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All Journal International Journal of Marine Engineering Innovation and Research
Asus Maizar Suryanto Hertika
Department of Fisheries and Marine Management, Faculty of Fisheries and Marine, Universitas Brawijaya
Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Karakteristik dan Kelimpahan Mikroplastik di Air, Sedimen, dan Sulcospira testudinaria di Sistem Budidaya Air Tawar Nailul Izzah; Asus Maizar Suryanto Hertika; Nanik Retno Buwono
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 3 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i3

Abstract

Microplastic contamination has become an emerging issue in freshwater ecosystems due to its persistence and potential ecological impacts. This study aimed to investigate the characteristics, abundance, and pollution status of microplastics in the water, sediment, and the freshwater gastropod Sulcospira testudinaria along the flow of the Freshwater Aquaculture Installation (IBAT) Punten, Batu City, Indonesia. Microplastics were identified using an inverted microscope, while pollution levels were assessed using the Microplastic Contamination Factor (MCF) and Microplastic Pollution Load Index (MPLI). Film was the dominant type in water and S. testudinaria, whereas fragments predominated in sediment. Brown is the most abundant colors across all environmental compartments, indicating extensive weathering of plastic debris. Microplastic abundance was highest in sediment, confirming its role as the primary sink for microplastics in the aquatic environment. MCF analysis indicated that most sampling sites were classified as significant contamination, while sediment at Site 2 reached the very high contamination category. MPLI values of 3.48 (water), 4.34 (sediment), and 3.16 (S. testudinaria) further indicated a very high level of microplastic pollution. These findings demonstrate widespread microplastic contamination throughout the IBAT Punten freshwater system and highlight sediment and S. testudinaria as effective indicators for monitoring freshwater microplastic pollution.
Co-Authors Nailul Izzah Nanik Retno Buwono