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Biological Fate of DDT in a Sub-Arctic Environment

N. J. Brown and A. W. A. Brown
The Journal of Wildlife Management
Vol. 34, No. 4 (Oct., 1970), pp. 929-940
Published by: Wiley on behalf of the Wildlife Society
DOI: 10.2307/3799164
Stable URL: http://www.jstor.org/stable/3799164
Page Count: 12
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Biological Fate of DDT in a Sub-Arctic Environment
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Abstract

Residues of DDT plus metabolites were determined in 660 samples of soil, plants, and animals in a 16-square mile area at Fort Churchill treated with 22 airsprays at 0.22 lb/acre applied between 1947 and 1964. The average residues of DDT plus metabolites in the fat of birds ranged between 3 ppm in the willow ptarmigan (Lagopus lagopus) and 64 ppm in the arctic tern (Sterna paradisaea) as compared with 0.2-12 ppm in fat from birds taken in the surrounding unsprayed area. The proportion of DDE found in the various bird species was partly dependent on the DDE production of their plant or invertebrate food. Of the tissues assessed, the pectoral muscle had the lowest residue, except in the case of the arctic tern and Bonaparte's gull (Larus philadelphia).

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