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First insight into plastics ingestion by fish in the Gulf of California, Mexico Salazar-Pérez, C.; Amezcua, F.; Rosales-Valencia, A.; Green, L.; Pollorena-Melendrez, J.E.; Sarmiento-Martínez, M.A.; Tomita Ramírez, I.; Gil-Manrique, B.D.; Hernandez-Lozano, M.Y.; Muro-Torres, V.M.; Green-Ruiz, C.; Piñon-Colin, T.D.J.; Wakida, F.T.; Barletta, M. (2021). First insight into plastics ingestion by fish in the Gulf of California, Mexico. Mar. Pollut. Bull. 171: 112705. https://dx.doi.org/10.1016/j.marpolbul.2021.112705 In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363

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Beschikbaar in	Auteurs
VLIZ: Non-open access 370876 [ aanvragen ]

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Trefwoord

Marien/Kust

Author keywords

Estuarine ecology; Feeding habits; Marine litter; Small scale fisheries; Plastic pollution

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Auteurs		Top
Salazar-Pérez, C. Amezcua, F. Rosales-Valencia, A. Green, L. Pollorena-Melendrez, J.E.	Sarmiento-Martínez, M.A. Tomita Ramírez, I. Gil-Manrique, B.D. Hernandez-Lozano, M.Y. Muro-Torres, V.M.	Green-Ruiz, C. Piñon-Colin, T.D.J. Wakida, F.T. Barletta, M.

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Abstract

Plastic particle occurrence in the digestive tracts of fishes from a tropical estuarine system in the Gulf of California was investigated. A total of 1095 fish were analysed, representing 15 species. In total 1384 particles of plastic debris were recovered from the gastrointestinal tracts of 552 specimens belonging to 13 species, and all consisted of threads, the majority of which were small microplastics (0.23 to 1.89), followed by large microplastics (2.07 to 4.49), and few mesoplastics (5.4 to 19.86). Plastic particles were identified using ATR-FTIR spectroscopy. The mean frequency of occurrence of plastics in the gastrointestinal tracts of fishes from this system was 50.5%, which is higher than frequencies reported in similar systems in other areas. The polymers identified by ATR-FTIR were polyamide (51.2%), polyethylene (36.6%), polypropylene (7.3%), and polyacrylic (4.9%). These results show the first evidence of plastic contamination for estuarine biota in the Gulf of California.

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