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Basura plástica y microplásticos: contaminantes emergentes presentes en sedimentos de una playa urbana del oriente venezolano

Authors: Gamboa, Adriana Carolina; Pinto, Carlos; Gutiérrez, Gabriel; Ramírez, José Ignacio;

Basura plástica y microplásticos: contaminantes emergentes presentes en sedimentos de una playa urbana del oriente venezolano

Abstract

Los plásticos son parte fundamental de la vida cotidiana debido a su versatilidad y bajo costo. Pero, sus desechos están causando preocupación por la acumulación en el medio marino-costero. Con el propósito de comparar el contenido de plásticos en los sedimentos de dos sectores de la playa San Luis (estado Sucre) se realizó un muestreo en época de sequía. Para ello, se delimitaron tres transectos de 100 m, donde se localizaron 5 puntos equidistantes para la recolección de muestras. Los sedimentos se secaron a temperatura ambiente, se separaron en fracciones granulométricas y se observaron con lupas de 10x. Luego los sedimentos finos y, los gruesos ya observados, se trataron con una solución saturada de NaCl para separar plásticos por densidad. Los plásticos se clasificaron según su tamaño, forma y color. Los resultados indicaron la presencia de macro, meso y microplásticos en todas las muestras y mayor abundancia de partículas plásticas en el sector A, puesto que, el sector B más concurrido, es sometido a limpieza frecuente debido a los servicios recreativos y turísticos que ofrece. Los fragmentos y las fibras resultaron las formas mayoritarias, destacando la influencia de las actividades pesqueras y urbanas.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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