| sharptooth catfish shows its metal: a case study of metal contamination at two impoundments in the olifants river, limpopo river system, south africa. | clarias gariepinus is increasing in importance as a global aquaculture species with a 100 fold increase in production over the past decade but this species still remains one of the most important wild harvested freshwater food fish throughout rural africa. however, this species has been shown to accumulate metals from contaminated inland waters. in this paper, the metal concentrations in muscle tissue of c. gariepinus from two main-stem impoundments in the olifants river, limpopo basin, were mea ... | 2015 | 25463859 |