, Volume 21, Issue 4, pp 1155–1166 | Cite as

Assessment of microcystin distribution and biomagnification in tissues of aquatic food web compartments from a shallow lake and evaluation of potential risks to public health

  • Theodoti Papadimitriou
  • Ifigenia Kagalou
  • Constantinos Stalikas
  • Georgios Pilidis
  • Ioannis D. LeonardosEmail author


The objectives of this study were: (1) to examine the distribution and bioaccumulation of microcystins in the main components of the food web (phytoplankton, zooplankton, crayfish, shrimp, mussel, snail, fish, frog) of Lake Pamvotis (NW Greece), (2) to investigate the possibility of microcystin biomagnification and (3) to evaluate the potential threat of the contaminated aquatic organisms to human health. Significant microcystin concentrations were detected in all the aquatic organisms during two different periods, with the higher concentrations observed in phytoplankton and the lower in fish species and frogs. This is the first study reporting microcystin accumulation in the body of the freshwater shrimp Atyaephyra desmsaresti, in the brain of the fish species common carp (Cyprinus carpio) and in the skin of the frog Rana epirotica. Although there was no evidence for microcystin biomagnification, the fact that microcystins were found in lake water and in the tissues of aquatic organisms, suggests that serious risks to animal and public health are possible to occur. In addition, it is likely to be unsafe to consume aquatic species harvested in Lake Pamvotis due to the high-concentrations of accumulated microcystins.


Microcystins Aquatic organisms Biomagnification Health risks Food web Ecotoxicology 


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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Theodoti Papadimitriou
    • 1
  • Ifigenia Kagalou
    • 2
  • Constantinos Stalikas
    • 3
  • Georgios Pilidis
    • 1
  • Ioannis D. Leonardos
    • 1
    Email author
  1. 1.Biological Applications and Technology DepartmentUniversity of IoanninaIoanninaGreece
  2. 2.Ichthyology and Aquatic Environment DepartmentUniversity of ThessalyVolosGreece
  3. 3.Department of ChemistryUniversity of IoanninaIoanninaGreece

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