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Transfer rule of 137C3 and 60Co in seawater and an arrificial food web which made up of Platy-monas, Arca, tenaeus and Tilapia were studied.The results showed that the transfer of nuclide could be realized in a longer food chain in which seawater contained radioactivity, the transfer along food chain alone was slight, the pathway of nuclide uptaken by organism was mainly from seawater,but the pressnce of the food was helpful to the transfer of the nuclide, the transfer efficiency of 60Co by every member in the marine food chain was greater than that of 137C3.
Transfer rule of 137C3 and 60Co in seawater and an arrificial food web which made up of Platy-monas, Arca, tenaeus and Tilapia were studied.The results showed that the transfer of nuclide could be realized in a longer food chain in which seawater contained radioactivity , the transfer along food chain alone was slight, the pathway of nuclide uptaken by organism was mainly from seawater, but the pressnce of the food was helpful to the transfer of the nuclide, the transfer efficiency of 60Co by every member in the marine food chain was greater than that of 137C3.