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Occurence of Microplastics in Water, Sediment and Milkfish (Chanos chanos) in Citarum River Downstream (Case Study: Muara Gembong)
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Researchers measured microplastic concentrations in water, sediment, and milkfish (Chanos chanos) in the downstream Citarum River at Muara Gembong, Indonesia. The Citarum is one of the world's most polluted rivers, and all sample types contained significant microplastic levels, raising food safety concerns for locally consumed fish.
Microplastics in aquatic environment can possibly enter into the aquatic organism, so this study aims to identify the microplastic concentrations in water, sediment, and milkfish. The samples are taken in downstream Citarum river at Muara Gembong. Water samples were taken using a manta trawl pulled by a boat while sediment and milkfish samples were taken using the grab sampling method. Organic removal and cleaning was conducted by using the Fenton Oxidation method which use Fe and H 2 O 2 . The average of microplastic concentrations in river water, seawater ponds, mixed water, and seawater consecutively are 0.0574 ± 0.025 particles/m 3 , 3.000 ± 2.645 particles/L, 0.666 ± 0.577 particles/L and 1.333 ± 1.155 particles/L. The average of microplastic concentrations in sediment sea water pond, sediment mixed water pond and sea sediment samples consecutively are 3.666 ± 0.577 particles/20g, 2.667 ± 1.527 particles/20g, 2.333 ± 0.577 particles/20g and 0.667 ± 1.154 particle/20g. The average of microplastic concentrations in the gut and gills of milkfish in sea ponds and mixed ponds consecutively are 2.333 ± 2.266 particles/fish and 2.222 ± 3.768 particles/fish. The average of microplastic concentrations in milkfish tissues in the sea and mixed water ponds are 1.333 ± 1.000 particles/fish and 1.111 ± 1.167 particles/fish.
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The Presence of Microplastics in Water, Sediment, and Milkfish (Chanos chanos) at the Downstream Area of Citarum River, Indonesia
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Researchers found microplastics in the water, sediment, and flesh of milkfish in Indonesia's heavily industrialized Citarum River, showing that plastic particles are moving through the food chain in a river that supports nearly 19 million people — meaning residents may be consuming microplastics through their local fish supply.
Kontaminasi Mikroplastik Pada Ikan Bandeng (Chanos chanos) Dari Muara Sungai Banjir Kanal Timur, Semarang
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Researchers examined microplastic contamination in milkfish (Chanos chanos) collected from the estuary of the East Flood Canal River in Semarang, Indonesia. Microplastics were found in digestive tracts across all sampled fish, with fibers and fragments being most common, raising concerns about food chain exposure in local populations.
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Microplastics were found in milkfish and in both water and sediment from aquaculture ponds in Jakarta Bay, with fibers and fragments being most common. As milkfish is widely consumed in Indonesia, this contamination is a direct pathway for microplastics to reach people through their diet.
Identification of Microplastics Content in Sediment, Water and Digestive Channel of Milkfish (Chanos chanos) in Sidoarjo Pond
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Researchers quantified microplastics in sediment, water, and the digestive tracts of milkfish (Chanos chanos) from semi-intensive and traditional ponds in Sidoarjo, Indonesia. Microplastic abundance was higher in traditional pond sediments (613 particles per 50 g versus 300 in semi-intensive ponds), and fish from traditional ponds contained more particles (9.5 per individual versus 6), with polyamide being the dominant polymer type.
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Researchers examined microplastic contamination in the gills, stomachs, and intestines of milkfish and chub mackerel from an Indonesian market, finding microplastic particles present across all organs in both commercially important fish species.
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