Abstract
Trace amounts of heavy metals are normal in marine organisms and some, such as copper, iron, zinc and manganese, are essential for normal growth and development. Other metals such as cadmium and mercury have no known use in physiological processes. In the following study a baseline survey was undertaken to establish the range of metal levels in field populations of juvenile banana prawns Penaeus merguiensis and farmed stocked of juvenile leader prawns, P. monodon. Concentrations of ten trace elements (viz. Cu, Zn, Fe, Mn, Cd, Ag, Mg, Pb, Ni, Co and Hg) were determined in wild and farmed prawn stocks and a preliminary assessment of inter-element relationships within tissues was also made.
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More From: Bulletin of Environmental Contamination and Toxicology
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