15N signatures do not reflect body condition in arctic ground squirrels

• Main Authors: Ben-David, M., McColl, C., Boonstra, Rudy, Karels, T.J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: National Research Council Canada 1999
• Subjects: Arctic; Canada; Kluane Lake; Yukon
• Online Access: http://hdl.handle.net/1807/495

Studies using stable-isotope analysis documented an enrichment in d15N values in nutritionally stressed animals. Investigators suggested that changes in d15N values measured in urine, hair, and blood may be a good indicator of lean-tissue losses. During our investigations into the effects of populat...