Organochlorine chemicals in tree swallows nesting in pool 15 of the Upper Mississippi River

Tree swallow Tachyineta bicolor eggs and nestlings were collected at three sites along the shoreline of Pool 15 on the upper Mississippi River, and concentrations of organochlorine compounds were measured. One collection site was used as an upriver reference location. Results showed that total PCBs...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2000-03, Vol.64 (3), p.341-346
Main Authors: CUSTER, C. M, CUSTER, T. W, COFFEY, M
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Animals
Applied ecology
Aves
Biological and medical sciences
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
Egg Shell - chemistry
Environmental Pollutants - analysis
Freshwater
Fundamental and applied biological sciences. Psychology
Insecticides - analysis
Nesting
Organic compounds
Pesticide Residues - analysis
Polychlorinated Biphenyls - analysis
Songbirds
United States
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Summary:Tree swallow Tachyineta bicolor eggs and nestlings were collected at three sites along the shoreline of Pool 15 on the upper Mississippi River, and concentrations of organochlorine compounds were measured. One collection site was used as an upriver reference location. Results showed that total PCBs in eggs were similar to levels present at reference sites and significantly lower than levels found at PCB-contaminated sites in Green Bay. TCDD and TCDF concentrations in eggs ranged O.012 0.026 and 0.14 0.22 ng/g, respectively. The mean organochlorine compound concentrations in nestlings were at or near background levels and did not vary between locations.
ISSN:0007-4861
1432-0800
DOI:10.1007/s001280000005