Search datasets
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Comma-separated values (.csv) file containing data related to mercury and biogeochemical parameters in surface water and aquatic sediment collected from U.S. National Parks in 2014-2015.
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 01, 2026 at 06:09 AM -
Survival and size of mayflies at each life stage, as well as MeHg concentrations in diatoms and mayflies exposed to low and high MeHg concentrations and a range of selenomethione (SeMet) concentrations.
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 04:54 AM -
This dataset includes laboratory analyses of surface water samples and sediment trap material collected from (1) locations upstream, downstream, and within the Hells Canyon Complex (Idaho, Oregon)...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 05:30 AM -
Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as biosentinels through a...
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This data release includes sampling location data; field-collected stream attribute data; laboratory-analyzed chemistry concentrations (total mercury, methyl mercury) and isotopic composition...
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Fish collected for taxonomic and systematic purposes are often preserved and then archived in museum collections. Preserved fish are commonly first fixed in a formalin solution and then...
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Sediment samples were collected from mercury-contaminated streams and lakes in Texas, Virginia, and Tennessee and were analyzed for total carbon (TC) and total nitrogen (TN). A portion of the...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 01, 2026 at 05:26 AM -
This dataset describes biomass and methylmercury concentrations in zooplankton, other invertebrates, fish, and coarse and fine detritus samples collected at the outflow locations of Brownlee and...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 01, 2026 at 05:50 AM -
Samples were collected from Clear Lake, California from 2019-2022 by the U.S. Geological Survey (USGS) California Water Science Center, the USGS Forest and Rangeland Ecosystem Science Center...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 05:14 AM -
Comma-separated values (.csv) file containing data related to bat sampling from southwestern U.S. National Parks in 2023. Data file contains mercury concentrations in bat tissues and blood.
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 05:37 AM -
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 due to the historic mining of...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 03:07 AM -
This dataset describes mercury (Hg) stable isotope values in fish dorsal muscle from different freshwater environments across the globe. Fish were collected at numerous field sites in North...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 04:33 AM -
Mercury is a globally distributed pollutant that threatens human and ecosystem health. Even protected areas, such as national parks, are subjected to mercury contamination because it is delivered...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 04:32 AM -
The "MasterDB-csv-final2" dataset includes 548 laboratory measurements of sediment total mercury (STHg, nanograms per gram of soil, dry), bulk density (BD, grams per cm3 of soil, dry), percent of...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 03:39 AM -
Heavy metal contamination (n=17 metals) of feather and tissue samples from live and deceased Anna's hummingbirds (Calypte anna) was evaluated. Feathers taken from live birds are low in sample...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:48 AM -
This dataset details mercury (Hg) stable isotope values in dragonflies and fish tissues collected across U.S. National Parks. Dragonfly samples were collected as part of the Dragonfly Mercury...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:21 AM -
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other federal lands collected as part of...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:56 AM -
These metadata provide data used to examine tree swallow incubation behavior in relation to egg mercury concentration and maternal blood mercury concentration. These data were collected from tree...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:42 AM -
Note: This data release has been superseded by version 3.0, available here: https://doi.org/10.5066/P9Q2YP9K. The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:22 AM -
This dataset includes field and laboratory measurements of surface waters, pore waters, sediment, and fish from Water Conservation Areas and adjacent canals of the Florida Everglades (USA). Water,...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:07 AM
