Marine Biology

, Volume 87, Issue 2, pp 137–142 | Cite as

Accumulation of metals by marine picoplankton

  • N. S. Fisher


The concentration of ten metals by the cultured bluegreen “picoplankter” Synechococcus sp. was investigated using radiotracer methodology in a series of laboratory experiments. Volume/volume concentration factors ranged from not significantly different from zero for Np and Cs to 106 for Sn, Hg, and Pu. As in eukaryotic algae, bioaccumulation of metals in Synechococcus sp. generally conformed with Freundlich adsorption isotherms. Given the ubiquity and abundance of the picoplankton and their high affinity for some metals, it is estimated that picoplankton-based food webs would represent a major route for the movement of particle-reactive metals in marine ecosystems.


Laboratory Experiment Adsorption Isotherm Bioaccumulation Marine Ecosystem Concentration Factor 
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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • N. S. Fisher
    • 1
  1. 1.Musée OcéanographiqueInternational Laboratory of Marine RadioactivityMonaco

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