Main Article Content

Yulinah Trihadiningrum

Abstract

This research was aimed to determine the level of Surabaya river pollution according gills degradation of tawes (Puntius javanicus, BlKr.) and nila (Oreochromis niloticus) as well as melanophora pattern of fish scales. Weekly observations of some physicochemical parameter were pH, temperature, DO, COD, SS and biological parameter (respiration rate and melanophora pattern). The Prati Index the pollution level of Surabaya river in Bambe station was higher (polluted, class IV) than Cangkir station and Karangpilang station (good, class II). Results of gills observation showed that the pollution level in Bambe was higher (gills degradation level 4) than in Cangkir station and Karangpilang station (gills degradation level 3)

Downloads

Download data is not yet available.

Article Details

Section
Articles