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Microplasticos En Sedimentos De Canales De Riego En El Centro Poblado De Madeán, Distrito De Madeán, Provincia De Yauyos, Región Lima, Perú
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This study measured microplastic abundance and characteristics in sediments from irrigation canals in a rural area of Peru's Lima region. Microplastics were detected across all sampling sites, with size, color, and shape analysis revealing diverse contamination profiles in the agricultural waterways.
Los microplásticos (MPs) en canales de riego han sido poco estudiadas en Perú. El objetivo de este estudio fue determinar la abundancia y características (tamaño, color y forma) de MPs en sedimentos superficiales de canales de tierra para riego (Yuncaypara y Mejorada) ubicados en el centro poblado de Madeán, distrito de Madeán, provincia de Yauyos, región Lima, Perú. Se muestrearon en cada sitio por triplicado, 1 sitio en canal Mejorada (CM) y 2 sitios en canal Yuncaypara (CY1 y CY2). La separación se realizó con solución salina de alta densidad (ZnCl , cloruro de zinc). Los resultados mostraron la 2 abundancia en CM, CY1 y CY2 que fueron 111,11 ± 19,25; 566,67 ± 88,19 y 66,66 ± 0,00 Ítems/kg de sedimento seco, respectivamente. Las características de tamaño, color y forma, los predominantes fueron pequeños MPs (6-1000 μm), azul y fragmento, respectivamente. No se encontró pellet y espuma. Se concluye que hay presencia y contaminación por MPs en sedimentos superficiales de canales de tierra para riego. Los MPs secundarios fueron los únicos encontrados y a cercanía del sitio de muestreo con el centro poblado presenta mayor abundancia de MPs.
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