Comparative Study of the Accumulation of Ni in Different Tissues of Mussels and Soft Clams

Two bivalves, the mussel Mytilus galloprovincialis, and the soft clam Callista chione were exposed to various Ni concentrations for a total period of 20 days, and then a depuration period of 10 days followed. Nickel accumulation in gills, mantle and the remaining body of the animals was measured aft...

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Bibliographic Details
Main Authors: Chalkiadakis, O., Paraskevopoulou, V., Roussos, I., Dassenakis, M., Lydakis Simantiris, N.
Format: Conference Proceeding
Language:English
Subjects:
Accumulation
Accumulators
Callicta chione
Callista chione
Contamination
Depuration
Gills
Mantle
Mollusks
Mussels
Mytilus galloprovincialis
Nickel
Nickel acuumulation
Seawater
Tissues
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Summary:Two bivalves, the mussel Mytilus galloprovincialis, and the soft clam Callista chione were exposed to various Ni concentrations for a total period of 20 days, and then a depuration period of 10 days followed. Nickel accumulation in gills, mantle and the remaining body of the animals was measured after 5, 10, 15 and 20 days of exposure to Ni-contaminated seawater. The two organisms showed different behavior regarding Ni accumulation in all three tissues examined. In all concentrations, Ni accumulation increased with time in all three tissues of Mytilus galloprovincialis with gills being the most effective accumulator per dry mass. On the other hand, Callista chione showed an initial response to Ni contamination the first 5 days, followed by stabilization or even a slight decrease of Ni accumulation.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/20130111003