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Comparative study of potential transfer of natural and anthropogenic cadmium to plankton communities in the North-West African upwelling ArchiMer
Auger, Pierre-amael; Machu, Eric; Gorgues, Thomas; Grima, Nicolas; Waeles, Mathieu.
A Lagrangian approach based on a physical-biogeochemical modeling was used to compare the potential transfer of cadmium (Cd) from natural and anthropogenic sources to plankton communities (Cd-uptake) in the NorthWest African upwelling. In this region, coastal upwelling was estimated to be the main natural source of Cd while the most significant anthropogenic source for marine ecosystem is provided by phosphate industry. In our model experiment, Cd-uptake (natural or anthropogenic) in the North-West African upwelling is the result of an interplay between the Cd dispersion (by advection processes) and the simulated biological productivity. In the Moroccan waters, advection processes limit the residence time of water masses resulting in a low natural...
Tipo: Text Palavras-chave: Cadmium; North-West African upwelling; Phosphate industry; Dispersion; Bioaccumulation; Plankton ecosystem.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00252/36310/35200.pdf
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