Kandungan Mikroplastik Di Sungai Sibam, Kota Pekanbaru, Provinsi Riau

This study aims to identify the types and abundance of microplastics in the Sibam River, Pekanbaru City, Riau Province. The research was conducted from August to September 2025 using a survey method at three observation stations representing the upstream, middle, and downstream areas of the river. Water samples (50 L) were filtered using a No. 25 plankton net, and microplastic particles were an…