Identification and Density of Microplastics on the Surface of Sediment at Malalayang Beach, Manado City

Authors

  • Natalie D.C. Rumampuk Sam Ratulangi University
  • Inneke F.M. Rumengan Sam Ratulangi University
  • Nickson J. Kawung Sam Ratulangi University

DOI:

https://doi.org/10.35800/jip.v13i2.63678

Keywords:

Microplastics, sediment, Characteristics, Density, Malalayang beach

Abstract

Microplastics are less than ≤ 5 mm in size and can be found in aquatic sediments. Microplastics hurt ecosystems. Malalayang Beach is a tourist attraction in Manado City. The purpose of this study was to identify and quantify the density of microplastics. The results of the study found 3 types of microplastics, namely fibres, fragments, and films, with fibres dominating. The results of the quantification of microplastic particles in sediment samples were that the number of microplastic particles at the observation station was 212 particles, of which 113 particles, fragments, 22 particles, and 77 particles, while the microplastic density was 141.33 particles/Kg. Microplastics in an aquatic environment harm the ecosystem of the water.

Keywords: Microplastics, sediment, Characteristics, Density, Malalayang beach

Abstrak

Mikroplastik memiliki ukuran kurang dari ≤ 5 mm dan dapat ditemukan di sedimen perairan. Mikroplasti berdampak negatif bagi ekosistem. Pantai Malalayang termasuk wilayah yang menjadi tempat wisata di Kota Manado. Tujuan dari penelitian ini untuk mengidentifikasi dan mengkuntifikasi kepadatan mikroplastiik. Hasil penelitian ditemukan 3 jenis mikroplastik yankni fiber, fragmen dan film, ddengan jenis fiber yang mendominasi, Hasil kuantifikasi partikel mikroplastik pada sampel sedimen, adalah jumlah partikel mikroplastik di stasiun pengamatan adalah sebanyak 212 partikel, dimana fiber 113 partikel , fragmen 22 partikel dan fim 77 partikel, sedangkan kepadatan mikroplastik sebesar 141,33 partikel/Kg. Mikroplastik  di  suatu  lingkungan perairan memiliki  dampak  buruk  bagi  ekosistem  suatu perairan.

Kata kunci:  Mikroplastik, sedimen, Kepadatan, Pantai Malalayang

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Published

2025-08-28

How to Cite

Rumampuk, N. D., Rumengan, I. F., & Kawung, N. J. (2025). Identification and Density of Microplastics on the Surface of Sediment at Malalayang Beach, Manado City. Jurnal Ilmiah PLATAX, 13(2), 400–406. https://doi.org/10.35800/jip.v13i2.63678

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