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GeoHEALTH-USGS Newsletter

GeoHEALTH-USGS Newsletter

The GeoHEALTH-USGS Newsletter provides information on new USGS science activities related to safeguarding the health of fish, wildlife, domesticated animals, livestock, and people from environmental exposures to contaminants and pathogens.

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Featured Science Activities

Featured Science Activities

Lean about our Featured Science Activities through our pages that highlight recience studies, publications, and results.

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Filter Total Items: 3,223
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Year Published: 2019

San Francisco Bay triennial bird egg monitoring program for contaminants, California—2018

The Regional Monitoring Program for Water Quality in San Francisco Bay (RMP), administered by the San Francisco Estuary Institute, is a large-scale effort to monitor contaminant trends in water, sediment, fish, and birds throughout San Francisco Bay (San Francisco Estuary Institute, 2016). As part of the RMP and the U.S....

Ackerman, Joshua T.; Hartman, C. Alex; Herzog, Mark P.; Toney, Matthew
Ackerman, J.T., Hartman, C.A., Herzog, M.P., and Toney, M., 2019, San Francisco Bay triennial bird egg monitoring program for contaminants, California—2018: U.S. Geological Survey Data Series 1114, 14 p., https://doi.org/10.3133/ds1114.

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Year Published: 2019

Atrazine induced transgenerational reproductive effects in medaka (Oryzias latipes)

Atrazine is presently one of the most abundantly used herbicides in the United States, and a common contaminant of natural water bodies and drinking waters in high-use areas. Dysregulation of reproductive processes has been demonstrated in atrazine exposed fish, including alteration of key endocrine pathways on hypothalamic-pituitary-gonadal (HPG...

Cleary, Jacob A.; Tillitt, Donald E.; vom Saal, Fredrick S.; Nicks, Diane; Claunch, Rachel; Bhandari, Ramji K.

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Year Published: 2019

Geochemical factors controlling dissolved elemental mercury and methylmercury formation in Alaskan wetlands of varying trophic status

Transformations of aqueous inorganic divalent mercury (Hg(II)i) to volatile dissolved gaseous mercury (Hg(0)(aq)) and toxic methylmercury (MeHg) governs mercury bioavailability and fate in northern ecosystems. This study quantified concentrations of aqueous mercury species (Hg(II)i, Hg(0)(aq), MeHg) and relevant geochemical constituents in pore...

Poulin, Brett; Ryan, Joseph N.; Tate, Michael; Krabbenhoft, David; Hines, Mark E; Barkay, Tamar; Schaefer, Jeffra; Aiken, George R.

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Year Published: 2019

Spatial variation in aquatic invertebrate and riparian songbird mercury exposure across a river-reservoir system with a legacy of mercury contamination

Mercury (Hg) loading and methylation in aquatic systems causes a variety of deleterious effects for fish and wildlife populations. Relatively little research has focused on Hg movement into riparian food webs and how this is modulated by habitat characteristics. This study characterized differences in Hg exposure in aquatic invertebrates and...

Jackson, Allyson K.; Eagles-Smith, Collin A.; Emery, Colleen

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Year Published: 2019

In ovo exposure to brominated flame retardants Part II: Assessment of effects of TBBPA-BDBPE and BTBPE on hatching success, morphometric and physiological endpoints in American kestrels

Tetrabromobisphenol A bis(2,3-dibromopropyl ether) (TBBPA-BDBPE) and 1,2-bis(2,4,6-tribromophenoxy)ethane (BTPBE) are both brominated flame retardants (BFRs) that have been detected in birds; however, their potential biological effects are largely unknown. We assessed the effects of embryonic exposure to TBBPA-BDBPE and BTBPE in a model avian...

Eng, Margaret; Karouna-Renier, Natalie K.; Henry, Paula F. P.; Letcher, Robert J.; Schultz, Sandra L.; Bean, Thomas G.; Peters, Lisa E.; Palace, Vince P.; Williams, Tony D.; Elliott, John E.; Fernie, Kim J.

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Year Published: 2019

In ovo exposure to brominated flame retardants Part I: Assessment of effects of TBBPA-BDBPE on survival, morphometric and physiological endpoints in zebra finches

Tetrabromobisphenol A bis(2,3-dibromopropyl) ether (TBBPA-BDBPE) is an additive flame retardant used in polyolefins and polymers. It has been detected in biota, including in avian eggs, yet little is known of its effects. We assessed the pattern of TBBPA-BDBPE concentrations in songbird eggs over the incubation period, and the effects of embryonic...

Eng, Margaret; Williams, Tony D.; Fernie, Kim J.; Karouna-Renier, Natalie K.; Henry, Paula F. P.; Letcher, Robert J.; Elliott, John E.

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Year Published: 2019

Feather mercury concentrations in North American raptors sampled at migration monitoring stations

We assessed total mercury (THg) concentrations in breast feathers of diurnal North American raptors collected at migration monitoring stations. For 9 species in the Pacific Flyway, we found species and age influenced feather THg concentrations whereas sex did not. Feather THg concentrations µg/g dry weight (dw) averaged (least-squared mean±...

Baurbour, Ryan; Martinico, Breanna L.; Ackerman, Joshua T.; Herzog, Mark P.; Hull, Angus C.; Fish, Allen M.; Hull, Joshua M.

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Year Published: 2019

Tracking legacy mercury in the Hackensack River Estuary using mercury stable isotopes

Spatial redistribution of legacy mercury (Hg) contamination in the Hackensack River estuary (New Jersey, USA) was evaluated using mercury stable isotopes. Total Hg varied from 0.06 to 3.8 µg g-1 in sediment from the tidal Hackensack River and from 15 to 154 µg g-1 near historically contaminated sites in upper Berry's Creek, a tributary of the...

Reinfelder, John R; Janssen, Sarah E.

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Year Published: 2019

Demonstrating the value of Earth observations—methods, practical applications, and solutions—group on Earth observations side event proceedings

Executive SummaryThe U.S. Geological Survey, the National Oceanic and Atmospheric Administration, the European Association for Remote Sensing Companies, and the European Space Agency in coordination with the GEOValue Community hosted a side event to the Group on Earth Observations Plenary on October 23–24, 2017, in Washington, D.C. The workshop,...

Pearlman, Francoise; Lawrence, Collin B.; Pindilli, Emily; Geppi, Denna; Shapiro, Carl D.; Grasso, Monica; Pearlman, Jay; Adkins, Jeffery; Sawyer, Geoff; Tassa, Alessandra
Pearlman, F., Lawrence, C.B., Pindilli, E.J., Geppi, D., Shapiro, C.D., Grasso, M., Pearlman, J., Adkins, J., Sawyer, G., and Tassa, A., 2019, Demonstrating the value of Earth observations—Methods, practical applications, and solutions—Group on Earth Observations side event proceedings: U.S. Geological Survey Open-File Report 2019–1033, 33 p., https://doi.org/10.3133/ofr20191033.

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Year Published: 2019

Use of high-throughput screening results to prioritize chemicals for potential adverse biological effects within a West Virginia Watershed

Organic chemicals from industrial, agricultural, and residential activities can enter surface waters through regulated and unregulated discharges, combined sewer overflows, stormwater runoff, accidental spills, and leaking septic-conveyance systems on a daily basis. The impact of point and nonpoint contaminant sources can result in adverse...

Rose, Levi D.; Akob, Denise; Tuberty, Shea; Colby, Jeff; Martin, Derek; Corsi, Steven; DeCicco, Laura

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Year Published: 2019

Perfluoroalkyl contaminant exposure in tree swallows nesting at Clarks Marsh, Oscoda, Michigan, USA

A site in north eastern Michigan, Oscoda Township, has some of the highest recorded exposure in birds to perfluorinated substances (PFASs) in the U.S. 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...

Custer, Christine M.; Custer, Thomas W.; Delaney, Robert; Dummer, Paul; Schultz, Sandra L.; Karouna-Renier, Natalie K.

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Year Published: 2019

Residence time controls on the fate of nitrogen in flow‐through lakebed sediments

For many glacial lakes with highly permeable sediments, water exchange rates control hydrologic residence times within the sediment‐water interface (SWI) and the removal of reactive compounds such as nitrate, a common pollutant in lakes and groundwater. Here we conducted a series of focused tracer injection experiments in the upper 20 cm of...

Hampton, Tyler B.; Zarentske, Jay P.; Briggs, Martin A.; Singha, Kamini; Harvey, Judson W.; Day-Lewis, Frederick D.; Dehkordy, Farzaneh MahmoodPoor; Lane, John W.