Trace metal distribution in tissues of cichlids (Oreochromis niloticus and O. mossambicus) collected from wastewater-fed fishponds in East Calcutta Wetlands, a Ramsar site
Background.Metals discharged in wastes from different industries into wetland ecosystems pose a serious threat to the receiving environment.Biotic components grown in the area amass such metals within their body through nutritional uptake and accumulation.The present investigation was carried out to study the extent of accumulation of different was