Organochlorine and mercury residues in Swainson's and ferruginous hawk eggs collected in North and South Dakota, 1974-79

Residues of organochlorine pesticides, polychlorinated biphenyls (PCBs), and mercury were measured in eggs of Swainson's hawks (Buteo swainsoni) and ferruginous hawks (B. regalis) collected in North and South Dakota during 1974-79. DDE was the most common compound detected in the eggs, but resi...

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Bibliographic Details
Published in:Environmental monitoring and assessment 1988, Vol.10 (1), p.37-41
Main Authors: STENDELL, R. C, GILMER, D. S, COON, N. A, SWINEFORD, D. M
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Applied ecology
Aves
Biological and medical sciences
Buteo regalis
Buteo swainsoni
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
Fundamental and applied biological sciences. Psychology
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Summary:Residues of organochlorine pesticides, polychlorinated biphenyls (PCBs), and mercury were measured in eggs of Swainson's hawks (Buteo swainsoni) and ferruginous hawks (B. regalis) collected in North and South Dakota during 1974-79. DDE was the most common compound detected in the eggs, but residues were below levels known to have adverse effects on reproduction. Other organochlorine compounds and mercury were found at low levels. Eggs of ferruginous hawks tended to contain more compounds with higher residues than eggs of Swainson's hawks.
ISSN:0167-6369
1573-2959
DOI:10.1007/BF00394254