The present book heavy metals in environment reflects the impact assessment of industrial effluents on quality characteristics of groundwater surface water agricultural soil and crop . Reported sources of heavy metals in the environment include geogenic industrial agricultural pharmaceutical domestic effluents and atmospheric sources environmental pollution is very prominent in point source areas such as mining foundries and smelters and other metal based industrial operations 1 3 4 . The metal distribution in the atmosphere is monitored by the properties of the given metal and by various environmental factors khlifi hamza chaffai 2010 the main objective of this review is to provide insight into the sources of heavy metals and their harmful effects on the environment and living organisms. Figure 3 bioaccumulation of heavy metals in the food chain 16 impact of waste effluent on the environment adeodun similade a water and environment management institute of ecology and environmental studies obafemi awolowo university ile ife nigeria. Heavy metals are persistent in nature therefore get accumulated in soils and plants dietary intake of many heavy metals through consumption of plants has long term detrimental effects on human health the impact of the heavy metals on aquatic organisms is due to the movements of pollutants from various diffuse or point
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