Commercial Gilthead Seabream (Sparus aurata L.) from the Mar Menor Coastal Lagoon as Hotspots of Microplastic Accumulation in the Digestive System

This paper presents the results on the presence and characterization of microplastics (MP) in the gastrointestinal tract of gilthead seabream (Sparus aurata L.), a species of commercial interest from the Mar Menor coastal lagoon in Southeast Spain. This is the first time that microplastic ingestion is recorded in any species from this semi-enclosed bay. Stomach and intestine from a total of 17 specimens captured by local fishermen were processed, and microplastic particles and fibers found in all of them were displayed. Overall, 40.32% (279/692) of total isolated microparticles proved to be microplastics; i.e., <5 mm, as identified by FTIR spectroscopy. The average value by fish was 20.11 +/- 2.94 MP kg(-1), corresponding to average concentrations of 3912.06 +/- 791.24 and 1562.17 +/- 402.04 MP by kg stomach and intestine, respectively. Four MP forms were isolated: fiber (71.68%), fragment (21.15%), film (6.81%), and microbead (0.36%), with sizes ranging from 91 mu m to 5 mm, an average of 0.83 +/- 0.04 mm, and no statistically significant differences between mean sizes in stomach and intestine samples (F-test = 0.004; p = 0.936).

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Bayo J. Rojo D. Martinez-Banos P. Lopez-Castellanos J. y Olmos S. Commercial Gilthead Seabream (Sparus aurata L.) from the Mar Menor Coastal Lagoon as Hotspots of Microplastic Accumulation in the Digestive System. MDPI, 2021. https://doi.org/10.3390/ijerph18136844

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Resource type Article
Date of creation 2024-11-05
Date of last revision 2025-01-20
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Metadata identifier 12835a85-739f-582f-8499-3cc3ead9918c
Metadata language Spanish
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High-value dataset category Earth observation and environment
ISO 19115 topic category biota
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Name of the dataset creator Bayo, J., Rojo, D., Martinez-Banos, P., Lopez-Castellanos, J. y Olmos, S.
Name of the dataset editor MDPI
Other identifier DOI: 10.3390/ijerph18136844
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Email of the dataset creator javier.bayo@upct.es
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