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Primer Registro De Ingestión De Microplásticos Por Un Pez De Importancia Comercial En La Ciudad De Iquitos, Amazonia Peruana
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Researchers reported the first detection of microplastics in a commercially important fish species in the Peruvian Amazon near Iquitos, finding particles in the boquichico (Prochilodus nigricans). The discovery confirms microplastic contamination has reached even remote inland Amazonian food webs.
El estudio reporta por primera vez para la Amazonía peruana la ingestión de microplásticos en un pez de importancia económica, registrados en individuos provenientes del Mercado Belén de la ciudad de Iquitos, región Loreto, Perú. De las once especies analizadas (50 individuos), sólo en seis individuos de la especie boquichico Prochilodus nigricans Agassiz, 1829 fueron registrados en total 17 partículas de microplásticos, con un promedio (y desviación estándar) de 0,34 (±1,19) microplásticos por individuo. La frecuencia de ocurrencia de las partículas de microplásticos para los 50 individuos fue 12% y para P. nigricans fue 46,2%. Los tamaños estuvieron en un rango de 0,40 a 4,39 mm y las formas encontradas fueron los filamentos (14) y los fragmentos irregulares (3). De los colores registrados, el azul se presentó en mayor número (10 microplásticos), seguido del rojo (5 microplásticos), verde (1 microplástico) y celeste (1 microplástico). Los resultados estarían sugiriendo que algunas zonas de pesca están siendo afectadas por la mala gestión de los residuos plásticos impactando de forma negativa en los ecosistemas y la ictiofauna de la Amazonía peruana; y a través del consumo podría afectar a la salud de las personas.
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