Hubungan Polutan Organik Dengan Kelimpahan Tubifex Sp. Di Sungai Sail Kota Pe…

Abstract Tubifex sp. is an organism that is tolerant to enviromental pollution especially organik pollution, so that Tubifex sp. often to used as bioindiator of water pollution. The Sail River is one of the habitats of Tubifex sp. The River is located in the middle of Pekanbaru city and is influenced by various community activities along the river. These activities contribute organik pollu…