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Assessing microplastic abundance and distribution in the surface waters of the Mondego river estuary (Portugal)
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This study investigated microplastic distribution in beach wrack and stranded seagrass deposits along the Croatian Adriatic coast, finding high particle concentrations associated with organic debris accumulation zones. The strand line accumulation mechanism concentrates both organic and plastic marine debris, making wrack deposits significant microplastic hotspots on sandy beaches.
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Distribution of Microplastics in Semi-urban Estuary Water Along the West Coast of India
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Researchers investigated microplastic distribution in semi-urban estuary waters along India's west coast, finding that human activities such as port operations, tourism, fishing, and industrial discharges are major contributors to microplastic contamination in these ecologically vital coastal ecosystems.
Abundance, distribution and characterization of microplastics in Tropical River Estuary, South East Coast of India
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Researchers sampled water and sediment across seven sites along the Palar River estuary in southeast India, finding that fiber-shaped high-density polyethylene microplastics dominate, likely originating from fishing gear and industrial discharge. The study establishes a contamination baseline for a multi-source river system, highlighting how riverine environments serve as highways transporting plastic pollution from inland industrial and agricultural sources into coastal marine ecosystems.
Understanding Microplastic Pollution in Riverbed Sediments: Special Emphasis on a Medium-Sized City in the State of São Paulo, Brazil
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Sediment samples from an urban stream in Rio Claro, Brazil showed microplastic concentrations up to 18,000 units per kilogram — among the highest reported in Brazil — with fibers and tire wear particles as the dominant types, driven by untreated sewage and stormwater runoff. The extreme pollution levels in a mid-sized city highlight that microplastic contamination is not confined to megacities, posing risks to water quality in smaller urban centers.
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.