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The data set contains results for nine serum biochemistries in molting Pacific black brant (Branta bernicla nigricans). These data were used to calculate reference intervals (sometimes referred to as normal values) for the nine serum biochemistries. All brant were after-hatch year. All samples were collected in 2006 and 2007 in the Teshekpuk Lake Special Area, Alaska.
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During 2010-2014, tree swallow (Tachycineta bicolor) reproductive success was monitored at 68 sites across all 5 Great Lakes, including 58 sites located within Great Lakes Areas of concern (AOCs) and 10 non-AOCs. Sample eggs were collected from tree swallow clutches and analyzed for contaminants including polychlorinated biphenyls (PCBs), dioxin and furans, polybrominated diphenyl ethers, and 34 other organic compounds. Contaminant data were available for 360 of the 1249 clutches monitored. Markov chain multistate modeling was used to assess the importance of 5 ecological and 11 of the dominant contaminants in explaining the pattern of egg and nestling failure rates. Four of 5 ecological variables (female Age, Date...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Areas of Concern,
Great Lakes,
PBDEs,
PCBs,
PCDD-F, All tags...
Tachycineta bicolor,
Tree swallows,
USGS Science Data Catalog (SDC),
egg failure probability,
eggs,
hatching success,
industrial pollution,
nestling failure probability,
organic pesticides,
reproductive success, Fewer tags
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Tree swallow, Tachycineta bicolor, nestlings were collected from 76 sites in the Great Lakes which included multiple sites at 27 Areas of Concern (AOCs) and 12 sites not listed as AOCs from 2010 to 2015. Livers were harvested and analyzed for 21 elements. Mercury concentrations differed among AOCs; however, all livers analyzed had concentrations well within background and generally comparable or lower than most sites outside of the Great Lakes. Mercury, the only element specifically identified in the designation of AOCs, does not seem to pose a threat to birds at any of the AOCs monitored. In contrast, selenium (Se) concentrations were elevated at sites on the southwest shore of Lake Michigan to levels that could...
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Trace element data in whole blood collected in 2001 from Steller’s eiders (Polysticta stelleri; STEI) at Izembek Lagoon and Steller’s eiders, harlequin ducks (Histrionicus histrionicus; HADU), black scoters (Melanitta americana; BLSC), and a long-tailed duck (Clangula hyemalis; LTDU) at Dutch Harbor, Alaska. Data include species, location, age, sex, percent moisture of blood sample, and trace element results in µg/g, dry weight.
Categories: Data;
Tags: Alaska,
Alaska,
Dutch Harbor,
Izembek Lagoon,
Steller's eider, All tags...
USGS Science Data Catalog (SDC),
Wildlife Biology,
Wildlife Disease,
biota,
sea ducks,
trace elements, Fewer tags
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The authors screened 1,397 feral horses (Equus caballus) on Sheldon National Wildlife Refuge, Nevada, United States, for IgM and IgG against flavivirus during 2004-2006, 2008, and 2009. Positive serum samples were tested for neutralizing antibodies to West Nile virus (WNV) and St. Louis encephalitis virus (SLEV). One animal was positive for antibody against WNV in 2004, but all others tested in 2004-2006 were negative. In 2008 and 2009, the authors found evidence of increasing seropositive horses with age, whereas seroprevalence of WNV decreased from 19% in 2008 to 7.2% in 2009. No horses were positive for antibody against SLEV. Being unvaccinated, feral horses can be useful for WNV surveillance.
Categories: Data;
Types: Citation;
Tags: Sheldon National Wildlife Refuge, Nevada, USA,
USGS Science Data Catalog (SDC),
West Nile virus,
antibody,
disease vectors, All tags...
feral horse,
serology,
viruses,
wildlife,
wildlife disease,
zoonotic disease, Fewer tags
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