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Ocorrência e impactos de microplásticos no litoral sergipano: uma abordagem socioambiental
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Researchers investigated the occurrence and impacts of microplastics along the Sergipe coastline in Brazil, providing a socio-environmental analysis of plastic pollution in this coastal region.
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
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Microplastics Beach Pollution: Composition, Quantification and Distribution on the Southern Coast of Brazil
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Researchers quantified microplastic pollution on a southern Brazilian beach, finding an average of 650 MPs/kg of sediment with highest concentrations near the Mampituba River mouth, dominated by polyethylene, polypropylene, and polyamide particles in the 50–100 µm range. The findings confirm that riverine transport is a major pathway delivering microplastics to coastlines, underscoring the need for upstream source control to protect coastal ecosystems.
Seasonal Variations in Microplastic Pollution in Beach Sediments along the Eastern Coast of Rio de Janeiro State, Brazil
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A survey of 27 beaches along Rio de Janeiro's eastern coast found microplastics on every beach, with winter counts (2,987 particles) nearly five times higher than summer (562 particles), driven by seasonal wind and wave dynamics, with fragments and fibers of polyethylene and polypropylene dominating. The seasonal variation reveals that MP exposure for coastal wildlife and beachgoers fluctuates dramatically with environmental conditions, complicating risk assessments tied to any single sampling window.
Microplastics in the Marine Environment: Sources, Distribution, Biological Effects and Socio-Economic Impacts
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Researchers reviewed the sources, distribution, biological effects, and socioeconomic impacts of microplastic pollution in marine environments, finding that rivers and estuaries are the primary land-to-ocean transport pathways. The review emphasizes that microplastics transfer adsorbed pollutants and additives through food webs to top predators, and that reducing plastic production and improving waste management are essential long-term solutions.
Surface water assessment of microplastic contamination at three beaches in North Goa, India
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All three tested beaches in North Goa, India—Baga, Anjuna, and Vagator—showed measurable microplastic contamination in surface water, with fiber shapes and PET polymer most prevalent, and risk indices flagging hazardous pollution levels at every site. These findings underscore that even tourist coastlines in developing regions face serious microplastic threats, with implications for the seafood consumed by local communities and visitors.
Assessment of microplastic contamination in coastal surface waters: a case study of five beaches in South Goa, India
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A survey of five beaches in South Goa, India found microplastic concentrations averaging 1.21 particles per liter, dominated by fibers and common polymers like polyethylene and polypropylene, with a Pollution Hazard Index categorized at the highest risk level. The findings establish that heavily visited Indian coastal waters face severe microplastic contamination, threatening the rich biodiversity of these ecosystems and the communities that depend on them.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.