83 datasets found
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Federal
Chemical characterization of water and suspended sediment of the Snake River and Hells Canyon Complex (Idaho, Oregon) (ver. 3.0, November 2023)
Department of the Interior —
This dataset includes laboratory analyses of surface water samples and sediment trap material collected from (1) locations upstream, downstream, and within the Hells... -
Federal
Fish tissue mercury and selenium concentrations in Upper Colorado River Basin: 1962-2011
Department of the Interior —
These data were compiled to study mercury and selenium concentrations in fish species and assemblages in lotic waterbodies across the Upper Colorado River Basin. Data... -
Federal
Mercury in emergent odonates and midges of the Prairie Pothole wetlands of North Dakota, USA
Department of the Interior —
This data release is an extension of a previous data release (https://doi.org/10.5066/P971S7IV) that expands the collected data to include tissue mercury... -
Federal
Walleye (Sander vitreus), Yellow Perch (Perca flavescens) and Surface Water Mercury Concentrations in Minnesota Lakes
Department of the Interior —
Water quality and fish tissue samples were collected and measured for mercury concentrations in a total of 23 small to medium size lakes in Minnesota to assess the... -
Federal
Mercury Concentrations in Bed Sediment, Bad River Watershed, Wisconsin, 2006-2015
Department of the Interior —
These data represent total mercury (Hg) concentrations and percent organic carbon in bed sediment from 51 samples collected at 44 location in streams and rivers... -
Federal
Mercury Concentrations in Fish Tissue, Bad River Watershed, Wisconsin, 2004-2013
Department of the Interior —
These data represent Hg concentrations in tissue from 104 analyses of fish samples collected at 7 sites in streams/rivers and lakes during 2004 to 2013 within or near... -
Federal
Mercury Concentrations in Surface Waters, Bad River Watershed, Wisconsin, 2006-2016
Department of the Interior —
These data represent mercury (Hg), filtered total Hg (FTHg), filtered methylmercury (FMHg), particulate total Hg (PTHg), particulate methylmercury (PMHg), total... -
Federal
Feather mercury concentrations in North American raptors sampled at migration monitoring stations
Department of the Interior —
We assessed total mercury concentrations in breast feathers of diurnal North American raptors collected at migration monitoring stations. We sampled raptor feathers... -
Federal
Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 10.0, January 2025)
Department of the Interior —
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other... -
Federal
Incubation Constancy, Number of Incubation Recesses, Recess Duration and Mercury Concentrations for Tree Swallows at the Cosumnes River Preserve 2014
Department of the Interior —
These metadata provide data used to examine tree swallow incubation behavior in relation to egg mercury concentration and maternal blood mercury concentration. These... -
Federal
Selenium and mercury in fish tissues from the Kootenai River, Montana and Idaho, September 2018
Department of the Interior —
Working in cooperation with EPA, the USGS coordinated the collection of fish tissue for processing and analyses by the EPA Region 10 Manchester Environmental... -
Federal
Geochemical Data for Mercury and Other Constituents in Redox- Manipulated Sediment Cores from Clear Lake, Lake County, California
Department of the Interior —
Clear Lake, located within the Coast Range west of California’s Central Valley, is the largest natural freshwater lake contained fully within the state and... -
Federal
Total Mercury Concentrations in Fish Muscle from the Colorado River and Bright Angel Creek, AZ, USA (2015)
Department of the Interior —
Mercury is a globally distributed pollutant that threatens human and ecosystem health. Even protected areas, such as national parks, are subjected to mercury... -
Federal
Mercury Stable Isotope Assessment of Global Food Webs
Department of the Interior —
This dataset describes mercury (Hg) stable isotope values in fish dorsal muscle from different freshwater environments across the globe. Fish were collected at... -
Federal
Avian eggshell thickness for 12 species in the western U.S. from 2014 to 2018
Department of the Interior —
Eggshell thickness was measured at the egg equator and poles (sharp pole and blunt pole) for 12 avian species. Eggshell thickness was related to egg morphometrics... -
Federal
Measurements of mercury stable isotopes during planktonic uptake and photochemical demethylation of methylmercury
Department of the Interior —
Laboratory experiments were performed between 2019 and 2020 to examine how dissolved organic matter (DOM) and phytoplankton (Raphidocelis subcapitata) cells alter... -
Federal
Mercury concentration data for soil, surface water and rice grain from six commercial rice growing fields in the Sacramento Valley of California (USA)
Department of the Interior —
Mercury (Hg) is a well-known toxic element and environmental contaminant. The central valley of California has long been identified as a hotspot for Hg contamination... -
Federal
Mercury Concentrations and Light Stable Isotope Values for Invasive Black and White Tegus from the Greater Everglades, 2022-2024
Department of the Interior —
This dataset details mercury (Hg) concentrations and carbon, nitrogen, and sulfur isotopes for Black and White tegus (Salvator merianae) collected in and around... -
Federal
Mercury concentrations in surface water, sediment, and biota in the Laurentian Great Lakes, 2005 through Present
Department of the Interior —
Under the Great Lakes Restoration Initiative, the U.S. Geological Survey Mercury Research Lab (USGS MRL) conducted a multiyear assessment of mercury across the... -
Federal
Wetland water-management may influence mercury bioaccumulation in songbirds and ducks at a mercury hotspot data release
Department of the Interior —
We examined the role of wetland water-management on mercury bioaccumulation in songbirds and ducks. This database contains records of mercury concentrations in blood...
83 datasets found