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Identification of Microplastics in the Lake Water of the "kraljevac" Special Nature Reserve
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Researchers identified microplastics in water samples from the Kraljevac Special Nature Reserve lake, detecting 23 microplastic particles per liter of water with fibrils comprising 78% of particles, linking their presence to inadequate waste management in the surrounding area.
Microplastics are solid particles smaller than five millimeters. Surface waters are regarded distribution corridors for (micro)plastic pollution. In this study, we investigated the177 presence of microplastics in water samples from the Kraljevac Special Nature Reserve. A total of 23 microplastic particles were detected in 1 liter of lake water. The proportion of fibrils was 78.26 % and that of fragments 21.74 %. Inadequate waste management can be linked to the occurrence of microplastic particles in Lake Kraljevac.
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The first assessment of microplastic pollution in Skadar Lake sediments in Montenegro found MPs in all samples (average 15.4 particles/100g dry sediment), with fibers and polyethylene/polypropylene dominant and pollution load index values indicating low but measurable ecological risk. Establishing baseline contamination data in protected freshwater ecosystems like national park lakes is essential for monitoring future pollution trends and protecting biodiversity.
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The first microplastic survey of Sarab Niloofar Lake in Iran found concentrations ranging from 4,400 to 18,800 particles/m³, dominated by fibers (68%) composed primarily of polypropylene and polyethylene, with surface-bound metals including aluminum, silicon, and calcium. The high contamination levels and metal-adsorption capacity of these particles signal significant ecological risks to freshwater organisms and potential human health consequences through water consumption and food chain transfer.
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This review summarizes methods for sampling and analyzing microplastics in freshwater environments, covering filtration, visual sorting, and spectroscopic identification techniques. Standardizing sampling methods is critical because microplastics are persistent pollutants that can take thousands of years to decompose and negatively affect aquatic organisms.
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Researchers analyzed the presence, types, and quantities of microplastics in sediments from four lakes in the Zagreb region of Croatia using density separation and micro-Raman spectroscopy, finding that polystyrene, polyethylene, and polyethylene terephthalate were the predominant polymer types.
Microplastics in a touristic and a remote freshwater lake in Türkiye: comparative patterns in water and sediments
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Scientists compared tiny plastic particles (microplastics) in two Turkish lakes—one popular with tourists and one remote and untouched—and found plastic pollution in both, even the lake far from people. This suggests microplastics can travel long distances through wind, water, or sediment rather than just coming from local sources like tourists, meaning even "pristine" lakes we drink from or swim in may not be as plastic-free as they seem.
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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.