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Identificación y cuantificación de microplásticos en sedimentos de tres playas recreativas de la costa de Campeche
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Researchers identified and quantified microplastics in sediments from three recreational beaches in Campeche, Mexico, comparing concentrations across different seasons and sampling locations. The study found microplastics at all sites, with seasonal variation suggesting that weather patterns influence microplastic distribution on these tourist beaches.
Con la presente investigación se realizó la identificación y cuantificación de microplásticos en sedimentos de algunas de las playas recreativas del municipio de Champotón, Campeche, con el objetivo de caracterizar, cuantificar y determinar si existen diferencias entre las cantidades de microplásticos con relación a las temporadas climáticas y puntos de análisis. Se seleccionó tres estaciones de muestreo: las playas de Puntaxen, Boca del río y Payucán; en cada una se estableció tres zonas: alta, media y baja, paralelas a la línea de costa y, sobre ellas se hizo transectos de 50x50 cm, modificados de la metodología de Hidalgo-Ruz et al. (2012). El estudio demostró las cantidades de microplásticos hallados en cada uno de los lugares del muestreo, de acuerdo con las estaciones de verano y otoño. Con base en un análisis univariado de varianza y pruebas de Tukey y Duncan, se concluyó que no existe evidencia significativa que indique diferencias entre las muestras por transectos, estaciones y/o lugares de muestreo.
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Clasificación de microplásticos en playas de Colima y Jalisco, México
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Researchers classified microplastics in sediment samples from 12 beaches in Colima and Jalisco, Mexico, across urban, suburban, rural, and natural beach types. The study characterized the types, colors, and quantities of microplastic particles to document contamination levels along this coastline.
Microplastic contamination and fluxes in a touristic area at the SE Gulf of California
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Researchers assessed microplastic contamination in beach sands, surface waters, and sediment traps in the tourist city of Mazatlan, Mexico, finding higher concentrations during the rainy season and in urban areas, with polyethylene and polypropylene fragments being the most abundant types.
Microplastics in tourist beaches of Huatulco Bay, Pacific coast of southern Mexico
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Researchers conducted the first survey of microplastics on tourist beaches in Huatulco Bay, Mexico, collecting 70 sediment samples across two seasons and finding fibrous microplastics at all sampled beaches, with the highest counts linked to tourism activity and hotel and restaurant effluent discharge.
Seasonal Variations in the Abundance and Characteristics of Microplastics in the Coatzacoalcos Beach Sediments, Southwestern Gulf of Mexico
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Beach sand from Coatzacoalcos, Mexico was tested for tiny plastic pieces in both dry and rainy seasons. More microplastics were found during the rainy season than the dry season, with differences in plastic type and surface wear likely linked to rainfall, river flow, and ocean currents.
Abundance and composition of microplastics in Tampico beach sediments, Tamaulipas State, southern Gulf of Mexico
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Researchers analyzed beach sediments from Tampico, Mexico, on the Gulf of Mexico coast and found microplastics present in all samples. The most common types were fragments and fibers made of polyethylene and polypropylene, and concentrations ranged from 256 to 2,830 particles per 20 grams of sediment. The study adds to growing evidence that microplastic contamination is widespread along Gulf of Mexico coastlines.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.