Abundance of phytoplankton in the Kampar Kiri River, Mentulik Village, Kampar Kiri Sub-District, Kampar District, Riau Province

Rizki Anita Lubis, Eni Sumiarsih, Adriman '


Kampar Kiri River is located in Riau, there are fisheries and domestic activities that potential in affecting water quality. To understand the abundance of phytoplankton present in that river, a study has been conducted in July 2016. Samplings were conducted 3 times, once week, in 3 stations. Results shown that there are 11 species of phytoplankton present in the river. They were classified into three classes, `namely: Bacillariophyceae (4 species), Chloropyhceae (3 species) and Cyanophyceae (4 species). The average of phytoplankton abundance was around 359 – 1,392 cells/L. While the water quality parameters are as follows: temperature: 30 - 310C, transparency: 15.6 – 22.6 cm, pH: 6, DO: 3.8 - 4.1 mg/L, nitrate: 0.05 - 0.11 mg/L and phosphate: 0.19 - 0.23 mg/L. Based on the composition of pyhtoplankton, it can be concluded that the Kampar Kiri River water can be categorized as low.
Keyword : Phytoplankton, Kampar Kiri River, Water Quality,

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