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Unraveling Microplastic Presence in Freshwater and Sediment of Rejoso River, Indonesia
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Researchers investigated microplastic presence in water and sediment of the Rejoso River in Indonesia across 12 sampling sites, characterizing the types, abundances, and distribution patterns of microplastic particles in this tropical freshwater system.
ABSTRACT A study of microplastic (MP) particle presence in the water of the Rejoso River, Indonesia, was carried out. A systematic procedure determined three precise sampling areas, resulting in a total of 12 sampling sites. The study determined that the most common microplastics found in the water and sediment samples were small fragments and fibers. About 63.6% of the plastic particles have a diameter of less than 1 mm. The water samples showed a major presence of blue and black, accounting for 69.6% of the total composition. ATR‐FTIR spectroscopy led to the determination of the presence of polymers: polystyrene, silicone polymer, polyester, and polyamide. This should be coupled with extensive studies and strategies to mitigate microplastic pollution in freshwater ecosystems.
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Abundance and distribution of microplastics in Baturusa watershed of Bangka Belitung Islands Province
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Scientists measured microplastic abundance and distribution in the Baturusa River watershed on Bangka Belitung Island, Indonesia, finding plastic particles at all sampling sites. Higher concentrations were found downstream and near populated areas, highlighting the role of human settlements in freshwater microplastic contamination.
Occurrence and visual characterization of microplastics from Mahakam River at Tenggarong City, Indonesia
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Researchers detected and visually characterized microplastics in water samples from the Mahakam River near Tenggarong City, Indonesia, contributing to limited freshwater microplastic data from the country that produces approximately 7.8 million tons of plastic waste annually. Microplastics were found in river samples, with fiber and fragment morphotypes dominant, reflecting local plastic waste mismanagement.
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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.
Spatial and Temporal Distribution of Microplastics in Water and Surface Sediments Along the Jawi River–Kakap Estuary, West Kalimantan, Indonesia
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Scientists found tiny plastic bits, mostly fibers in the water and fragments in the mud, throughout an Indonesian river and estuary system. The riverbed sediment accumulates far more plastic over time than the water itself, meaning these tropical waterways act as long-term plastic traps. This matters because these rivers often connect to fishing grounds and food and water sources people rely on daily.
The Abundance and Characteristics of Microplastics in the Sediments of the Progo River of Yogyakarta, Indonesia
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Researchers analyzed microplastic abundance and characteristics in sediments of the Progo River in Yogyakarta, Indonesia, finding microplastics throughout the river system. Fragment and fiber types dominated, reflecting the widespread plastic waste inputs characteristic of rapidly developing Indonesian urban areas.
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.