Studi Kelimpahan Diatom (Bacillariophyta) Dan Konsentrasi Nitrat Pada Saat Pa…

This research was conducted in July 2011 with the aim to know the abundance of diatom (Bacillariophyta) and the concentration of nitrate during high and low tides. Field samplings were done in Depo Pertamina Coastal Waters of Tanjung Uban in Riau Archipelago. The results showed that there was 15 spesies of diatoms with the most dominant was shown by Chaetocheros. This spesies was found more res…