Use of sulfur and nitrogen stable isotopes to determine the importance of whitebark pine nuts to Yellowstone grizzly bears
Felicetti, Laura A, Schwartz, Charles C, Rye, Robert O, Haroldson, Mark A, Gunther, Kerry A, Phillips, Donald L, Robbins, Charles TVolume:
81
Journal:
Canadian Journal of Zoology
DOI:
10.1139/z03-054
Date:
May, 2003
File:
PDF, 258 KB
2003