• Organization: Department of the Interior
• Updated: 2022-09-06T00:00:00Z

All samples were collected within a 9km stretch of the Santa Fe River in northern Florida, USA. In 2019 and 2020 we sampled claw tissue from Macrochelys suwanniensis, Chelydra serpentina, and...

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• Organization: Department of the Interior
• Updated: 2024-06-11T00:00:00Z

This dataset includes stable nitrogen-15 and carbon-13 isotope analysis data derived from freshwater aquatic and semi-aquatic primary producers, invertebrates, and fishes collected from five...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

Radiocarbon dating of silicified wood was performed at the U.S. Geological Survey’s Radiocarbon Laboratory in Denver, Colorado. All samples were chemically treated using the standard...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2011-06-28

Fish chemistry data (d13C, d15N, C:N, lipid content) published in Rapid Commun. Mass Spectrom. 2015, 29, 2069–2077 DOI: 10.1002/rcm.7367. This dataset is associated with the following...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2014-04-21T00:00:00.000+00:00

This dataset includes chemical, discrete sample, physical and profile data collected from RYOFU MARU in the Philippine Sea from 1995-11-15 to 1995-11-30 and retrieved during cruise...

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• Organization: Department of the Interior
• Updated: 2025-05-20T00:00:00Z

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 subsequently used in a stable...

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• Organization: National Institute of Standards and Technology
• Updated: 2021-02-17 00:00:00

Data set from peer-reviewed publication: A. J. Fleisher et al., Absolute 13C/12C Isotope Amount Ratio for Vienna Pee Dee Belemnite from Infrared Absorption Spectroscopy, Nature Physics....

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• Organization: Department of the Interior
• Updated: 2020-08-25T00:00:00Z

Macroinvertebrate samples were collected from streams tributary to Honnedaga Lake and from the Middle Branch of the Black River during 2012-2016 and analyzed for methylmercury concentrations and...

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• Organization: Department of the Interior
• Updated: 2024-03-19T00:00:00Z

Coastal wetlands in Tampa Bay, Florida, are important ecosystems that deliver a variety of ecosystem services. Key to ecosystem functioning is wetland response to sea-level rise through...

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• Organization: Department of the Interior
• Updated: 2021-09-20T00:00:00Z

Sediment cores were collected in Great Dismal Swamp National Wildlife Refuge in November, 2017 to advance understanding of climate- and land-management driven changes in vegetation, hydrology, and...

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• Organization: Department of the Interior
• Updated: 2023-10-30T00:00:00Z

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 turtle. Here we present the...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

These data were collected by BOREAS TE-05 to provide detailed information within the canopy during times when TE-05 sampled canopy CO2 for carbon and oxygen isotope analysis. These measurements...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-09-16T00:00:00.000+00:00

This dataset contains stable carbon isotope composition of DIC measured on seawater samples from the SE Indian/Southern Ocean as part of the CROCCA-2S cruise. Additional O2, temperature, salinity,...

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• Organization: Department of the Interior
• Updated: 2023-11-27T00:00:00Z

This data release contains data associated with the journal article, “Comparison of δ13C Analyses on Individual Foraminifer (Orbulina universa) Shells by Secondary Ion Mass Spectrometry and...

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• Organization: Department of the Interior
• Updated: 2020-12-07T00:00:00Z

Sulphur Banks, near the summit of Kīlauea Volcano on the Island of Hawai`i, is a thermal area where volcanic gases and steam are discharged. A research well drilled in the 1920s at Sulphur Banks...

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• Organization: Department of the Interior
• Updated: 2020-08-30T00:00:00Z

This study was initiated to provide baseline data and to determine the utility of stable isotope analysis to evaluate the foraging strategies of an opportunistic reptile predator. Stable isotope...

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• Organization: Department of the Interior
• Updated: 2020-08-17T00:00:00Z

Following an explosion at the Deepwater Horizon drilling rig on April 20, 2010, MC252 an estimated 3.19 million barrels of oil leaked into the Northern Gulf of Mexico over 87 days. The endangered...

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• Organization: Department of the Interior
• Updated: 2020-08-17T00:00:00Z

Following an explosion at the Deepwater Horizon drilling rig on April 20, 2010, MC252 an estimated 3.19 million barrels of oil leaked into the Northern Gulf of Mexico over 87 days. The endangered...

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• Organization: Department of the Interior
• Updated: 2024-11-13T00:00:00Z

Catfishes are opportunistic feeders that are among the world's worst invasive species. Flathead catfish *Pylodictus olivaris* -- a large predatory catfish -- were first detected in the Susquehanna...

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• Organization: Department of the Interior
• Updated: 2023-12-04T00:00:00Z

We used stable isotope analysis of nitrogen and carbon turtle epidermal samples to describe the trophic niche of the sampled sea turtle population by portraying δC as a habitat structure variable...

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