Search datasets
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This data set is comprised of results associated with a multi-stage experimental study to determine the effects of paralytic shellfish toxin ingestion by Common Murres (Uria aalge) conducted in...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 08:57 PM -
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: September 10, 2026 at 09:28 PM -
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: September 10, 2026 at 10:01 PM -
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: September 10, 2026 at 10:21 PM -
Habitat biogeochemistry was assessed by measuring 31 variables in sediments, porewater, and surface waters related to mercury content, organic matter, sediment characteristics, and microbial rates...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 09:25 PM -
This data set contains dose-response data for perchlorate exposure in multiple species. These data were assembled from peer-reviewed studies. Species included in this dataset are: rats (Rattus...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 06:53 PM -
The ECOTOXicology Knowledgebase (ECOTOX) has been in development since the early 1980s and is maintained by the U.S. EPA Great Lakes Toxicology and Ecology Division. ECOTOX includes curated data...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 06:58 PM -
A number of brominated flame retardants (BFRs) have been reported to interfere with the thyroid signaling pathway and cause oxidative stress in birds, yet the underlying shifts in gene expression...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 09:37 PM -
Yuma Ridgway’s rail (Rallus obsoletus yumanensis, hereafter, rail) are an endangered species for which patches of emergent marsh within the Salton Sea watershed comprise a substantial portion of...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 08:47 PM -
This data set includes capture location, date, sex, and results of molecular gene transcription analysis for sea otters (Enhydra lutris) sampled in western Prince William Sound (WPWS), Alaska and...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 08:22 PM -
The present study highlights the utility of bioeffects-based monitoring in conjunction with analytical chemical measurements of surface waters on the Colorado River associated with a historically...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 06:57 PM -
Comma-separated values (.csv) file containing data related to mercury in smallmouth bass (Micropterus dolomieu) collected from the Snake River, USA.
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 10:46 PM -
Research support for various organizations in NOAA (Northwest Regional Office (NWR), HQ Office of Protected Resources, National Ocean Service (NOS) Coastal Services Center) for copper related to...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 04:01 AM -
The data release includes data from four studies: (1) toxicity of a permitted effluent, which entered the Deep Fork River (DFR), Oklahoma, USA, to a unionid mussel (Lampsilis siliquoidea) and to...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:52 PM -
This dataset includes field hydrologic measurements and laboratory analyses of surface and pore waters, sediments, benthic plants/biofilms, and biota along the Middle Snake River upgradient of the...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:39 PM -
The objective of this study was to evaluate the chronic toxicity of potassium (tested as KCl) to a commonly tested unionid mussel (fatmucket, Lampsilis siliquoidea) at five water hardness levels...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:52 PM -
This data set includes survival data for arctic grayling exposed to various concentrations of 6PPD-quinone (6PPDQ) for up to 96 hours. Concurrently collected analytical water chemistry and general...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:46 PM -
Nitrapyrin, a nitrification inhibitor, and three co-applied herbicides (acetochlor, atrazine, and metolachlor) were measured in soil samples from an agricultural field in Iowa. Samples were...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:18 PM -
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: September 10, 2026 at 09:30 PM -
Long-running science support for the agency (Office of Protected Resources, others) related to the use of modern pesticides throughout the United States as a limiting factor for endangered species...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 04:01 AM
