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Analisis Kelimpahan Mikroplastik Pada Air dan Sedimen di Kawasan Hilir DAS Brantas
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Researchers examined microplastic abundance in water and sediment from three stations in the lower Brantas River watershed, Indonesia, finding filament-type microplastics dominant (100–500 µm range) with highest concentrations downstream, linked to sachet packaging and plastic bag waste along the riverbank.
Mikroplastik merupakan potongan plastik berukuran <5mm. Berdasarkan sumbernya, mikroplastik dibedakan menjadi mikroplastik primer yang berasal dari proses produksi plastik berukuran kecil untuk kepentingan tertentu dan mikroplastik sekunder berasal dari proses penguraian plastik yang lebih besar. Penelitian ini dilakukan di Hilir DAS Brantas kota Gresik yang sebelumnya terindikasi tercemar oleh mikroplastik. Tujuan dari penelitian ini yaitu mengetahui jenis, kelimpahan dan sumber mikroplastik di Hilir DAS Brantas. Pengambilan sampel dilakukan pada 3 stasiun, yaitu Perning, Wringinanom, dan Pasinan. Identifikasi menggunakan mikroskop trinokuler. Identifikasi air dan sedimen menggunakan metode NOAA. Hasil penelitian menunjukkan bahwa kelimpahan mikroplastik tertinggi yakni berada di Desa Pasinan (Air) dan Desa Perning (Sedimen). jenis mikroplastik didominasi oleh jenis filamen. Hal ini dipengaruhi oleh banyaknya kemasan sachet dan tas kresek di bantaran sungai. Kemudian untuk warna didominasi oleh warna biru dan hitam. Mikroplastik yang ditemukan rata-rata berukuran 101-500 µm.
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Identifikasi Jenis, Warna, dan Ukuran Mikroplastik pada Air dan Sedimen di Sungai Buntung, Kabupaten Sidoarjo, Jawa Timur
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Researchers identified microplastics in water and sediment samples from Buntung River, East Java, Indonesia, finding fragments most dominant in both matrices (39–46%), with blue-colored particles (28–30%) and sizes of 0.1–0.5 mm predominating, and statistically significant differences in microplastic abundance between water and sediment.
Identifikasi Jenis Dan Kelimpahan Mikroplastik Pada Sedimen Di Muara Sembilang Kecamatan Samboja Kabupaten Kutai Kartanegara Kalimantan Timur
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Researchers identified and quantified microplastics in sediments from Muara Sembilang estuary in East Kalimantan, Indonesia, finding a total abundance of 1,613 particles/kg with fragments dominating at 41%, followed by films and fibers, with no statistically significant difference in abundance among morphotype categories.
Kandungan Mikroplastik Pada Sedimen Di Wilayah Pesisir Pantai Monpera Kota Balikpapan Kalimantan Timur
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Researchers measured microplastic abundance and composition in coastal sediments at Monpera Beach in Balikpapan, East Kalimantan, finding film was the dominant type at 62% of total particles (54,140 particles/kg/m²), followed by fiber and fragment, with statistically significant differences in abundance between fragment and film types.
Identifikasi Kelimpahan Mikroplastik Air Kawasan Kanal Mangetan, Anak Sungai Brantas Kabupaten Sidoarjo
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This Indonesian study assessed the abundance of microplastics in water from the Kanal Mangetan canal, a tributary of the Brantas River in Sidoarjo. Using purposive random sampling across three stations (upstream, middle, downstream), the study found microplastic contamination throughout the waterway.
Identifikasi Karakteristik dan Kelimpahan Mikroplastik pada Sampel Sedimen Kali Pelayaran Kabupaten Sidoarjo Jawa Timur
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Researchers analyzed sediment samples from three segments of Kali Pelayaran River in Sidoarjo, East Java, Indonesia and found microplastic contamination in all samples, with fragments, fibers, filaments, and microbeads present at concentrations up to 7,960 particles/kg in downstream segments.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.