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Organochlorine contaminants and Tree Swallows along the Fox River and Green Bay, Wisconsin, USA

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Organochlorine contaminants and Tree Swallows along the Fox River and Green Bay, Wisconsin, USA; 1999; Book chapter; Proceedings 22nd International Ornithological Congress, 16-22 August 1998, Durban.; Custer, C.M.; Custer, T.W.; Allen, P.D.; Stromborg, K.L.; Melancon, M.J.

Summary

Green Bay, Wisconsin is contaminated with polychlorinated biphenyls (PCBs) however, whether these contaminants affect reproduction in insectivorous birds is unknown. Tree Swallows, Tachycineta bicolor, are secondary cavity nesters that will nest in boxes and tolerate handling. Because Tree Swallows are aquatic insectivores, residues in their tissues are primarily indicative of contaminants in sediments. We studied swallows at two contaminated and two reference colonies in 1993, 1994, and 1995 in the Green Bay area. Swallows at the two contaminated sites had significantly higher PCB levels in eggs when compared to two reference sites. Eggs from clutches that contained dead embryos had higher PCB concentrations than eggs from clutches [...]

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Harvested on Mon Jul 21 13:29:33 MDT 2014 from MODS XML Service

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Type Scheme Key
local-index unknown 5211023
local-pk unknown 5211023

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parts
typePublication Place
valueJohannesburg, South Africa
languageEnglish
citationTypeBook chapter

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