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Evolution récente de la contamination radioactive des écosystèmes aquatique et ripicole de la Meuse par les effluents de la centrale nucléaire de la Sena, Chooz, Ardennes françaises
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An extensive sampling survey of animals and aquatic and ripicolous plants was performed in September 1974 in the Upper Meuse, in order to determine the mean levels of radioactive contamination of the main constituents of the river ecosystem
. In spite of the important modification observed in the activity levels and in the isotopic composition of the effluent-release since a similar survey performed in September 1971, the conclusions obtained at this moment remain valid in this new context