| influence of diffuse and chronic metal pollution in water and sediments on edible seafoods within ondo oil-polluted coastal region, nigeria. | the bioconcentration levels of 3 non-essential elements (pb, cd and ni) have been investigated in three different seafoods; fish (tilapia zilli), crab (callinectes sapidus) and periwinkle (littorina littorea), to investigate the ecosystem health status in ondo oil-polluted coastal region, nigeria. the seafood samples were chosen based on their popularity as a food source and the potential of the species to contain high levels of metals based on past research results. metal concentrations in the ... | 2011 | 21714630 |