Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/124109
Título: Microplastic ingestion and plastic additive detection in pelagic squid and fish: Implications for bioindicators and plastic tracers in open oceanic food webs
Autores/as: Sambolino, Annalisa
Iniguez, Eva
Herrera, Inma 
Kaufmann, Manfred
Dinis, Ana
Cordeiro, Nereida
Clasificación UNESCO: 251002 Oceanografía química
330811 Control de la contaminación del agua
331210 Plásticos
251001 Oceanografía biológica
Palabras clave: Ingestion Of Microplastics
Mps
Ocean Contamination
Pelagic Fish Species
Phthalate Esters, et al.
Fecha de publicación: 2023
Proyectos: Fomento de la actividad ecoturística de whale watching como modelo de desarrollo económico sostenible mediante la protección y conservación de las poblaciones de cetáceos y su puesta en valor como patrimonio natural de la Macaronesia 
Evaluación del impacto de microplásticos y contaminantes emergentes en las costas de la Macaronesia 
Publicación seriada: Science of the Total Environment 
Resumen: The ubiquitous presence of microplastics (MPs) in the ocean represents a potential threat to marine organisms, with poorly understood long-term adverse effects, including exposure to plastic additives. The present study investigated the ingestion of MPs in two epipelagic fish species (Trachurus picturatus and Scomber colias) and three pelagic squid species (Loligo vulgaris, Ommastrephes caroli and Sthenoteuthis pteropus) from an open oceanic region of the Northeast Atlantic. Seven phthalate esters (PAEs) were also analysed in the organisms' tissue, and the potential correlation between PAEs concentrations and ingested MPs was investigated. Seventy-two fish and 20 squid specimens were collected and analysed. MPs were found in the digestive tract of all species and in the squid species' gills and ink sacs. The highest occurrence of MPs was in the stomach of S. colias (85 %) and the lowest in the stomach and ink sac of O. caroli and L. vulgaris (12 %). Most of the particles identified (>90 %) were fibres. Among all the ecological and biological factors considered (dietary preferences, season, body size, total weight, liver weight, hepatosomatic index and gastrosomatic index), only gastrosomatic index (GSI) and season were significant predictors of MPs ingestion in fish species, with a greater likelihood of ingestion in the cold season and in specimens with higher GSI values (i.e. higher feeding intensity). Four PAEs (DEP, DIBP, BBP, DEHP) were detected in all the species analysed, with average ∑PAEs concentrations ranging between 10.31 and 30.86 ng/g (wet weight). DIBP was positively correlated with ingested MPs, suggesting this compound might represent a “plastic tracer”. This study looks into the problem of MPs ingestion for pelagic species in an open oceanic region, highlighting the most suitable bioindicators and providing essential insights into the factors that may influence ingestion rates. Additionally, the detection of PAEs in all species indicates the need for further research on the contamination sources, the effects of these chemicals on marine organisms, and the potential risks to human health through seafood consumption.
URI: http://hdl.handle.net/10553/124109
ISSN: 0048-9697
DOI: 10.1016/j.scitotenv.2023.164952
Fuente: Science of the Total Environment [ISSN 0048-9697], v. 894, (Octubre 2023)
Colección:Artículos
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