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Interspecific comparison of Cd bloaccumulation in European Pectinidae (Chlamys varia and Pecten maximus)
Provedor de dados: 5
Autores: Metian, M; Warnau, M; Oberhansli, F; Teyssie, J; Bustamante, Paco.
The uptake and loss kinetics of Cd were determined in two species of scallops from the European coasts, the variegated scallop Chlamys varia and the king scallop Pecten maximus, following exposures via seawater, phytoplankton and sediment using highly sensitive radiotracer techniques (Cd-109). Results indicate that, for seawater and dietary pathways, C. varia displays higher bioaccumulation capacities in terms of uptake rate from water and fraction absorbed from ingested food (assimilation efficiency) than Pecten maximus. Regarding sediment exposure, P. maximus displayed low steady-state Cd transfer factor (TFSS &lt; 1); however, once incorporated, a very large part of Cd transferred from sediment (92%) was strongly retained within R maximus tissues....
Tipo: Text
Palavras-chave: Subcellular distribution; Scallops; Metal; Kinetics; Cadmium; Bivalves.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/publication-3581.pdf