Hibernation can also cause high δ15N values in cave bears: A response to Richards et al.

Proceedings of the National Academy of Sciences of the United States of America

Volumn 105, Issue 11, 2008, Pages

  D'Anglade, Aurora Grandal ^a   Mosquera, Daniel Fernández ^a  

^a UNIVERSITY OF A CORUÑA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

COLLAGEN; NITROGEN;

BEAR; BONE METABOLISM; BONE TISSUE; COLD CLIMATE; FOSSIL; HIBERNATION; LETTER; OMNIVORE; PHYSIOLOGY; PRIORITY JOURNAL; ANIMAL; NOTE;

URSUS SPELAEUS;

ANIMALS; HIBERNATION; NITROGEN ISOTOPES; URSIDAE;

EID: 41949095155     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.0800915105     Document Type: Letter

References (6)

1. Richards MP, et al. (2008) Isotopic evidence for omnivory among European cave bears: Late Pleistocene Ursus spelaeus from the Peçstera cu Oase, Romania. Proc Natl Acad Sci USA 105:600-604.
2. 15N) from the cave bear (Ursus spelaeus): A new approach to its palaeoenvironment and dormancy. Proc R Soc Biol Sci B 268:1159-1164.
3. Barboza PS, Farley SD, Robbins CT (1997) Whole-body urea cycling and protein turnover during hyperphagia and dormancy in growing bears (U. americanus and U. arctos). Can J Zool 75:2129-2136.
4. McGee ME, et al. (2008) Decreased bone turnover with balanced resorption and formation prevent cortical bone loss during disuse (hibernation) in grizzly bears (Ursus arctos horribilis). Bone 42:396-404.
5. Lennox AL, Goodship AE (2008) Polar bears (Ursus maritimus), the most evolutionary advanced hibernators, avoid significant bone loss during hibernation. Comp Biochem Physiol A, 10.1016/j.cbpa.2007.11.012.
6. Lohuis TD, Harlow HJ, Beck TDI (2007) Hibernating black bears (Ursus americanus) experience skeletal muscle protein balance during winter anorexia. Comp Biochem Physiol B 147:20-28.