The story of N: a social history of the nitrogen cycle and the challenge of sustainability |
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| Authors: | Geoff O’Brien |
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| Affiliation: | 1. Commissariat à l'Energie Atomique, Départment de Protection , Section de Radioécologie, B.P. no. 1–13115 , Saint Paul Les Durance, France;2. Laboratoire d'EcoIogie Animate et Biologie Marine , Université de Nantes , B.P. 1044–44037, Nantes Cedex, France |
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| Abstract: | The assimilation and subsequent elimination of cobalt‐60 by different marine organisms are affected by the mode of contamination: chronic or acute. Experimental cobalt‐60 Contamination of such organisms varies qualitatively and quantitatively according to whether the pollutant is transferred through the water or through the food. The concentration factor with respect to water, the transfer factor through food and the overall contamination estimate show a decrease for the highest trophic levels. |
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