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Tipo de material : bachelorThesis
Título : Análisis comparativo de microplásticos entre playas y estuarios: una revisión de la información existente
Autor : Espín Jácome, Karla Daniela
Tutor : Black Solís, Indira Fernandina
Fecha de publicación : 2020
Editorial : Quito: Universidad de las Américas, 2020
Citación : Espín, K. (2020). Análisis comparativo de microplásticos entre playas y estuarios: una revisión de la información existente (Tesis de pregrado). Universidad de las Américas, Quito.
Resumen : En los últimos trece años el problema de la contaminación por desechos plásticos se ha incrementado, la gran mayoría de estos desechos no tienen una correcta disposición final, por lo tanto, terminan en ecosistemas naturales donde debido a procesos de degradación se disocian convirtiéndose en lo que hoy se conoce como microplásticos MPs...
Descripción : In the last thirteen years the problem of plastic waste pollution has increased, the vast majority of these wastes do not have a correct final disposal, therefore, they end up in natural ecosystems where due to degradation processes they dissociate, becoming what today it is known as microplastics (MPs). The environmental impact that these micro particles represent is much greater than that of plastics of greater proportions, because their small sizes (5mm) make their identification and removal more complex. This same characteristic makes them capable of: being present in all environmental matrices, entering the food chain through ingestion of fauna, being able to bioaccumulate and biomagnify through it, in addition, since they are particles derived from oil, they act as vectors for other contaminants such as polycyclic aromatic hydrocarbons that are carcinogens. That is why knowing its distribution is of great importance in order to determine its concentration, sources and possible ways of controlling them. Globally, the problem of MPs is considered the object of study in several countries, however, in coastal areas such as estuaries and beaches, much more research is still needed. In relation to the sample, the Asian continent is the one where more studies have been published with 33 percent, followed by Europe 29 percent, South America 21 percent and North America 17 percent. Currently, the detection methodologies for PMs are varied, there is no worldwide standardized protocol, there are different ways of sampling, analysis, and even of presenting the results, which makes it difficult to compare the occurrence of these microparticles. In this project, the methodologies of twenty-four scientific studies carried out in the last ten years are analyzed and described, making comparisons between them and highlighting important contributions from each one.
URI : http://dspace.udla.edu.ec/handle/33000/12801
Aparece en las colecciones: Ingeniería Ambiental en Prevención y Remediación

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