Heavy metal pollution can occur from indiscriminate discharge of wastes into waterbodies and heavy metals are well-known toxins for man and animals. River Galma is the main drainage channel in Zaria and the river receives copious industrial effluents, agricultural wastes and domestic effluents including sewage from adjoining settlements. Thus, there is every possibility of contamination of water, sediments and fish in the River by heavy metals because of their persistence, toxicity and bioaccumulative nature. The few works on heavy metal loads in the River concentrates on river water and no...

Integrated Chicken-fish farming (ICFF) is a type of animal-fish farming and is a low cost system of fish production that involves the combination of chicken farming with fish culture. However, its practice entails the risk of transfer of pathogens to humans through the consumption of fish grown with chicken manure. In addition, heavy metal deposition into the fish receptacle through manure and spilled chicken feed may lead to metal concentrations in excess of permissible limits. This work assesses the effect of chicken wastes (manure and spilled feed) on the physico-chemical parameters and...

This study was aimed at assessing the variation of concentrations of total and species of Cd, Cr, Ni, Pb, Cu and Zn in atmospheric dust particulate and roadside surface soil samples, and air pollutants (CO, H2S, NO2, SO2, FL and NH3) along busy roads due to increase in automobile over the years in Kano metropolis. The study was carried out across four seasons between December 2009 and September 2010. Generally, The results for the pollutants along busy roads indicate pollution due to traffic and other sources, an indication of health risk to the residents along these roads. Also, the presence...