Daily rhythmicity and hibernation in the Anatolian ground squirrel under natural and laboratory conditions

Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology

Volumn 179, Issue 2, 2009, Pages 155-164

  Kart Gür, Mutlu ^a   Refinetti, Roberto ^b   Gür, Hakan ^a  

^a HACETTEPE UNIVERSITY   (Turkey)

^b UNIVERSITY OF SOUTH CAROLINA   (United States)

Author keywords

Body temperature; Circadian rhythm; Hibernation; Spermophilus xanthoprymnus; Torpor

Indexed keywords

ANIMAL; ARTICLE; BODY TEMPERATURE; CIRCADIAN RHYTHM; HIBERNATION; PHYSIOLOGY; SCIURIDAE; TELEMETRY; TURKEY (REPUBLIC);

ANIMALS; BODY TEMPERATURE; CIRCADIAN RHYTHM; HIBERNATION; SCIURIDAE; TELEMETRY; TURKEY;

ANIMALIA; SCIURIDAE; SPERMOPHILUS; SPERMOPHILUS XANTHOPRYMNUS;

EID: 58649105589     PISSN: 01741578     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00360-008-0298-0     Document Type: Article

References (40)

1. RMR Barclay CL Lausen L Hollis 2001 What's hot and what's not: defining torpor in free-ranging birds and mammals Can J Zool 79 1885 1890
2. Barnes BM, Ritter D (1993) Patterns of body temperature change in hibernating Arctic ground squirrels. In: Carey C, Florant GL, Wunder BA, Horwitz B (eds) Life in the cold: Ecological, physiological, and molecular mechanisms. Westview Press, Boulder, Colorado, pp 119-130
3. N Christian F Geiser 2007 To use or not to use torpor? Activity and body temperature as predictors Naturwissenschaften 94 483 487
4. Dunlap JC, Loros JJ, DeCoursey PJ (2004) Chronobiology: biological timekeeping. Sinauer Associates, Sunderland
5. AR French 1982 Intraspecific differences in the pattern of hibernation in the ground squirrel Spermophilus beldingi J Comp Physiol 148 83 91
6. F Geiser 2004 Metabolic rate and body temperature reduction during hibernation and daily torpor Annu Rev Physiol 66 239 274
7. DA Grahn JD Miller VS Houng HC Heller 1994 Persistence of circadian rhythmicity in hibernating ground squirrels Am J Physiol Regul Integr Comp Physiol 266 R1251 R1258
8. I Gündüz M Jaarola C Tez C Yeniyurt PD Polly JB Searle 2007 Multigenic and morphometric differentiation of ground squirrels (Spermophilus, Scuiridae, Rodentia) in Turkey, with a description of a new species Mol Phylogenet Evol 43 916 935
9. Gür H (2007) Morphometric variation in Anatolian ground squirrel (Spermophilus xanthoprymnus) and its relationship to selected environmental variables. PhD thesis. Hacettepe University, Ankara, Turkey
10. H Gür N Barlas 2006 Sex ratio of a population of Anatolian ground squirrels (Spermophilus xanthoprymnus) in Central Anatolia, Turkey Acta Theriol 51 61 67
11. H Gür M Kart Gür 2005 Annual cycle of activity, reproduction, and body mass of Anatolian ground squirrels (Spermophilus xanthoprymnus) in Turkey J Mammal 86 7 14
12. RG Harrison SM Bogdanowicz RS Hoffmann E Yensen PW Sherman 2003 Phylogeny and evolutionary history of the ground squirrels (Rodentia: Marmotinae) J Mamm Evol 10 249 276
13. Hudson JW (1973) Torpidity in mammals. In: Whittow GC (ed) Comparative physiology of thermoregulation. Academic Press, New York, vol 3, pp 97-165
14. RA Hut BM Barnes S Daan 2002 Body temperature patterns before, during, and after semi-natural hibernation in the European ground squirrel J Comp Physiol B 172 47 58
15. Kanji GK (1993) 100 Statistical Tests. Sage, London
16. Karabaǧ T (1953) Ankara dolaylarIndaki tarla sincaplarInIn (Citellus' larIn) biyolojisi ve bunlarla savaş usulleri [The biology of ground squirrels (Citellus) near Ankara with methods for their control]. Ankara Üniversitesi Ziraat Fakültesi YayInlarI, Ankara, Turkey
17. Kart Gür M (2008) Hibernation pattern of Anatolian ground squirrel (Spermophilus xanthoprymnus). PhD thesis, Hacettepe University, Ankara, Turkey
18. Kirk RE (1995) Experimental design: procedures for the behavioral sciences, 3rd edn. Brooks/Cole, Pacific Grove
19. G Körtner F Geiser 2000 The temporal organization of daily torpor and hibernation: circadian and circannual rhythms Chronobiol Int 17 103 128
20. G Körtner X Song F Geiser 1998 Rhythmicity of torpor in a marsupial hibernator, the mountain pygmy-possum (Burramys parvus), under natural and laboratory conditions J Comp Physiol B 168 631 638
21. Koukkari WL, Sothern RB (2006) Introducing biological rhythms. Springer, New York
22. Kryštufek B, Vohralík V (2005) Mammals of Turkey and Cyprus Rodentia I: Sciuridae, Dipodidae, Gliridae. Arvicolinea. Kniznica Annales Majora, Koper
23. JE Larkin P Franken HC Heller 2002 Loss of circadian organization of sleep and wakefulness during hibernation Am J Physiol Regul Integr Comp Physiol 282 R1086 R1095
24. MacDonald DW, Amlaner CJ (1980) A practical guide to radio tracking. In: Amlaner CJ, MacDonald DW (eds) A handbook on biotelemetry and radio tracking. Pergamon Press, Oxford, pp 143-159
25. GR Michener 1992 Sexual differences in over-winter torpor patterns of Richardson's ground squirrels in natural hibernacula Oecologia 89 397 406
26. W Nelson YL Tong JK Lee F Halberg 1979 Methods for cosinor rhythmometry Chronobiologia 6 305 323
27. R Refinetti 1996 Comparison of the body temperature rhythms of diurnal and nocturnal rodents J Exp Zool 275 67 70
28. R Refinetti 2004 Non-stationary time series and the robustness of circadian rhythms J Theor Biol 227 571 581
29. Refinetti R (2006) Circadian physiology, 2nd edn. CRC Press, Boca Raton
30. R Refinetti G Cornélissen F Halberg 2007 Procedures for numerical analysis of circadian rhythms Biol Rhythm Res 38 275 325
31. NF Ruby 2003 Hibernation: when good clocks go cold J Biol Rhythms 18 275 286
32. NF Ruby J Dark DE Burns HC Heller I Zucker 2002 The suprachiasmatic nucleus is essential for circadian body temperature rhythms in hibernating ground squirrels J Neurosci 22 357 364
33. T Ruf 1999 The Lomb-Scargle periodogram in biological rhythm research: analysis of incomplete and unequally spaced time-series Biol Rhythm Res 30 178 201
34. AF Siegel 1980 Testing for periodicity in a time series J Am Stat Assoc 75 345 348
35. Twente JW, Twente JA (1967) Seasonal variation in the hibernating behavior of Citellus lateralis. In: Fischer KC, Dawe AW, Lyman CP, Schonbaum E, South FE (eds) Mammalian hibernation III. Oliver and Boyd, Edinburg, pp 47-63
36. Wang LCH, Lee TF (1996) Torpor and hibernation in mammals: metabolic, physiological, and biochemical adaptations. In: Fregly MJ, Blatteis CM (eds) Handbook of physiology. Sect. 4: Environmental physiology, vol 1. Oxford University Press, New York, pp 507-532
37. T Waßmer F Wollnik 1997 Timing of torpor bouts during hibernation in European hamsters (Cricetus cricetus L.) J Comp Physiol B 167 270 279
38. F Wollnik B Schmidt 1995 Seasonal and daily rhythms of body temperature in the European hamster (Cricetus cricetus) under semi-natural conditions J Comp Physiol B 165 171 182
39. PJ Young 1990 Hibernating patterns of free-ranging Columbian ground squirrels Oecologia 83 504 511
40. D Zivadinović M Marjanović RK Andjus 2005 Some components of hibernation rhythms Ann N Y Acad Sci 1048 60 68