CD Skripsi
Kandungan Mikroplastik Pada Air Dan Ikan Tabingalan (Puntioplites Bulu) Di Waduk PLTA Koto Panjang Kecamatan XIII Koto Kampar, Provinsi Riau
The Koto Panjang Hydropower Reservoir in Riau Province is known to be contaminated with microplastics originating from various anthropogenic activities, which may accumulate in fish species such as Puntioplites bulu—a commercially consumed fish by local communities. This study aims to determine the types and abundance of microplastics. The research was conducted from March to May 2025. Three sampling stations were selected: Koto Tuo Village, Binamang Village, and Tanjung Alai. Water samples were collected using a bongo net, filtered using Whatman No. 42, and treated with 20% KOH. Fish samples were dissected and the stomach and intestines were removed, placed in centrifuge tubes, and treated with 20% KOH for 14 days. The results showed that five types of microplastics were found in the water column, namely fibers, films, fragments, pellets, and granules. The highest microplastic abundance in water was found at Station 3, reaching 14,498 particles/m³. Meanwhile, three types of microplastics— fibers, films, and fragments—were detected in the stomach and intestines of P. bulu. The highest microplastic abundance in fish was recorded at Station 3 with 15 particles/individual. Based on sampling stations, there were differences in microplastic abundance among stations, and a linear relationship was observed between the total microplastic abundance in both water and P. bulu. Microplastic abundance in water and fish showed a linear correlation with a p-value < 0.05.
Keywords: Koto Panjang Hydropower Reservoir, Microplastics, Puntioplites bulu
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