Energetic relationships between field and laboratory woodchucks (Marmota monax) along a latitudinal gradient

References

• Armitage , K. B. , Woods , B. C. and Salsbury , C. M. 2000 . “ Energetics of hibernation in woodchucks (Marmota monax) ” . In Life in the Cold: Eleventh International Symposium , Edited by: Heldmaier , G. and Klingenspor , M. 73 – 80 . Berlin, , Germany : Springer-Verlag .
   Google Scholar
• Arnold , W. 1993 . “ Energetics of social hibernation ” . In Life in the Cold: ecological, physiological, and molecular mechanisms , Edited by: Carey , C. 65 – 80 . Boulder, Colorado : Westview Press .
   Google Scholar
• Arnold , W. and Dittami , J. 1995 . Reproductive suppression in male alpine marmots . Animal Behavior , 53 : 53 – 66 .
   Google Scholar
• Arnold , W. , Heldmaier , G. , Ortmann , S. , Pohl , H. , Ruf , T. and Steinlechner , S. 1991 . Ambient temperatures in hibernacula and their energetic consequences for alpine marmots (Marmota marmota) . Journal of Thermal Biology , 16 : 223 – 226 .
   Web of Science ®Google Scholar
• Ashton , K. G. , de Queiroz , M. C. and de Queiroz , A. 2000 . Is Bergmann's Rule valid for mammals? . The American Naturalist , 156 : 390 – 415 .
   PubMed Web of Science ®Google Scholar
• Barash , D. P. 1989 . Marmots: social behavior and ecology , Stanford, California : Stanford University Press .
   Google Scholar
• Boyer , B. B. and Barnes , B. M. 1999 . Molecular and metabolic aspects of mammalian hibernation . Bioscience , 49 : 713 – 724 .
   Google Scholar
• Buck , C. L. and Barnes , B. M. 1999a . Annual cycle of body composition and hibernation in free–living arctic ground squirrels . Journal of Mammalogy , 80 : 430 – 442 .
   Web of Science ®Google Scholar
• Buck , C. L. and Barnes , B. M. 1999b . Temperatures of hibernacula and changes in body composition of arctic ground squirrels over winter . Journal of Mammalogy , 80 : 1264 – 1276 .
   Google Scholar
• Buck , C. L. and Barnes , B. M. 2000 . Effects of ambient temperature on metabolic rate, respiratory quotient, and torpor in an arctic hibernator . American Journal of Physiology — Regulatory, Integrative and Comparative Physiology , 279 : 255 – 262 .
   PubMed Web of Science ®Google Scholar
• Concannon , P. W. , Fullam , L. A. , Baldwin , B. H. and Tennant , B. C. 1989 . Effects of induction versus prevention of hibernation on reproduction in captive male and female woodchucks (Marmota monax) . Biology of Reproduction , 41 : 255 – 261 .
   Google Scholar
• Daan , S. and Aschoff , J. 1975 . Circadian rhythms of locomotor activity in captive birds and mammals: Their variations with season and latitude . Oecologia , 18 : 269 – 316 .
   PubMed Web of Science ®Google Scholar
• Daan , S. , Masman , S. D. , Strijkstra , A. M. and Kenagy , G. J. 1991 . Daily energy turnover during reproduction in birds and mammals: Its relationship to basal metabolic rate , 1976 – 1987 . Christchurch : New Zealand Ornithological Congress Trust Board . Journal of Ornithology Symposium IV:
   Google Scholar
• Dark , J. , Johnston , P. G. , Healy , M. and Zucker , I. 1983 . Latitude of origin influences photoperiodic control of reproduction of deer mice (Peromyscus maniculatus) . Biology of Reproduction , 28 : 213 – 220 .
   Google Scholar
• Davis , D. E. 1976 . Hibernation and circannual rhythms of food consumption in marmots and ground squirrels . Quarterly Review of Biology , 51 : 477 – 514 .
   PubMed Web of Science ®Google Scholar
• Dibb , K. M. , Hagarty , C. L. , Loudon , A. S. I. and Trafford , A. W. 2004 . Photoperiod-dependent modulation of cardiac excitation contraction coupling in the Siberian hamster . American Journal of Physiology — Regulatory, Integrative and Comparative Physiology , 288 : 607 – 614 .
   Google Scholar
• Ferron , J. 1996 . How do woodchucks (Marmota monax) cope with harsh winter conditions? . Journal of Mammalogy , 77 : 412 – 416 .
   Google Scholar
• Florant , G. L. 1998 . Lipid metabolism in hibernators: the importance of essential fatty acids . American Zoologist , 38 : 331 – 340 .
   Google Scholar
• Florant , G. L. and Heller , H. C. 1977 . CNS regulation of body temperature in euthermic and hibernating marmots (Marmota flaviventris) . American Journal of Physiology — Regulatory, Integrative and Comparative Physiology , 232 : 203 – 208 .
   PubMed Web of Science ®Google Scholar
• Florant , G. L. , Hill , V. and Ogilvie , M. D. 2000 . “ Circadian rhythms of body temperature in laboratory and field marmots (Marmota flaviventris) ” . In Life in the cold , Edited by: Heldmaier , G. and Klingenspor , M. 72 – 79 . Berlin, , Germany : Springer-Verlag . Eleventh International Symposium
   Google Scholar
• Florant , G. L. and Tamarkin , L. 1984 . Plasma melatonin rhythms in euthermic marmots (Marmota flaviventris) . Biology of Reproduction , 30 : 332 – 337 .
   Google Scholar
• Frank , C. L. 1992 . The influence of dietary fatty acids on hibernation by golden-mantled ground squirrels (Spermophilus lateralis) . Physiological Zoology , 65 : 906 – 920 .
   Google Scholar
• French , A. R. 1982 . Intraspecific differences in the pattern of hibernation in the ground squirrel Spermophilus beldingi . Comparative Biochemistry and Physiology (Part B: Biochemistry & Molecular Biology) , 148 : 83 – 91 .
   Google Scholar
• French , A. R. 1985 . Allometries of the durations of torpid and euthermic intervals during mammalian hibernation: A test of the theory of metabolic control of the timing of changes in body temperature . Comparative Biochemistry and Physiology (Part B: Biochemistry & Molecular Biology) , 156 : 13 – 19 .
   Google Scholar
• French , A. R. 1988 . The patterns of mammalian hibernation . American Scientist , 76 : 569 – 575 .
   Google Scholar
• French , A. R. 1990 . Age-class differences in the pattern of hibernation in yellow-bellied marmots, Marmota flaviventris . Oecologia , 82 : 93 – 96 .
   Google Scholar
• French , A. R. 1992 . “ Mammalian dormancy ” . In Mammalian energetics , Edited by: Tomasi , T. E. and Horton , T. H. 105 – 121 . Ithaca, NY : Comstock .
   Google Scholar
• French , A. R. 2000 . Interdependency of stored food and changes in body temperature during hibernation of the eastern chipmunk, Tamias striatus . Journal of Mammalogy , 81 : 979 – 985 .
   Google Scholar
• Geiser , F. 1988 . Reduction of metabolism during hibernation and daily torpor in mammals and birds: temperature effect or physiological inhibition? . Comparative Biochemistry and Physiology (Part B: Biochemistry & Molecular Biology) , 158 : 25 – 37 .
   Google Scholar
• Geiser , F. and Kenagy , G. J. 1987 . Polyunsaturated lipid diet lengthens torpor and reduces body temperature in a hibernator . American Journal of Physiology — Regulatory, Integrative and Comparative Physiology , 252 : 897 – 901 .
   PubMed Web of Science ®Google Scholar
• Geiser , F. and Kenagy , G. J. 1988 . Torpor duration in relation to temperature and metabolism in hibernation ground squirrels . Physiological Zoology , 61 : 442 – 449 .
   Google Scholar
• Grizzel , R. A. 1955 . A study of the southern woodchuck, Marmota monax monax . The American Midland Naturalist , 53 : 257 – 293 .
   Google Scholar
• Hammond , K. A. and Diamond , J. 1997 . Maximal sustained energy budgets in humans and animals . Nature , 386 : 457 – 462 .
   PubMed Web of Science ®Google Scholar
• Harlow , H. J. and Menkens , G. E. Jr . 1986 . A comparison of hibernation in the black–tailed prairie dog, white-tailed prairie dog, and Wyoming ground squirrel . Canadian Journal of Zoology — Revue Canadienne de Zoologie , 64 : 793 – 796 .
   Web of Science ®Google Scholar
• Heldmaier , G. S. , Ortmann , S. and Kortner , G. 1993 . “ Energy requirements of hibernating alpine marmots ” . In Life in the Cold: ecological, physiological, and molecular mechanisms , Edited by: Carey , C. 175 – 183 . Boulder, Colorado : Westview Press .
   Google Scholar
• Heldmaier , G. S. and Ruf , T. 1992 . Body temperature and metabolic rate during natural hypothermia in endotherms . Comparative Biochemistry and Physiology (Part B: Biochemistry & Molecular Biology) , 162 : 696 – 706 .
   Google Scholar
• Heller , H. C. , Colliver , G. W. and An , P. 1974 . CNS regulation of body-temperature in euthermic hibernators . American Journal of Physiology , 227 : 576 – 582 .
   Google Scholar
• Hittel , D. and Storey , K. B. 2001 . Differential expression of adipose- and heart-type fatty acid binding proteins in hibernating ground squirrels . International Journal of Biochemistry, Biophysics and Molecular Biology , 1522 : 238 – 243 .
   Google Scholar
• Humphries , M. M. , Thomas , D. W. and Kramer , D. L. 2003 . The role of energy availability in mammalian hibernation: a cost-benefit approach . Physiological and Biochemical Zoology , 76 : 165 – 179 .
   PubMed Web of Science ®Google Scholar
• Jensen , A. J. , Forseth , T. and Johnsen , B. O. 2000 . Latitudinal variation in growth of young brown trout Salmo trutta . Journal of Animal Ecology , 69 : 1010 – 1020 .
   Web of Science ®Google Scholar
• Kayser , C. 1961 . The physiology of natural hibernation , 325 New York : Pergamon Press .
   Google Scholar
• Lee , D. S. and Funderburg , J. B. 1982 . “ Marmots ” . In Wild Mammals of North America: Biology, management and economics , Edited by: Chapman , J. A. and Feldhamer , G. A. 176 – 191 . Baltimore : Johns Hopkins University Press .
   Google Scholar
• Lyman , C. P. 1958 . Oxygen consumption, body temperature and heart rate of woodchucks entering hibernation . American Journal of Physiology , 194 : 83 – 91 .
   Google Scholar
• Lyman , C. P. , Willis , J. S. , Malan , A. and Wang , L. C. H. 1982 . Hibernation and torpor in mammals and birds , New York : Academic Press .
   Google Scholar
• Michener , G. R. 1977 . Effect of climatic conditions on the annual activity and hibernation cycle of Richardson's ground squirrels and Columbian ground squirrels . Canadian Journal of Zoology — Revue Canadienne de Zoologie , 55 : 693 – 703 .
   Web of Science ®Google Scholar
• Moore , I. T. , Perfito , N. , Wada , H. , Sperry , T. S. and Wingfield , J. C. 2002 . Latitudinal variation in plasma testosterone levels in birds of the genus Zonotrichia . General and Comparative Endocrinology , 129 : 13 – 19 .
   Google Scholar
• Mrosovsky , N. and Sherry , D. F. 1980 . Animal anorexias . Science , 207 : 837 – 842 .
   PubMed Web of Science ®Google Scholar
• Ortmann , S. and Heldmaier , G. 2000 . Regulation of body temperature and energy requirements of hibernating Alpine marmots (Marmota marmota) . American Journal of Physiology — Regulatory, Integrative and Comparative Physiology , 278 : 698 – 704 .
   PubMed Web of Science ®Google Scholar
• Pivorun , E. B. 1976 . A biotelemetry study of the thermoregulatory patterns of Tamias striatus and Eutamias minimus during hibernation . Comparative Biochemistry and Physiology (Part A: Molecular & Integrative Physiology) , 53 : 265 – 271 .
   Google Scholar
• Racey , P. A. and Entwistle , A. C. 2000 . “ Life history and reproductive strategies of bats ” . In Reproductive biology of bats , Edited by: Crichton , E. G. and Krutzsch , P. H. 364 – 401 . San Diego : Academic Press .
   Google Scholar
• Ruben , J. 1996 . “ Evolution of endothermy in mammals, birds and their ancestors ” . In Animals and temperature , Edited by: Johnston , I. A. and Bennett , A. F. 347 – 376 . Cambridge : Cambridge University Press .
   Google Scholar
• Song , X. , Kortner , G. and Geiser , F. 1997 . Thermal relations of metabolic rate reduction in a hibernating marsupial . American Journal of Physiology — Regulatory, Integrative and Comparative Physiology , 273 : 97 – 104 .
   Google Scholar
• Speakman , J. R. 2000 . The cost of living: field metabolic rates of small mammals . Advances in Ecological Research , 30 : 177 – 297 .
   Web of Science ®Google Scholar
• Thomas , D. W. and Geiser , F. 1997 . Periodic arousals in hibernation mammals: is evaporative water loss involved? . Functional Ecology , 11 : 585 – 591 .
   Web of Science ®Google Scholar
• Thorp , C. R. , Ram , P. K. and Florant , G. L. 1994 . Diet alters metabolic rate in the yellowbellied marmot (Marmota flaviventris) during hibernation . Physiological Zoology , 67 : 1213 – 1229 .
   Google Scholar
• Tucker , V. A. 1965 . Oxygen consumption, thermal conductance, and torpor in the California pocket mouse, Perognathus californicus . Journal of Cellular and Comparative Physiology , 65 : 393 – 404 .
   Google Scholar
• Wang , L. C. 1972 . Circadian body temperature of Richardson's ground squirrel under field and laboratory conditions: a comparative radiotelemetric study . Comparative Biochemistry and Physiology (Part B: Biochemistry & Molecular Biology) , 43 : 503 – 510 .
   Google Scholar
• Wang , L. C. 1973 . Radiotelemetric study of hibernation under natural laboratory conditions . American Journal of Physiology , 224 : 673 – 677 .
   Google Scholar
• Wang , L. C. 1978 . “ Energetic and field aspects of mammalian torpor: the Richardson's ground squirrel ” . In Strategies in the cold: natural torpidity and thermogenesis , Edited by: Wang , L. C. H. and Hudson , J. W. 109 – 145 . New York : Academic Press .
   Google Scholar
• Wang , L. C. 1979 . Time patterns and metabolic rates of natural torpor in the Richardson's ground squirrel . Canadian Journal of Zoology — Revue Canadienne de Zoologie , 57 : 149 – 155 .
   Google Scholar
• Ward , J. M. and Armitage , K. B. 1981 . Circannual rhythms of food consumption, body mass, and metabolism in yellow-bellied marmots . Comparative Biochemistry and Physiology (Part A: Molecular & Integrative Physiology) , 69 : 621 – 626 .
   Web of Science ®Google Scholar
• Yamahira , K. and Conover , D. O. 2002 . Intra–vs. interspecific latitudinal variation in growth: adaptation to temperature or seasonality? . Ecology , 5 : 1252 – 1262 .
   Google Scholar
• Zervanos , S. M. Timing of hibernation immergence and emergence in woodchucks (Marmota monax) . Adaptive strategies and diversity in marmots. Proceedings of the 4th International Conference on the Genus Marmota . Edited by: Ramousse , R. pp. 157 – 164 . Montreux, , Switzerland : International Network on Marmots .
   Google Scholar
• Zervanos , S. M. and Salsbury , C. M. 2003 . Seasonal body temperature fluctuations and energetic strategies in free-ranging eastern woodchucks (Marmota monax) . Journal of Mammalogy , 84 : 299 – 310 .
   Web of Science ®Google Scholar