Data provided by National Oceanic and Atmospheric Administration
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 mystacial vibrissa was plucked from five adult females (4-18 years old) and five pups (~3 months old) during September 2012. Standard length (cm), weight (kg), age, and sex were measured/determined for each individual. We divided each vibrissa into 1 mm segments starting at the proximal end and progressing longitudinally toward the distal end. Segments were weighed (µg), packaged, and sent to a laboratory with a mass spectrometer for stable isotope analyses. Resulting data were analyzed to address the purpose of the study.
About this Dataset
Updated: 2024-02-22
Metadata Last Updated:
2025-11-19T16:20:13.473Z
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| Title | Stable carbon and nitrogen isotope values in sequential segments of vibrissae of unrelated northern fur seal pups and adult females at San Miguel Island, California collected during September 2012 (NCEI Accession 0239459) |
|---|---|
| Description | 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 mystacial vibrissa was plucked from five adult females (4-18 years old) and five pups (~3 months old) during September 2012. Standard length (cm), weight (kg), age, and sex were measured/determined for each individual. We divided each vibrissa into 1 mm segments starting at the proximal end and progressing longitudinally toward the distal end. Segments were weighed (µg), packaged, and sent to a laboratory with a mass spectrometer for stable isotope analyses. Resulting data were analyzed to address the purpose of the study. |
| Modified | 2025-11-19T16:20:13.473Z |
| Publisher Name | N/A |
| Contact | N/A |
| Keywords | 0239459 , DELTA CARBON-13 , DELTA CARBON-14 , SPECIES IDENTIFICATION - ORGANISM LENGTH , SPECIES IDENTIFICATION - TOTAL WEIGHT , mass spectrometer , scale , in situ , survey - biological , NMFS/AFSC Marine Mammal Laboratory , University of California San Diego , NMFS/AFSC Marine Mammal Laboratory , Channel Islands National Marine Sanctuary , North Pacific Ocean , oceanography , DOC/NOAA/NMFS/AFSC/MML > Marine Mammal Laboratory, Alaska Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce , EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY , STANDARD LENGTH , WEIGHT , δ13C , δ15N , LABORATORY ANALYSIS , MASS SPECTROMETERS > MASS SPECTROMETERS , MEASURE TAPE , OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN , California Channel Islands , San Miguel Island , Southern California Bight , KW4L99 , environment , oceans , biota |
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