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Perfluoroalkyl Contaminant Exposure and Effects in Tree Swallows Nesting at Clarks Marsh, Oscoda, Michigan, USA.
Custer, Christine M; Custer, Thomas W; Delaney, Robert; Dummer, Paul M; Schultz, Sandra; Karouna-Renier, Natalie.
Afiliación
  • Custer CM; U.S. Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI, 54603, USA. ccuster@usgs.gov.
  • Custer TW; U.S. Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI, 54603, USA.
  • Delaney R; Michigan Department of Environmental Quality, P.O. Box 30473, Lansing, MI, 48909-7973, USA.
  • Dummer PM; U.S. Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI, 54603, USA.
  • Schultz S; U.S. Geological Survey, Patuxent Wildlife Research Center, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA.
  • Karouna-Renier N; U.S. Geological Survey, Patuxent Wildlife Research Center, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA.
Arch Environ Contam Toxicol ; 77(1): 1-13, 2019 Jul.
Article en En | MEDLINE | ID: mdl-30955057
A site in northeastern Michigan, Oscoda Township, has some of the highest recorded exposure in birds to perfluorinated substances (PFASs) in the United States. Some egg and plasma concentrations at that location exceeded the lowest reproductive effect threshold established for two avian laboratory species. The objectives of this study were to determine whether there were reproductive effects or physiological responses in a model bird species, the tree swallow (Tachycineta bicolor), associated with this extremely high exposure to PFASs. The lack of exposure above background to other contaminants at this site allowed for an assessment of PFAS effects without the complication that responses may be caused by other contaminants. A secondary objective was to determine the distribution of PFASs in multiple tissue types to better understand and interpret residues in different tissues. This can best be done at highly exposed locations where tissue concentrations would be expected to be above detectable levels if they are present in that tissue. There were no demonstrable effects of PFAS exposure on reproduction nor on most physiological responses.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Golondrinas / Contaminantes Ambientales / Fluorocarburos / Comportamiento de Nidificación Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: Arch Environ Contam Toxicol Año: 2019 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Golondrinas / Contaminantes Ambientales / Fluorocarburos / Comportamiento de Nidificación Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: Arch Environ Contam Toxicol Año: 2019 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos