31 datasets found
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Federal
Mercury Concentrations in Resident Lake Fish Sampled from Lake Clark National Park and Preserve in 2019 and 2020
Department of the Interior —
These data were collected as part of the Southwest Alaska Inventory and Monitoring Network (SWAN) freshwater contaminants protocol. The protocol outlines a framework... -
Federal
Length, Weight, Energy Density, and Isotopic Values of Fish from Rivers in Northwest Alaska, 2015-2019
Department of the Interior —
This dataset contains length, weight, energy density, and isotope values of fish collected in northwest Alaskan rivers during summer and fall 2015-2019. -
Federal
Upper Mississippi River water and bigheaded carp otolith chemistry data
Department of the Interior —
Data set includes water Sr:Ca, Ba:Ca, and δ18O for the Upper Mississippi River and tributaries and otolith Sr:Ca, Ba:Ca, and δ18O data from bigheaded carp collected... -
Federal
Geo-chemical Correction of Carbon-14 in Dissolved Inorganic Carbon used for Groundwater Age Dating in the Glacial Aquifer System, Conterminous United States
Department of the Interior —
Data provided here describe geochemical correction of carbon-14 in dissolved inorganic carbon (DIC) for groundwater age dating. Datasets include major ion chemistry... -
Federal
Geochemical and mineralogical data on core samples from the Lewis Shale in the USGS Cow Creek 1-21 well, eastern Washakie Basin, Wyoming
Department of the Interior —
This data release contains geochemical and mineralogical laboratory results from core samples collected from the USGS Cow Creek 1-21 well. The well was drilled and... -
Federal
Otolith microchemistry of adult bigheaded carp for determining early-life environments in the Upper Mississippi River 2016-2018
Department of the Interior —
Data set includes water Sr:Ca, Ba:Ca, and δ18O for the Mississippi River and tributaries, and otolith Sr:Ca, Ba:Ca, and δ18O data from bigheaded carp (Silver Carp and... -
Federal
Regional patterns in foraging ecology between adult roseate and common terns in the Northwest Atlantic
Department of the Interior —
Co-occurring species with similar resource requirements often partition ecological niches. In the Northwest Atlantic (NWA), endangered roseate terns (Sterna... -
Federal
Food-web dynamics and isotopic niches in deep-sea communities residing in a submarine canyon and on the adjacent open slopes
Department of the Interior —
Examination of food webs and trophic niches provide insight into organisms’ functional ecology, yet few studies have examined the trophodynamics within submarine... -
Federal
Mercury Concentrations in Resident Lake Fish Sampled from Katmai National Park and Preserve in 2021
Department of the Interior —
These data were collected as part of the Southwest Alaska Inventory and Monitoring Network (SWAN) freshwater contaminants protocol. The protocol outlines a framework... -
Federal
Stable Isotopic Data (δ13C and δ2H) for Reference Materials HCG-1, HCG-2, and HCG-3
Department of the Interior —
Stable carbon and hydrogen isotopic data generated by off-line preparation and dual inlet mass spectrometric analysis used the determine the recommended values for... -
Federal
Synthetic Organic Compounds in Biota in Lake Mead National Recreation Area near Las Vegas, Nevada
Department of the Interior —
This dataset presents the results of analysis of aquatic biota tissue samples, collected at 2 sites (Las Vegas Bay and Overton Arm) in 2013 and 2 sites (Las Vegas... -
Federal
Chincoteague Bay surface carbon and nitrogen data from the spring sampling trip of 2014
Department of the Interior —
Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine,... -
Federal
Data for Analysis of Endocrine Disrupting Compounds in Lake Mead National Recreation Area near Las Vegas, Nevada
Department of the Interior —
This data release presents the results of analyses of biota and water samples collected on multiple dates from 2007 to 2014 at 3 locations in Lake Mead National... -
Federal
The Stable Carbon Isotope Dataset of Individual Foraminifer (Orbulina universa) Shells Measured by Secondary Ion Mass Spectrometry and Gas-Source Mass Spectrometry
Department of the Interior —
This data release contains data associated with the journal article, “Comparison of δ13C Analyses on Individual Foraminifer (Orbulina universa) Shells by Secondary... -
Federal
Land surface carbon and nitrogen data from the fall sampling trip of 2014 around Chincoteague Bay
Department of the Interior —
Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine,... -
Federal
Mercury Contamination of Red-legged Kittiwakes in the Western Subarctic Pacific Ocean
Department of the Interior —
This dataset contains mercury concentrations and locations of wintering red-legged kittiwakes in the western subartic Pacific Ocean. -
Federal
Trophic structure of mesopelagic fishes in the Gulf of Mexico revealed by gut content and stable isotope analyses
Department of the Interior —
Mesopelagic fishes represent an important component of the marine food web due to their global distributions, high abundances and ability to transport organic... -
Federal
Pacific Northwest Avian Scavenger Lead and Mercury Dataset, 2012-2016
Department of the Interior —
The dataset includes the bird species, region where sampled, sampling site, capture location, mercury concentration in whole blood, lead concentration in whole blood,... -
Federal
Stable isotope values for Dry Tortugas nesting loggerheads sampled 2013-2018
Department of the Interior —
We used a combination of stable isotope analysis of carbon and nitrogen values in nesting loggerhead sea turtle samples to describe the foraging area used by each... -
Federal
Stable Isotope Data from Tundra Swan (Cygnus columbianus) Feathers, Alaska, 2008 and 2010
Department of the Interior —
These data are in a single table that provides date and location information of Tundra Swans (Cygnus columbianus) that were sampled in Alaska for feathers that were...
31 datasets found