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Prevalence of microplastics in agricultural soils in southern Portugal

2025-12-15Artigo científico Acesso restrito
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datacite.subject.sdg02:Erradicar a Fome
datacite.subject.sdg06:Água Potável e Saneamento
datacite.subject.sdg12:Produção e Consumo Sustentáveis
dc.contributor.authorBellouk, H.
dc.contributor.authorBeltrán, I. Marín
dc.contributor.authorRaouan, S. Er
dc.contributor.authorSousa, V. Serrão
dc.contributor.authorZaitan, H.
dc.contributor.authorReis, Mário
dc.contributor.authorA. Ismail
dc.contributor.authorNunes, Luís
dc.date.accessioned2026-05-07T15:14:09Z
dc.date.available2026-05-07T15:14:09Z
dc.date.issued2025-12-15
dc.description.abstractMicroplastic contamination in soils is increasingly being recognised worldwide, yet Mediterranean agricultural systems remain poorly investigated. This work provides the first dataset of microplastic pollution in agricultural soils from Portugal, focusing on associations between polymer types and land-use history across four areas from a local farm with different agricultural practices. We collected 20 soil samples (five per zone). Each sample was processed in duplicate, yielding 40 analytical units. These were collected across four zones of a Cucurbitaceae farm in the Algarve region and analysed following conventional protocols to minimise cross-contamination. Concentrations ranged from 0 to 320 particles/kg, with a median of 80 particles/kg. Eight polymer types were identified, mainly polypropylene (PP, 31%), polyester (PES, 19%), and polyethylene (PE, 15%). Fibres were the most dominant (54%), followed by films and fragments, with the majority of particles ranging from 100 to 500 μm. White and transparent particles accounted for half of the observations. The polymer composition and particle morphologies differed across the four areas, consistent with their documented land-use histories and distinct levels of plastic use. These contrasts indicate that each zone exhibits a specific microplastic signature that reflects the intensity and type of agricultural practices applied over time. The study is limited by its farm-scale scope and the focus on surface soils (0–5 cm), yet it provides a robust baseline for future large-scale investigations in Mediterranean agricultural systems. While causal links cannot be firmly established, the results provide valuable insights into potential agricultural drivers of soil contamination in Mediterranean systems and highlight the need for improved plastic management in agriculture.eng
dc.description.sponsorshipCEECIND/03072/2017; CEECIND/CP1731/CT0002
dc.identifier.doi10.1080/03067319.2025.2602065
dc.identifier.eissn1029-0397
dc.identifier.issn0306-7319
dc.identifier.urihttp://hdl.handle.net/10400.1/28894
dc.language.isoeng
dc.peerreviewedyes
dc.publisherTaylor and Francis Group
dc.relation.ispartofInternational Journal of Environmental Analytical Chemistry
dc.rights.uriN/A
dc.subjectMicroplastics
dc.subjectAgricultural soils
dc.subjectIrrigation systems
dc.subjectFTIR analysis
dc.subjectPlastic mulch
dc.subjectMediterranean region
dc.titlePrevalence of microplastics in agricultural soils in southern Portugaleng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleInternational Journal of Environmental Analytical Chemistry
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameReis
person.familyNameNunes
person.givenNameMário
person.givenNameLuís
person.identifier93800
person.identifier.ciencia-idD31F-ACBA-41E7
person.identifier.ciencia-id3112-1FCD-6685
person.identifier.ciencia-id611F-9C78-13DD
person.identifier.orcid0000-0002-3349-3003
person.identifier.orcid0000-0001-5606-970X
person.identifier.orcid0000-0003-1592-9237
person.identifier.ridM-4647-2013
person.identifier.scopus-author-id55769965400
person.identifier.scopus-author-id7102529511
relation.isAuthorOfPublicatione3fffbf1-41db-404f-8bd5-936ab4e8f59c
relation.isAuthorOfPublicationd32d0ac6-6cb6-4f03-afcf-3c80978d469f
relation.isAuthorOfPublication0f83825c-491f-4d7f-b37d-397afe7c941c
relation.isAuthorOfPublication.latestForDiscoverye3fffbf1-41db-404f-8bd5-936ab4e8f59c

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