Comparative Uptake and Biodegradability of DDT and Methoxychlor by Aquatic Organisms

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Abstract
The studies reported in this paper were designed to further test the biodegradability of methoxychlor and to compare in a laboratory aquatic environment (i) the uptake of DDT and methoxychlor directly from water by fishes, from water by crustaceans of the genus Daphnia and by snails of the genus Phijsa, and from daphnia by guppies in a daphnia-to-fish food chain and (ii) the subsequent elimination of the insecticides from the organisms.