Detection of plastic, cellulosic micro-fragments and microfibers in <i>Laternula elliptica</i> from King George Island (Maritime Antarctica)

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dc.contributor.authorGonzalez-Aravena, Marcelo
dc.contributor.authorRotunno, Carmen
dc.contributor.authorCardenas, Cesar A.
dc.contributor.authorTorres, Mariett
dc.contributor.authorMorley, Simon A.
dc.contributor.authorHurley, Jessica
dc.contributor.authorCaro-Lara, Luis
dc.contributor.authorPozo, Karla
dc.contributor.authorGalban, Cristobal
dc.contributor.authorRondon, Rodolfo
dc.date.accessioned2025-01-20T16:19:09Z
dc.date.available2025-01-20T16:19:09Z
dc.date.issued2024
dc.description.abstractIt is generally acknowledged that microplastic pollutants are prevalent in ocean waters and sediments across a range of tropical, temperate, subpolar, and polar regions. The waters surrounding King George Island are significantly impacted by human activities, particularly those related to scientific stations, fishing, and tourism. Organisms, such as Laternula elliptica, can be used as environmental monitors due to the likelihood that they will bioaccumulate pollutants. The goal of this study was to quantify and identify plastic and cellulosic microfragments and microfibers present in the soft body of clams (n = 21), collected from Fildes Bay near sewage and wastewater discharges. Plastic and cellulose microfragments and microfibers were counted, and their compositions were determined using FT-IR. All 21 individuals sampled contained fragments and fibers, with a total of 900 items detected (42.86 +/- 25.36 mean +/- SD items per individual), or 1.82 items g.wet mass(-1). 58 % of items were cellulose and 22 % plastic. Considering the plastic polymer compositions, 28.57 % were polyethylene terephthalate (PET), 21.43 % acrylic, 14.29 % high-density polyethylene (HDPE), 14.29 % Polypropylene (PP), 7.14 % ultra-high drawn polyethylene filament (UHMWPE), 7.14 % polyester and 7.14 % Polyethylene. The quantities and prevalence of MP in L. elliptica were higher than those found in other Antarctic marine species, and even in bivalves from populated regions of the world. Our work assessed the pollution status of L. elliptica near an effluent of wastewater plants and found that 95 % of individuals displayed MP and 100 % microfibers that could impact their population.
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.marpolbul.2024.116257
dc.identifier.eissn1879-3363
dc.identifier.issn0025-326X
dc.identifier.urihttps://doi.org/10.1016/j.marpolbul.2024.116257
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/90678
dc.identifier.wosidWOS:001216481600001
dc.language.isoen
dc.revistaMarine pollution bulletin
dc.rightsacceso restringido
dc.subjectMicroplastics
dc.subjectMollusk
dc.subjectPollution
dc.subjectWestern Antarctic Peninsula
dc.subjectContaminant of emerging concern
dc.subject.ods06 Clean Water and Sanitation
dc.subject.ods12 Responsible Consumption and Production
dc.subject.ods14 Life Below Water
dc.subject.ods11 Sustainable Cities and Communities
dc.subject.odspa06 Agua limpia y saneamiento
dc.subject.odspa12 Producción y consumo responsable
dc.subject.odspa14 Vida submarina
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.titleDetection of plastic, cellulosic micro-fragments and microfibers in <i>Laternula elliptica</i> from King George Island (Maritime Antarctica)
dc.typeartículo
dc.volumen201
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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