Konsentrasi Nitrat, Fosfat, Silikat, Bahan Organik, Dan Hubungannya Terhadap …

The study aimed to analyze the relationship between the concentration of nitrate, phosphate, silicate, and organic matter with diatom abundance in the waters of Pakning River, Bengkalis Regency, Riau Province. Sampling was conducted from March to April 2024 at three purposively selected stations, namely Pertamina Refinery, Tanjung Punak Village, and Roro Port. The results showed that nitrate co…