Nordic Radioecology

Preface. Contributors and Participants. Nordic Radioecology 1990-1993. The aims and justification of Nordic radioecology (H. Dahlgaard). General summary and conclusions (H. Dahlgaard et al.). Aquatic Ecosystems. Introduction to aquatic ecosystems (M. Notter, J. Brittain, U. Bergström). The characterization of radiocaesium transport and retention in Nordic lakes (H.E. Bjørnstad et al.). The distribution and characterization of ¹³⁷Cs in lake sediments (A. Broberg). Transport of ¹³⁷Cs in large Finnish drainage basins (R. Saxén). The role of lake-specific abiotic and biotic factors for the transfer of radiocaesium fallout to fish (T. Andersson, M. Meili). Models for predicting radiocaesium levels in lake water and fish (U. Bergström, B. Sundblad, S. Nordlinder). Radiocaesium in algae from Nordic coastal waters (L. Carlson, P. Snoeijs). Polonium-210 and radiocaesium in muscle tissue of fish from different Nordic marine areas (E. Holm). Radiocaesium as ecological tracer in aquatic systems - a review (M. Meili). Agricultural Ecosystems. Introduction to radioecology of the agricultural ecosystem (P. Strand). Direct contamination - seasonality (A. Aarkrog). Influence of physico-chemical forms on transfer (D.H. Oughton, B. Salbu). Contamination of annual crops (M. Strandberg). Transfer of ¹³⁷Cs to cows' milk in the Nordic countries (H.S. Hansen, I. Andersson). Radiocaesium transfer to grazing sheep in Nordic environments (K. Hove et al.). Dynamic model for the transfer of ¹³⁷Cs through the soil-grass-lamb foodchain (S.P. Nielsen). Studies on countermeasures after radioactive depositions in Nordic agriculture (K. Rosén). Forest and Alpine Ecosystems. Introduction to terrestrial seminatural ecosystems (A. Rantavaara). The transfer of radiocaesium from soil to plants and fungi in seminatural ecosystems (R.A. Olsen). Radiocaesium in game animals in the Nordic countries (K.J. Johanson). Pathways of fallout radiocaesium via reindeer to man (E. Gaare, H. Staaland). The distrubution of radioactive caesium in boreal forest ecosystems (R. Bergman). Methodology, Quality Assurance and Doses. Introduction to intercalibration / analytical quality control and doses (E. Holm). Intercomparison of large stationary air samplers (I. Vintersved). Intercalibration of whole-body counting systems (T. Rahola, R. Falk, M. Tillander). Intercalibration of gamma-spectrometric equipment (E. Holm). Doses from the Chernobyl accident to the Nordic populations via diet intake (A. Aarkrog). Internal radiation doses to the Nordic population based on whole-body counting (M. Suomela, T. Rahola). Definitions, Terms and Units. Index. Species Index.