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The occurrence and abundance of microplastics in surface water of the midstream and downstream of the Cisadane River, Indonesia
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Researchers investigated microplastic contamination in the Cisadane River, Indonesia, finding 13 to 113 particles per cubic meter in surface water with higher abundance downstream, dominated by polyethylene, polystyrene, and polypropylene fragments from household and industrial sources.
This study investigates microplastic contamination in the midstream to downstream of the Cisadane River and its confluence with the Java Sea. The abundance ranged between 13.33 and 113.33 particles m in surface water samples. Microplastic abundance in the downstream area was higher than midstream. We discovered 11 microplastic polymer types, with polyethylene, polystyrene, and polypropylene dominating (>70%) the chemical composition study result, which we hypothesized was owing to their ubiquitous use in daily household and industrial activities. Microplastic fragments with a diameter of 500-1000 m predominated in surface water samples. This study identifies possible microplastics pollution hotspots throughout the Cisadane rivers and selects sites that require additional sampling. Runoff from cities and landfills has the potential to have a significant impact on the accumulation and movement of microplastics from the inland to the Cisadane estuarine area. Additional research is necessary to determine how and where these microplastics particles enter rivers.
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Abundance of microplastics in Cisadane river - Indonesia
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Researchers surveyed microplastic contamination along the Cisadane River in Indonesia, sampling at 11 points from upstream to downstream. They found microplastics present throughout the river, with concentrations and types varying by location and influenced by nearby human and industrial activities. The study underscores the persistent nature of microplastic pollution in tropical river systems serving large populations.
Microplastic pollution in lower Cimandiri River, Indonesia: early detection on the occurrence, abundance and distribution
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Microplastics were detected in the lower Cimandiri River in Indonesia, with abundance and distribution varying along the river's length from upstream to the estuary. Fragment shapes dominated, suggesting degradation of larger plastic debris. The study provides early baseline data on river microplastic pollution in a developing region of Indonesia.
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Researchers measured microplastic contamination in water and sediments of the Pekalongan River estuary in Indonesia, finding concentrations of 45.2-99.1 particles/L in water and 0.77-1.01 particles/g in sediment. Polystyrene, polyester, and polyamide were the dominant polymers, with fragments and films smaller than 1 mm accounting for the majority.
Assessment of Small-Scale Microplastics Abundance and Characterization in Urban River: A Case Study in Metro River, Indonesia
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Researchers assessed microplastic contamination in the Metro River in Indonesia, finding that abundance and characteristics varied by land use type, with urban areas showing higher concentrations of fragments and fibers in this rapidly developing region.
Preliminary Study of Microplastic Abundance in Rivers of Greater Semarang Area, Indonesia
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Researchers surveyed two rivers in the Semarang region of Indonesia and found microplastics at every sampling site, with concentrations increasing downstream and polyethylene sheet fragments — likely from single-use plastic bags — being the most common type, underlining the need for better waste management to reduce plastic entering waterways.
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.