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Microplastics hot spots at the South Iberian Margin

2026-01Journal article Open access
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datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg06:Água Potável e Saneamento
dc.contributor.authorBebianno, Maria
dc.contributor.authorCristina, Sónia
dc.contributor.authorNathan, Justine
dc.contributor.authorGoela, Priscila
dc.contributor.authorDias Duarte Fragoso, Bruno
dc.contributor.authorIcely, John David
dc.contributor.authorMoura, Delminda
dc.date.accessioned2026-01-15T14:18:52Z
dc.date.available2026-01-15T14:18:52Z
dc.date.issued2026-01
dc.description.abstractThe persistent accumulation of microplastics (MPs) in sediments poses ecological risks to benthic organisms and contributes to the broader issue of marine pollution. This study quantitatively analysed MPs in sediments, water and mussels Mytilus galloprovincialis from eleven sites of the South Portuguese coast in two contrasting climatic seasons (summer and winter). MPs were detected in sediments, water, and M. galloprovincialis at all study sites, although their abundance, colour, size, and type varied across compartments, locations, and seasons. Three hot spots of MPs contamination were identified at the South Portuguese coast. In these areas, the concentration of MPs in sediments was three orders of magnitude higher than water and mussels. The MPs identified had distinct colour patterns: transparent particles dominated in sediments, while blue was the most common in water and mussels. A size-dependent accumulation pattern was observed in the sediments, suggesting selective retention of MPs according to natural particle size, and a relationship was observed between MP levels in sediments and in mussels. Polypropylene (PP) and polyethylene (PE) were dominant polymers in sediments while PP, PE and polyethylene terephthalate (PET) were consistently present in water and mussels. Polybuthyl methachrylate (PBMA) was also detected in surface water and ingested by mussels. These findings suggest that variability in MPs abundance and polymer composition is linked to differences in local human activities. They also provide strong evidence for the importance of controlling land-based sources of MPs, particularly those transported to the coastal area by transported by rivers.eng
dc.description.sponsorshipCEECINSTLA/00018/2022
dc.identifier.doi10.1016/j.rsma.2025.104709
dc.identifier.issn2352-4855
dc.identifier.urihttp://hdl.handle.net/10400.1/28108
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationCentre for Marine and Environmental Research (CIMA)
dc.relationAquatic Research Infrastructure Network
dc.relation.ispartofRegional Studies in Marine Science
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectMicroplastics
dc.subjectSediments
dc.subjectMussels Water
dc.subjectMytilus galloprovincialis
dc.subjectPlastic polymers
dc.titleMicroplastics hot spots at the South Iberian Margineng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Marine and Environmental Research (CIMA)
oaire.awardTitleAquatic Research Infrastructure Network
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00350%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0069%2F2020/PT
oaire.citation.startPage104709
oaire.citation.titleRegional Studies in Marine Science
oaire.citation.volume93
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameBebianno
person.familyNameCristina
person.familyNameGoela
person.familyNameDias Duarte Fragoso
person.familyNameIcely
person.familyNameMoura
person.givenNameMaria
person.givenNameSónia
person.givenNamePriscila
person.givenNameBruno
person.givenNameJohn David
person.givenNameDelminda
person.identifier.ciencia-id2B11-46AC-B94B
person.identifier.ciencia-idB713-3911-1803
person.identifier.ciencia-id2C1A-11F1-3BF2
person.identifier.ciencia-idC21C-4762-1007
person.identifier.orcid0000-0003-1492-8566
person.identifier.orcid0000-0002-5716-9750
person.identifier.orcid0000-0001-9786-1269
person.identifier.orcid0000-0003-4531-3265
person.identifier.orcid0000-0002-0952-6805
person.identifier.scopus-author-id7004152715
person.identifier.scopus-author-id55957312000
person.identifier.scopus-author-id15048413000
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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