A review and test of predictive models for the bioaccumulation of radiostrontium in fish |
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| Authors: | JT Smith NV Sasina AI Kryshev NV Belova AV Kudelsky |
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| Institution: | 1. School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth PO1 3QL, United Kingdom;2. Belarussian Geological Prospecting Research Institute, Ministry of Natural Resources and Protection of Environment, Academician Kuprevich str. 7, 220141 Minsk, Belarus;3. Scientific and Production Association “Typhoon”, 82 Lenin Ave., Obninsk, Kaluga Region 249038, Russia;4. Biology Faculty, Moscow State University, Moscow, Russia;5. Institute for Nature Management of the National Academy of Sciences of Belarus. F. Skoriny str., 10, 220114 Minsk, Belarus |
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| Abstract: | Empirical relations between the 90Sr concentration factor (CF) and the calcium concentration in freshwater aquatic systems have previously been determined in studies based on data obtained prior to the Chernobyl accident. The purpose of the present research is to review and compare these models, and to test them against a database of post-Chernobyl measurements from rivers and lakes in Ukraine, Russia, Belarus and Finland. It was found that two independently developed models, based on pre-Chernobyl empirical data, are in close agreement with each other, and with empirical data. Testing of both models against new data obtained after the Chernobyl accident confirms the models’ predictive ability. An investigation of the influence of fish size on 90Sr accumulation showed no significant relationship, though the data set was somewhat limited. |
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| Keywords: | Radiostrontium 90Sr 89Sr Fish Bioaccumulation Concentration factor Model Size effect |
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