Distribusi Vertikal Nitrat, Fosfat, Dan Kelimpahan Diatom Planktonik Di Perai…

ABSTRACT This research was conducted in February 2021 in Pandan Waters, Central Tapanuli Regency, North Sumatra Province. The purpose of this study was to analyze the concentration of nitrate and phosphate, analyze the composition distribution and abundance of planktonic diatoms, and analyzed the relationship between nitrate and phosphate concentrations with abundance of planktonic diatom…