Use of Sulfur and Nitrogen Stable Isotopes to Determine the Importance of Whitebark Pine Nuts to Yellowstone Grizzly Bears
Entry ID: NRMSC_sulfurnitrogenstableisotopes

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Summary
Abstract: Whitebark pine (Pinus albicaulis) is a masting species that produces relatively
large, fat- and protein-rich nuts that are consumed by grizzly bears (Ursus
arctos horribilis). Trees produce abundant nut crops in some years and poor
crops in other years. Grizzly bear survivial in the Greater Yellowstone
Ecosystem is strongly linked to variation in pine-nut availability. Because
whitebark pine ... View entire text
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Description: Metadata in Biological Data Profile format.
Geographic Coverage
Spatial coordinates   
  N: 49.0   S: 42.0   E: -105.0   W: -118.0

Data Set Citation
Dataset Originator/Creator: Laura A. Felicetti, Charles C. Schwartz, Robert O. Rye, Mark A. Haroldson, Kerry A. Gunther, Donald L. Phillips and Charles T. Robbins
Dataset Title: Use of Sulfur and Nitrogen Stable Isotopes to Determine the Importance of Whitebark Pine Nuts to Yellowstone Grizzly Bears
Dataset Release Place: Bozeman, Montana
Dataset Publisher: U.S. Geological Survey, Northern Rocky Mountain Science Center
Temporal Coverage
Start Date: 1994-01-01
Stop Date: 2001-12-31
ISO Topic Category
Quality Grizzly bear samples were collected between 1994 and 2001.
Access Constraints None
Use Constraints None
Data Set Progress
COMPLETE
Data Center
Northern Rocky Mountain Science Center, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL: http://www.nrmsc.usgs.gov/

Data Center Personnel
Name: CHARLES SCHWARTZ
Phone: 406 994-5043
Fax: 406 994-6416
Contact Address:
U.S. Geological Survey
City: Bozeman
Province or State: Montana
Postal Code: 59717
Personnel
Role: TECHNICAL CONTACT
Phone: 406-994-5043
Fax: 406-994-6416
Email: chuck_schwartz at usgs.gov
City: Bozeman
Province or State: Montana
Postal Code: 59717
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2006-12-29
Last DIF Revision Date: 2012-12-12
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