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

Environmental Monitoring and Assessment

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Abstract

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.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Organochlorine and mercury residues in Swainson's and ferruginous hawk eggs collected in North and South Dakota, 1974-79
Series title:
Environmental Monitoring and Assessment
Volume
10
Issue:
1
Year Published:
1988
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
37-41
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
37
Last page:
41
Number of Pages:
5