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Microplastics in River Sediments Around the Dhaka City: A Case Study for Occurrence and Quantification
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Researchers measured microplastic concentrations in river sediments around Dhaka, Bangladesh, finding widespread plastic particle pollution in one of the world's most densely populated cities — adding to evidence that heavily urbanized river systems are major reservoirs of microplastic contamination.
Microplastics (MPs) pollution has gained global attention as an emerging environmental issue considering ubiquity, chemical inertness and adverse impact. Studies on MPs are mostly concentrated on the marine environment and there are very limited studies on MPs in...
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Microplastics pollution in water and sediment matrices of the old Brahmaputra River, bangladesh: an ecological risk appraisal of an urban river
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Seasonal sampling of surface water and sediment in the Old Brahmaputra River, Bangladesh found microplastic concentrations highest in winter (over 4 million items/km² in water), dominated by polypropylene fibers and fragments, with a Pollution Load Index indicating low but measurable ecological risk. The study provides baseline contamination data for an ecologically important South Asian urban river, establishing a foundation for monitoring and policy responses in a region with rapidly growing plastic use.
Abundance and Characteristics of Microplastics in Urban Drainage Canals of Dhaka City, Bangladesh
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Researchers assessed microplastic contamination in urban drainage canals in Dhaka, Bangladesh, finding significant accumulation that turns these waterways into conduits transporting microplastics into riverine and marine ecosystems, posing risks to aquatic life and human health in one of the world's most densely populated cities.
Emerging Issue of Microplastic in Sediments and Surface Water in South Asia: A Review of Status, Research Needs, and Data Gaps
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Sediments and surface waters across South Asia show widespread microplastic contamination, yet significant data gaps and inconsistent monitoring methodologies limit a full understanding of pollution severity in the region. Standardized research frameworks are urgently needed to inform policy and protect populations dependent on these water sources.
Microplastic pollution scenario and its effects on public health and ecosystem: a Bangladesh perspective
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Researchers reviewed microplastic pollution in Bangladesh, finding that inadequate waste management drives contamination across water, soil, and marine life, with seafood species like shrimp and fish serving as key vectors for human exposure through the food chain.
Distribution Patterns and Ecological Risks of Microplastics at Major Waste Disposal Environments in Dhaka, Bangladesh
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Researchers characterized microplastics in agricultural soils and surface water near Dhaka's largest waste disposal site, finding up to 2,800 particles/kg in soil and 376 particles/liter in water, with polyethylene, polypropylene, and polystyrene predominating and ecological risk rated medium-to-high. The study identifies plastic mulch, irrigation water, and compost as major contamination pathways, highlighting the particular vulnerability of food-producing land near urban waste sites.
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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.