Contamination by microplastics in commercially important marine fish from the north of Sinaloa, Mexico

The presence of microplastics on the planet has become a major threat to marine ecosystems and the organisms that inhabit them. This problem covers a wide group of animals, such as marine fish, and includes commercially important fish. The present study was carried out from October 2018 to July 2019...

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Veröffentlicht in:Abanico Agroforestal 2024, Vol.6, p.1-22
Hauptverfasser: Román Vega, Martin, Martínez Alvarez, Iván, Apún Molina, Juan, Santamaría Miranda, Apolinar, Zavala Norzagaray, Alan, Ahumada Cervantes, Ramiro, Portillo Molina, Raul
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Sprache:eng
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Zusammenfassung:The presence of microplastics on the planet has become a major threat to marine ecosystems and the organisms that inhabit them. This problem covers a wide group of animals, such as marine fish, and includes commercially important fish. The present study was carried out from October 2018 to July 2019, the above, with the intention of completing a seasonal cycle. The objective of this work was to know the main types of microplastics ingested by six of the most important commercial fish species for the northwestern zone of Mexico (Centropomus viridis, Cynoscion othonopterus, Pomadasys macracanthus, Diapterus peruvianus, Lutjanus sp and Scomberomorus sierra), in the lagoon and insular systems of Navachiste and Ohuira, Sinaloa, Mexico, 556 stomachs of fishes were examined and analyzed under the technique of stereoscopic microscopy. The results showed that four of the six species analyzed were contaminated by microplastics, finding five different types of particles corresponding to the group of microplastics, [Nylon (99), > Polyurethane (42), > polyethylene (14), > Polyethylene Terephthalate (6), > polyester fibers (2)]. This is the first study that reports contamination by microplastics in these species within the north of Sinaloa, Mexico.   e2023-15     e2023-15 La presencia de microplásticos en el planeta se ha convertido en una gran amenaza para los ecosistemas marinos y los organismos que los habitan. Este problema cubre un amplio grupo de animales, como los peces marinos, e incluye peces comercialmente importantes. El presente estudio se realizó desde octubre de 2018 hasta julio de 2019, lo anterior, con la intención de completar un ciclo estacional. El objetivo de este trabajo fue conocer los principales tipos de microplásticos ingeridos por seis de las especies de peces comerciales más importantes para la zona noroeste de México (Centropomus viridis, Cynoscion othonopterus, Pomadasys macracanthus, Diapterus peruvianus, Lutjanus sp, y Scomberomorus sierra) en los sistemas lagunares e insulares de Navachiste y Ohuira, Sinaloa, México. Se capturaron y analizaron los estómagos de 556 individuos bajo la técnica de microscopía estereoscópica. Los resultados mostraron que cuatro de las seis especies analizadas estaban contaminadas por microplásticos, encontrándose cinco tipos diferentes de partículas correspondientes al grupo de los microplásticos, [Nylon (99), > poliuretano (42), > polietileno (14), > tereftalato de polietileno (6), > fibras de poliéster (2)].
ISSN:2594-1992