Pinctada radiata (Pearl Oyster): A Bioindicator for Metal Pollution Monitoring in the Qatari Waters (Arabian Gulf)

@article{Almadfa1998PinctadaR,
  title={Pinctada radiata (Pearl Oyster): A Bioindicator for Metal Pollution Monitoring in the Qatari Waters (Arabian Gulf)},
  author={Homaid A. Al-madfa and Mohamed Abdel-moati and F. H. Al-Gimaly},
  journal={Bulletin of Environmental Contamination and Toxicology},
  year={1998},
  volume={60},
  pages={245-251}
}
Trace metals are the main sources of metals toxicity in the marine environment by entering the food chain and thus affecting the ecosystem. The marine ecosystem off Qatar has been recently subjected to the direct release of urban and industrial runoff from major centres. Such inputs are known to contain trace metals which lead to increased metals concentrations in the coastal zone, some of which are toxic and can endanger human health. 
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TLDR
Cathodic stripping voltammetry (CSV) was used both before and after UV destruction of organic matter in filtered samples, to differentiate between the total dissolved as well as the labile fractions, indicating nutrient deficiency in this part of the Gulf.