Does radioactive contamination affect the shell morphology of the pond snail <Emphasis Type="Italic">Lymnaea stagnalis</Emphasis> in the exclusion zone of the Chernobyl NPP (Ukraine)? |
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| Authors: | Michael Zuykov Dmitry Gudkov Maxim Vinarski Emilien Pelletier David A T Harper Serge Demers |
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| Institution: | 1.Institut des Sciences de la Mer de Rimouski (ISMER),Université du Québec à Rimouski,Rimouski,Canada;2.Department of Freshwater Radioecology,Institute of Hydrobiology,Kiev,Ukraine;3.Museum of Siberian Aquatic Molluscs,Omsk State Pedagogical University,Omsk,Russia;4.Department of Earth Sciences,Durham University,Durham,UK |
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| Abstract: | A distinct external shell abnormality, coarse seam, was found in a high percentage of the pond snail Lymnaea stagnalis (L.) collected near Chernobyl Nuclear Power Plant (NPP), Ukraine. The negative cytogenetical and hematological effects of
long-term irradiation on pond snails in the Chernobyl Exclusion Zone have been repeatedly reported; consequently, it has been
assumed that radioactivity may also affect shell morphology. However, due to the absence of this shell abnormality in pond
snails collected from two radioactive sites in Russia, it can be concluded that the appearance of abnormal shells in snail
population near Chernobyl NPP cannot directly be explained by the radioactive contamination. |
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