Thermal variability in body temperature in an ectotherm: Are cloacal temperatures good indicators of tortoise body temperature?

Journal of Thermal Biology

Volumn 38, Issue 4, 2013, Pages 163-168

  McMaster, Megan K ^a   Downs, Colleen T ^a  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

Behaviour; Cloacal body temperature; Core body temperature; Geochelone pardalis; Leopard tortoise; Skin temperature; Stigmochelys pardalis; Thermoregulation

Indexed keywords

ANALYTICAL EQUIPMENT; ANIMAL EXPERIMENT; ANIMAL SHELL; ARTICLE; BODY TEMPERATURE; CLOACAL BODY TEMPERATURE; CONTROLLED STUDY; CORE TEMPERATURE; ENVIRONMENTAL TEMPERATURE; FEMALE; MALE; NONHUMAN; SEASONAL VARIATION; SKIN TEMPERATURE; STIGMOCHELYS PARDALIS; SUMMER; THERMOREGULATION; TURTLE; WINTER;

EID: 84875261763     PISSN: 03064565     EISSN: 18790992     Source Type: Journal    
DOI: 10.1016/j.jtherbio.2013.02.002     Document Type: Article

References (47)

1. Alexander G.J., Mitchell D., Hanrahan S.A. Wide thermal tolerance in the African elapid, Hemachatus haemachatus. J. Herpetol. 1999, 33:164-167.
2. Angilletta M.J., Krochmal A.R. The thermochron: a truly miniature and inexpensive temperature-logger. Herpetol. Rev. 2003, 34:31-32.
3. Ayers D.Y., Shine R. Thermal influences on foraging ability: body size, posture and cooling rate of an ambush predator, the python Morelia spilota. Funct. Ecol. 1997, 36:199-218.
4. Bakken G.S. A heat transfer analysis of animals: unifying concepts and the application of metabolism chamber data to field ecology. J. Theor. Biol. 1976, 60:337-384.
5. Bartholomew G.A., Tucker V.A. Control of changes in body temperature, metabolism, and circulation by the agamid lizard. Amphibolurus barbatus. Physiol. Zool. 1963, 36:199-218.
6. Belliure J., Carrascal L.M. Influence of heat transmission mode on heating rates and on the selection of patches for heating in a Mediterranean lizard. Physiol. Biochem. Zool. 2002, 75:369-376.
7. Branch W.R. Preliminary observations on the ecology of the angulate tortoise (Chersina angulata) in the Eastern Cape Province, South Africa. Amphibia-Reptilia 1984, 5:43-55.
8. Chelazzi G., Calzolai R. Thermal benefits from familiarity with the environment in a reptile. Oecologia 1986, 68:557-558.
9. Christian K.A., Weavers B.W. Thermoregulation of monitor lizards in Australia: an evaluation of methods in thermal biology. Ecol. Monogr. 1996, 66:139-157.
10. Cloudsley-Thompson J.L. On the biology of the desert tortoise Testudo sulcata in Sudan. J. Zool. London 1970, 160:17-33.
11. Cloudsley-Thompson J.L. Physiological thermoregulation in the spurred tortoise (Testudo graeca). J. Nat. Hist. 1974, 8:577-587.
12. Cloudsley-Thompson J.L. Ecophysiology of Desert Arthropods and Reptiles 1991, Springer-Verlag, Berlin.
13. Craig A.J.F.K. Evidence for thermoregulation in the tortoise Chersine angulata. Zool. Afr. 1973, 8:259-264.
14. do Amaral J.P.S., Marvin G.A., Hutchison V.H. Thermoregulation in the box turtles Terrapene carolina and Terrapene ornata. Can. J. Zool. 2002, 80:934-943.
15. Fritz, U., Havas, P., 2006. CITES Checklist of Chelonians of the World. Compiled at the request of the CITES Nomenclature Committee. http://www.dght.de/Chelonians_Checklist_2006.pdf.
16. Geffen E., Mendelssohn H. Activity patterns and thermoregulatory behaviour of the Egyptian tortoise Testudo kleinmanni in Israel. J. Herpetol. 1989, 23:404-409.
17. Hailey A., Coulson I.M. Temperature and the tropical tortoise Kinixys spekii: tests of thermoregulation. J. Zool. London 1996, 240:537-549.
18. Hailey A., Coulson I.M. Temperature and the tropical tortoise Kinixys spekii: constraints on activity level and body temperature. J. Zool. London 1996, 240:523-536.
19. Hailey A., Loveridge J.P. Body temperatures of captive tortoises at high altitude in Zimbabwe, with comments on the use of "living models". Herpetol. J. 1998, 8:79-84.
20. Heath J.E. Head-body temperature differences in horned lizards. Physiol. Zool. 1964, 37:273-280.
21. Holm S. A simple sequentially rejective multiple test procedure. Scand. J. Stat. 1979, 6:65-70.
22. Johnson C.R., Voigt W.G., Smith E.N. Thermoregulation in crocodilians-III. Thermal preferenda, voluntary maxima, and heating and cooling rates in the American alligator, Alligator mississipiensis. Zool. J. Linn. Soc. London 1978, 62:179-188.
23. Lambert M.R.K. Temperature, activity and field sighting in the Mediterranean spur-thighed or common garden tortoise Testudo graeca. L. Biol. Conserv. 1981, 21:39-54.
24. Loehr V.J.T. High body temperatures in an arid, winter rainfall environment: thermal biology of the smallest tortoise. J. Arid Environ. 2012, 82:123-129.
25. MacKay R.S. Galapagos tortoises and marine iguana deep body temperatures measured by radio telemetry. Nature 1964, 204:355-358.
26. McGinnis S.M., Voigt W.G. Thermoregulation in the desert tortoise Gopherus agassizii. Comp. Biochem. Physiol. A 1971, 40:119-126.
27. McMaster, M.K., 2002. The Status and Ecology of the Leopard Tortoise (Geochelone pardalis) on Farmland in the Nama-Karoo. M.Sc. Thesis, University of Natal, Pietermaritzburg, South Africa.
28. McMaster M.K., Downs C.T. Do seasonal and behavioral differences in the use of refuges by the Leopard tortoise (Geochelone pardalis) favour passive thermoregulation?. Herpetologica 2006, 62:37-46.
29. McMaster M.K., Downs C.T. Home range and daily movement of leopard tortoises (Stigmochelys pardalis) in the Nama-Karoo, South Africa. J. Herpetol. 2009, 43:561-569.
30. McMaster, M.K., Downs, C.T. Thermoregulation in leopard tortoises in the Nama-Karoo: the importance of behaviour and core body temperatures. J. Therm. Biol., , this issue. http://dx.doi.org/10.1016/j.jtherbio.2013.02.003.
31. McNab B.K., Auffenburg W. The effect of large body size on the temperature regulation of the Komodo dragon Varanus komodoensis. Comp. Biochem. Physiol. A 1976, 55:345-350.
32. Meek R. Thermoregulatory behaviour in a population of Hermann's tortoise (Testudo hermanni) in southern Yugoslavia. Br. J. Herpetol. 1984, 6:387-391.
33. Meek R. The thermal ecology of Hermann's tortoise (Testudo hermanni) in summer and autumn in Yugoslavia. J. Zool. London 1988, 215:99-111.
34. Perrin M.R., Campbell B.S. Some aspects of thermoregulation in three species of southern African tortoise. S. Afr. J. Zool. 1981, 16:35-43.
35. Reiber C.L., Malekpour S., McDaniel M. Effects of post-hatching maintenance temperature on desert tortoise (Gopherus agassizii) shell morphology and thermoregulatory behaviour. J. Herpetol. 1999, 33:234-240.
36. Russo P.M. Behavioural Thermoregulation and Energy Budget of the Eastern Box Turtle, Terrapene c. carolina (Linne) 1972, Rutgers University, New Brunswick, New Jersey.
37. Sartorius S.S., Do Amaral J.P.S., Durtsche R.D., Deen C.M., Lutterschmidt W.I. Thermoregulatory accuracy, precision, and effectiveness in two sand-dwelling lizards under mild environmental conditions. Can. J. Zool. 2002, 80:1966-1976.
38. Seebacher F., Grigg G.C., Beard L.A. Crocodiles as dinosaurs: behavioural thermoregulation in very large ectotherms leads to high and stable body temperatures. J. Exp. Biol. 1999, 202:77-86.
39. Shine R., Harlow P.S., Elphick M.J., Olsson M.M., Mason R.T. Conflicts between courtship and thermoregulation: the thermal ecology of amorous male garter snakes (Thamnophis sirtalis parietalis, Colubridae). Physiol. Biochem. Zool. 2000, 73:508-516.
40. Smith E.N., Robertson S.L., Adams S.R. Thermoregulation of the spiny soft-shelled turtle Trionyx spinifer. Physiol. Zool. 1981, 54:74-80.
41. Stevenson R.D. Body size and the limits to the daily range of body temperature in terrestrial ectotherms. Am. Nat. 1985, 125:102-117.
42. Southwood A.L., Reina R.D., Jones V.S., Jones D.R. Seasonal diving patterns and body temperatures of juvenile green turtles at Heron Island, Australia. Can. J. Zool. 2003, 81:1014-1024.
43. Spotila J.R., Lommen P.W., Bakken G.S., Gates D.M. A mathematical model for body temperature of large reptiles: importance for dinosaurs' ecology. Am. Nat. 1973, 107:391-403.
44. Webb G., Heatwole H. Patterns of heat distribution within the bodies of some Australian pythons. Copeia 1971, 1971:209-220.
45. Whitaker P.B., Shine R. Thermal biology and activity patterns of the eastern brownsnake (Pseudonaja textilis): a radiotelemetric study. Herpetologica 2002, 71:680-692.
46. White F.N. Temperature and the Galapagos marine iguana-insights into reptilian thermoregulation. Comp. Biochem. Physiol. 1973, 45:503-513.
47. Wright J., Steer E., Hailey A. Habitat separation in tortoises and the consequences for activity and thermoregulation. Can. J. Zool. 1988, 66:1537-1544.