Jenis Dan Kelimpahan Perifiton Pada Substrat Alami (Batu) Di Sungai Tapung Se…

Periphyton is a group of aquatic microorganism that grew in the surface of natural substrates such as rock, wood, plants and aquatic animals. A research aims to understand the periphyton type and abundance in the Tapung River was conducted in April to May 2017. Sampling were conducted in 3 stations, they were in the upstream (St 1), midstream (St 2), downstream (St 3), 4 times, once/ week. Ston…