Effects Of Pollution On Water And Fish Production In Ikpoba River Using Macro Invertebrates As Bio-indicators

The study of water quality using macro invertebrates as bio indicators of pollution in the Ikpoba river Benin City, Edo State was carried out for a period of 3months (march-may) in 2013. Water and macro invertebrate samples were collected from three stations (Okhoro), Reservoir and the Bridge.) along the river. Physiochemical variables were determined using standard methods. A total of 652 macro invertebrates were collected. Twenty seven (27) taxa were recorded in all the stations. Station 2(Reservoir) had 23 taxa, while station 1(Bridge) and 3(Okhoro) had 16 and 18 taxa, respectively. Also st…