Slow and steady hurts the crab: Effects of chronic and acute microplastic exposures on a filter feeder crab

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dc.contributor.authorUrbina, Mauricio A.
dc.contributor.authorda Silva Montes, Caroline
dc.contributor.authorSchafer, Angela
dc.contributor.authorCastillo, Nicole
dc.contributor.authorUrzua, Angel
dc.contributor.authorLagos, Marcelo E.
dc.date.accessioned2025-01-20T20:19:49Z
dc.date.available2025-01-20T20:19:49Z
dc.date.issued2023
dc.description.abstractMicroplastics are a widespread environmental contaminant Although detrimental effects on aquatic organisms are well documented, little is known about the long-term effects of microplastic exposure to filter-feeding organisms at ecologically realistic levels. This study investigates the effects of environmentally relevant concentrations of polyethylene micro beads ranging in site from 3 to 30 mu m, on the physiology and energetics of a coastal filter-feeding crab Petrolisthes laevigatus. We evaluated the impact of microplastics by exposing P. laevigatus to two different concentrations and exposure times: i) a chronic exposure for five months at 250 particles L-1, and ii) an acute exposure for 48 hat 20,800 particles L-1, similar to 80 times higher than the chronic exposure. The results showed that only chronic exposures elicited negative effects on the coastal crab in both, metabolic and physiological parameters. Our findings demonstrate a strong correlation between the ingestion rate and weight loss, even at low concentrations, the crabs exhibited severe nutritional damage as a result of long-term microplastic exposure. By contrast, acute exposure revealed no significant effects to the crabs, a possible explanation for this being short-term compensatory responses. These results suggest that environmentally relevant concentrations of microplastics are harmful to marine organisms, and they should be evaluated during realistic temporal scales, as their effects strongly dependent on the exposure time. Our results also suggest that the effects of microplastics have been likely underestimated to date, due to the dominance of short-term exposures (acute) reported in the current literature.
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.scitotenv.2022.159135
dc.identifier.eissn1879-1026
dc.identifier.issn0048-9697
dc.identifier.urihttps://doi.org/10.1016/j.scitotenv.2022.159135
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/92545
dc.identifier.wosidWOS:000899267000011
dc.language.isoen
dc.revistaScience of the total environment
dc.rightsacceso restringido
dc.subjectPorcelain crab
dc.subjectMicroplastics
dc.subjectFilter-feeder
dc.subjectEnergy reserves
dc.subjectEnvironmentally relevant concentrations
dc.subjectLong term exposure
dc.subject.ods12 Responsible Consumption and Production
dc.subject.ods06 Clean Water and Sanitation
dc.subject.ods14 Life Below Water
dc.subject.ods11 Sustainable Cities and Communities
dc.subject.odspa12 Producción y consumo responsable
dc.subject.odspa06 Agua limpia y saneamiento
dc.subject.odspa14 Vida submarina
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.titleSlow and steady hurts the crab: Effects of chronic and acute microplastic exposures on a filter feeder crab
dc.typeartículo
dc.volumen857
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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