto financiado pelo QREN (COMPETE Refª: FCOMP-01-0124-FEDER-008582), by the EU through the FP7 project SOLUTIONS (603437).pt
dc.projectProjeto financiado pela Generalitat de Catalunya (Consolidated Research Group: Water and Soil Quality Unit 2009-SGR-965).pt
degois.publication.titleScience of The Total Environmentpt_PT
Appears in Collections:D-TCA - Artigos em revistas com peer review

Files in This Item:
There are no files associated with this item.

FacebookTwitterDeliciousLinkedInDiggGoogle BookmarksMySpace
Formato BibTex MendeleyEndnote Currículo DeGóis 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.