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Microplastic Distribution in Seawater and Sediment on Kampung Atas Air, Balikpapan
Summary
Researchers sampled seawater and sediment from Kampung Atas Air, a densely populated coastal settlement in Balikpapan, Indonesia built over tidal land, to measure microplastic concentrations. They found microplastics in both water and sediment, with contamination linked to the settlement's direct proximity to the sea.
Abstract Kampung Atas Air at Margasari Village, West Balikpapan Sub-District on Balikpapan City is a densely populated settlement where most of the houses are located on the tidal land of the sea. That location is an area that has a high potential for microplastic pollution due to existing settlement activities. Microplastic is plastic particles that smaller than 5 mm in size sourced from large or macro-sized industrial, household, and plastic weathering activities. Microplastic samples were taken from two media, water and sediment. Microplastic identification was carried out under a microscope with 10 times magnification. The result of this observation shown 4 types of microplastic, which are films, fragments, fibers, and granules. Fiber is the most common type found in this observation. It came from community activities such as fishing and washing clothes.