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Identifikasi Jenis dan Kelimpahan Mikroplastik pada Sedimen di Danau Buatan Bandar Kayangan Lembah Sari Kecamatan Rumbai Pesisir Kota Pekanbaru
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Researchers identified and quantified microplastics in sediments from an artificial lake in Pekanbaru, Indonesia, finding three morphotypes — fragments (37%), fibers (33%), and films (30%) — with abundances ranging from 358 to 440 particles per kg across sampling stations.
Mikroplastik adalah sampah plastik yang berukuran 0,3-5 mm dan dapat terakumulasi pada sedimen. Penelitian ini bertujuan untuk mengidentifikasi jenis mikroplastik dan kelimpahan mikroplastik yang terdapat pada sedimen di Danau Buatan Bandar Kayangan. Penelitian ini dilaksanakan pada bulan Oktober-November 2023. Penelitian ini menggunakan metode survei. Pengamatan sampel sedimen dilakukan di Laboratorium Kimia Laut, Fakultas Perikanan dan Kelautan Universitas Riau. Sampel sedimen diambil menggunakan pipa paralon 4 inchi dengan kedalaman 0-10 cm sebanyak 1 kg. Pengamatan mikroplastik dilakukan dengan beberapa tahap yaitu pengeringan, pemisahan densitas, penyaringan dan penghitungan dengan menggunakan mikroskop. Hasil penelitian menunjukkan bahwa jenis mikroplastik yang ditemukan ada tiga jenis yaitu fragmen (37%), fiber (33%) dan film (30%). Sedangkan kelimpahan mikroplastik tertinggi antar stasiun terdapat pada Stasiun 2 dengan kelimpahan 440,00 partikel/kg dan terendah pada Stasiun 1 dengan kelimpahan 357,78 partikel/kg. Perbedaan jumlah mikroplastik antar stasiun dilakukan analisis Uji T didapatkan menunjukkan bahwa setiap stasiun yang dibandingkan dengan Stasiun 3 tidak memiliki perbedaan, sedangkan antara Stasiun 1 dan Stasiun 2 memiliki perbedaan jumlah mikroplastik antar stasiun.
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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 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.
Jenis Dan Kelimpahan Mikroplastik Pada Sedimen Pesisir Pantai Manggar Kota Balikpapan Kalimantan Timur
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Researchers characterized microplastic types and abundance in coastal sediments at Manggar Beach, Balikpapan, East Kalimantan, using NaCl density separation and H2O2/FeSO4 digestion followed by microscopy. Fibers were most abundant (63%), followed by fragments (32%) and films (20%), with significant differences in abundance between particle types.
Distribusi Mikroplastik Pada Sedimen Di Wilayah Pesisir Pantai Lamaru Kota Balikpapan Kalimantan Timur
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Researchers assessed microplastic distribution in coastal sediments at Lamaru Beach, Balikpapan, East Kalimantan, finding fragments as the most abundant type (46,340 particles/kg/m²), followed by fibers and films, with statistically significant differences in abundance between fragment and film types, reflecting ongoing plastic fragmentation in this coastal environment.
Analisis Kelimpahan Dan Sebaran Mikroplastik Pada Perairan Dan Sedimen Di Laguna, Kabupaten Pekalongan
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Researchers analyzed microplastic abundance and distribution in both water and sediment at Pekalongan Lagoon, Indonesia, using density separation and microscopic identification, finding peak water concentrations of 51 particles/L and sediment concentrations of 705 particles/kg, with fiber and fragment types dominating and significant correlations with oceanographic parameters including dissolved oxygen, pH, and salinity.
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