Application of artificial mussels (AMs) under South African marine conditions: A validation study |
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| Institution: | 1. Department of Critical Care Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada;2. Department of Pathology & Laboratory Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada |
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| Abstract: | Over the last three decades there has been a significant decline in the number of marine pollution monitoring-related studies in South Africa. Thus, the current study was conducted to assess the current state of metal contamination within the South African marine environment through the validation of the artificial mussel (AM). Indigenous reference mussels (Perna perna) were deployed alongside the passive device within the South African marine environment for a 6 week exposure period. Analysis of metal uptake (Cd, Cr, Cu, Pb and Zn) was determined by filtration and elution of the AM chelex resins, microwave digestion of the transplanted mussels, and determination of their metal concentrations by ICP-MS and ICP-OES analysis. Uptake patterns between the AM and transplanted mussels showed significant temporal and spatial correlation for the majority of the elements analysed. While the AM provided relevant and complementary information on the dissolved metal concentrations, limitations were also observed. |
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