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

Fish muscle tissue was analyzed for stable carbon and nitrogen isotope values (delta 13C and delta 15N) for two filter-feeding fishes native to China, silver carp (Hypophthalmichthys molitrix) and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-04-02T00:00:00.000+00:00

This dataset contains bulk tissue carbon (delta-13C) and nitrogen (delta-15N) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and marsh vertebrates...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-22T00:00:00.000+00:00

This dataset contains bulk tissue carbon (delta-13C), nitrogen (delta-15N), and sulfur (delta-34S) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-03-21T00:00:00.000+00:00

A series of Natural Resource Damage Assessment (NRDA) cruises were conducted in 2010 and 2011 to evaluate the distribution and densities of ichthyoplankton and other zooplankton in Gulf of Mexico...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-07-22T00:00:00.000+00:00

We analyzed sequential δ13C and δ15N values along single whiskers sampled from unrelated northern fur seal pups and post-parturient females at San Miguel Island, California. The longest dorsal...

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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: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This dataset includes stable carbon and nitrogen isotope values for the tissues and parasites of California sea lions and ice seals from California and Alaska coastal waters necropsied and...

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• Organization: Department of the Interior
• Updated: 2023-05-18T00:00:00Z

These data represent stem growth, needle length growth, and carbon stable isotope ratios from whitebark pine at 27 sites in the Sierra Nevada of California. Values for stem growth were derived...

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• Organization: Department of the Interior
• Updated: 2021-09-21T00:00:00Z

Stable carbon and nitrogen isotope data from green turtles sampled at Dry Tortugas National Park, FL. Dataset includes: date collected, length, tissue type, percent of isotopes, calculated values...

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• Organization: Department of the Interior
• Updated: 2022-07-14T00:00:00Z

Diatom taxonomy, carbon and nitrogen stable isotope values, and algal pigment data from lake sediment layers dating back to 1600 Common Era (CE) for Sky Pond and The Loch in Rocky Mountain National Park.

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• Organization: Department of the Interior
• Updated: 2022-07-14T00:00:00Z

This dataset includes stable carbon and nitrogen isotope values for the inner tail retrices of three subspecies of barn swallow (Hirundo rustica rustica, H. r. tytleri, and H. r. gutturalis). ...

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• Organization: Department of the Interior
• Updated: 2023-11-16T00:00:00Z

1. This stable isotope dataset includes the carbon and nitrogen values for loggerhead, Kemp's ridley, green sea turtles and their prey items in St. Joseph Bay, FL sampled between 2011 and 2021. 2....

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

Blood and feathers were collected from Hawaii forest birds (Apapane and Hawaii Amakihi) in high elevation forest to assess evidence for altitudinal movement. Feathers, red blood cells and plasma...

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• Organization: Department of the Interior
• Updated: 2023-06-09T00:00:00Z

This dataset contains carbon and nitrogen stable isotope values, percent carbon and percent nitrogen, algal pigment data, and diatom taxonomy from lake sediment layers dating back to 1749 Common...

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• Organization: Department of the Interior
• Updated: 2022-07-18T00:00:00Z

Re-vegetation of land impacted by mining can be difficult due to physical and geochemical characteristics of mining wastes that restrict plant growth. We characterized the following mining wastes...

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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: 2020-09-04T00:00:00Z

An international project developed, quality-tested, and measured isotope−delta values of 10 new food matrix reference materials (RMs) for hydrogen, carbon, nitrogen, oxygen, and sulfur stable...

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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: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-09-09T00:00:00.000+00:00

This dataset contains physical, chemical, and biological data collected during research cruises for the Chukchi Sea Offshore Monitoring in Drilling Area (Chemical and Benthos) (COMIDA CAB)...

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