An experimental study of the uptake and loss of Ra-226 by the tissue of the tropical freshwater mussel Velesunio angasi (Sowerby) under varying Ca and Mg water concentrations

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Journal Article
Hydrobiologia, 1986, 139 pp. 59 - 80
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Freshwater mussels Yelesunio angasi (Sowerby) from Magela Creek, Alligator Rivers Region, Northern Territory, Australia, experimentally exposed to mean elevated Ra-226 water concentrations ranging between 0.95 and 1 .85 Bq l - ' for 28 days, accumulated Ra-226 in their tissue to mean concentrations ranging from 2.8 to 4 .8 Bq per gram of dry tissue. The Ra-226 (log lo ) was accumulated in a linear pattern over exposure periods of 28 and 56 days . Mussel size and sex had little or no effect on the rates of uptake of Ra-226 per gram of tissue.
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