Benni, Husein Siregar, sofyan and Nurachmi, irvina 2020. EFFECT OF PARTICLE SIZES AND CONTENT OF ORGANIC MATTER SEDIMENT ON EPIPELIC DIATOM ABUNDANCE IN BAYUR BAY WATERS OF WEST SUMATERA. Asian Journal of Aquatic Sciences. 3, 1 (Apr. 2020), 49-59. DOI:https://doi.org/10.31258/ajoas.3.1.49-59.