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Kandungan Mikroplastik pada Ikan Belanak (Mugil cephalus) dan Kerang Hijau (Perna viridis) di Pantai Mangunharjo Semarang dan Pantai Sayung Demak
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Grey mullet and green mussels collected from two beaches in Central Java, Indonesia were analyzed for microplastic content alongside water and sediment samples. Microplastics were detected in all sample types, with fibers predominating. The study highlights potential human dietary exposure to microplastics through consumption of local seafood from contaminated coastal areas.
Microplastics have polluted marine waters from the surface of the water to the sediments. High levels of microplastic contamination can cause some marine biota to become tolerant so it can disrupt the metabolism of marine biota. The aim of the study was to find out the content of the amount and type of microplastics in grey mullet, green mussel, water, and sediment also the correlation between the abundance of microplastics and the body length of fish and shellfish. The samples were obtained from four stations located in two locations. Microplastic analyzed by isolating microplastics in each sample. Fish and shellfish samples were isolated by dissolving the sample in a 10% KOH solution, then incubated at 60 ⁰C for 24 hours. Water and sediment samples were isolated by soaking in saturated NaCl solution. Data analyzed by testing the correlation using SPSS software. The average microplastics value in each type in grey mullet (particles/individu) was pellet 27,25; film 25,36; fiber 49,28; and fragment 61,08 while the average microplastics value in shellfish was pellet 8,94; film 20,61; fiber 34,00; and fragment 35,28. The average microplastics abundance in each type in water was pellet 0,72; film 1,34; fiber 2,01; and fragment 3,11 particles/mL while in sediment was pellet 1,65; film 5,25; fiber 10,09; and fragment 12,87 particles/gram. The correlation relationship between the abundance of microplastics and the length of fish and shellfish was negative.
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