Konsentrasi Klorofil-A Perifiton Pada Substrat Pvc Di Sungai Air Hitam Kota P…

ABSTRACT Periphyton is one of microorganisms as function as primary producen in the aquatic environment. Research aims to determine the chlorophyll-ɑ concentration of periphytonattached in plastic pipe substrate has been carried out in April-May 2018 in the Air Hitam River. There were three sampling stations, namely S1 (in the upstream), S2 (in the middle) and S3 (in the downstream).Samplings…