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Bioaccumulation of radioisotopes through aquatic food chains


Bioaccumulation of radioisotopes through aquatic food chains



Ecology 39(3): 530-535



ISSN/ISBN: 0012-9658

DOI: 10.2307/1931764

When radioactive materials are introduced into aquatic environments, the amounts that accumulated in organisms depends upon the kinds of isotopes, varies among species and tissues, and fluctuates according to food habits, life cycle, and seasonal ecological changes. Adsorption and absorption are of major importance in the uptake of many radioisotopes by plants but appear less important than the food web in the uptake by aquatic animals. Each trophic level serves as a pool in which essential elements and their radioisotopes are retained for a time before they are passed on to the next level, but retention time is not necessarily a function of the size of the pool.

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Accession: 024236157

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