title: Chesapeake Bay fish-osprey (Pandion haliaetus) food chain: Evaluation of contaminant exposure and genetic damage.
abstract: From 2011 to 2013, a large-scale ecotoxicological study was conducted in several Chesapeake Bay (USA) tributaries (Susquehanna River and flats, the Back, Baltimore Harbor/Patapsco Rivers, Anacostia/ middle Potomac, Elizabeth and James Rivers) and Poplar Island as a mid-Bay reference site. Osprey (Pandion haliaetus) diet and the transfer of contaminants from fish to osprey eggs were evaluated. The most bioaccumulative compounds (biomagnification factor > 5) included p,p'-dichlorodiphenyldichloroethylene (DDE), total polychlorinated biphenyls (PCBs), total polybrominated diphenyl ethers (PBDEs), and bromodiphenyl ether (BDE) congeners 47, 99, 100, and 154. This analysis suggested that alternative brominated flame retardants and other compounds (methoxytriclosan) are not appreciably biomagnifying. A multivariate analysis of similarity indicated that major differences in patterns among study sites were driven by PCB congeners 105, 128, 156, 170/190, and 189, and PBDE congeners 99 and 209. An integrative redundancy analysis showed that osprey eggs from Baltimore Harbor/Patapsco River and the Elizabeth River had high residues of PCBs and p,p'-DDE, with PBDEs making a substantial contribution to overall halogenated contamination on the Susquehanna and Anacostia/middle Potomac Rivers. The redundancy analysis also suggested a potential relation between PBDE residues in osprey eggs and oxidative DNA damage in nestling blood samples. The results also indicate that there is no longer a discernible relation between halogenated contaminants in osprey eggs and their reproductive success in Chesapeake Bay. Osprey populations are thriving in much of the Chesapeake, with productivity rates exceeding those required to sustain a stable population. Environ Toxicol Chem 2016;35:1560-1575. Published 2016 Wiley Periodicals Inc. on behalf of SETAC. This article is a US Government work and, as such, is in the public domain in the United States of America.
authors.affiliation: Patuxent Wildlife Research Center, US Geological Survey, Beltsville, Maryland, USA.|Marine-Estuarine Environmental Sciences Program and Department of Animal and Avian Sciences, University of Maryland, College Park, Maryland, USA.
authors.forename: Rebecca S
authors.initials: RS
authors.lastname: Lazarus
authors.affiliation: Patuxent Wildlife Research Center, US Geological Survey, Beltsville, Maryland, USA.
authors.forename: Barnett A
authors.initials: BA
authors.lastname: Rattner
authors.affiliation: Chesapeake Bay Field Office, US Fish and Wildlife Service, Annapolis, Maryland, USA.
authors.forename: Peter C
authors.initials: PC
authors.lastname: McGowan
authors.affiliation: Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, Virginia, USA.
authors.forename: Robert C
authors.initials: RC
authors.lastname: Hale
authors.affiliation: Patuxent Wildlife Research Center, US Geological Survey, Beltsville, Maryland, USA.
authors.forename: Natalie K
authors.initials: NK
authors.lastname: Karouna-Renier
authors.affiliation: Upper Midwest Environmental Sciences Center, US Geological Survey, La Crosse, Wisconsin, USA.
authors.forename: Richard A
authors.initials: RA
authors.lastname: Erickson
authors.affiliation: Marine-Estuarine Environmental Sciences Program and Department of Animal and Avian Sciences, University of Maryland, College Park, Maryland, USA.|Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA.
authors.forename: Mary Ann
authors.initials: MA
authors.lastname: Ottinger
mesh_terms: D000818:Animals; D061006:Bays; D004249:DNA Damage / Q000187:drug effects*; D004784:Environmental Monitoring; D046093:Falconiformes / Q000254:growth & development / Q000378:metabolism*; D005399:Fishes / Q000378:metabolism; D005411:Flame Retardants / Q000378:metabolism / Q000633:toxicity; D020387:Food Chain; D055768:Halogenated Diphenyl Ethers / Q000378:metabolism / Q000633:toxicity; D010063:Ovum / Q000187:drug effects / Q000378:metabolism; D011078:Polychlorinated Biphenyls / Q000378:metabolism / Q000633:toxicity; D012098:Reproduction / Q000187:drug effects; D014874:Water Pollutants, Chemical / Q000378:metabolism / Q000633:toxicity*
chemical_list: D005411:Flame Retardants; D055768:Halogenated Diphenyl Ethers; D014874:Water Pollutants, Chemical; D011078:Polychlorinated Biphenyls
keywords: Biomagnification; Chesapeake Bay; Genotoxicity; Ospreys; Wildlife toxicology