Body mass condition in greek tortoises: Regional and interspecific variation

Herpetological Journal

Volumn 12, Issue 3, 2002, Pages 105-114

  Willemsen, Ronald E ^a   Hailey, Adrian ^b,c  

^a Aristotelian Univ of Thessaloniki ^*  (Netherlands)

^b ARISTOTLE UNIVERSITY OF THESSALONIKI   (Greece)

^c UNIVERSITY OF BRISTOL   (United Kingdom)

Author keywords

Condition index; Season; Testudo graeca; Testudo hermanni; Testudo marginata

Indexed keywords

TESTUDINIDAE; TESTUDO GRAECA; TESTUDO HERMANNI; TESTUDO MARGINATA;

EID: 0036665217     PISSN: 02680130     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (59)

1. Avery, H. A. & Vitt, L. J. (1984). How to get blood from a turtle. Copeia 1984, 209-210.
2. Blaxter, K. (1989). Energy metabolism in animals and man. Cambridge: Cambridge University Press.
3. rd edition. London: Baillière, Tindall & Cassell.
4. Bonnet, B. (1979). Influence of nutritional conditions on the organic composition of blood and urine in the juvenile sea turtle Chelonia mydas L. Aquaculture 16, 253-260.
5. Bonnet, X., Lagarde, F., Henen, B. T., Corbin, J., Nagy, K. A., Naulleau, G., Balhoul, K., Chastel, O., Legrand, A. & Cambag, R. (2001). Sexual dimorphism in steppe tortoises (Testudo horsfieldii): influence of the environment and sexual selection on body shape and mobility. Biological Journal of the Linnean Society 72, 357-372.
6. Bour, R. (1996). Une nouvelle espèce de tortue terrestre dans le Peloponnese (Grèce). Dumerilia 2, 23-54.
7. Bringsøe, H., Buskirk, J. R. & Willemsen, R. E. (2001). Testudo marginata Schoepff, 1792 Breitrandschildkröte. In Handbuch der Reptilien und Amphibien Europas, 291-334. Böhme, W. (Ed.). Wiebelsheim: AULA-Verlag.
8. Brisbin, I. L., Jr. (1972). Seasonal variations in the live weights and major body components of captive box turtles. Herpetologica 28, 70-75.
9. Christopher, M. M., Nagy, K. A., Wallis, I., Klaassen, J. K. & Berry, K. H. (1997). Laboratory health profiles of desert tortoises in the Mojave desert: a model for health status evaluation of chelonian populations. In Proceedings: Conservation, restoration, and management of tortoises and turtles - an international conference, 76-82. Van Abbema, J. (Ed.). New York: New York Turtle & Tortoise Society / Wildlife Conservation Society.
10. Diaz-Paniagua, C., Keller, C. & Andreu, A. C. (1995). Annual variation of activity and daily distances moved in adult spur-thighed tortoises, Testudo graeca, in southwestern Spain. Herpetologica 51, 225-233.
11. Divers, S. (1996). Basic reptile husbandry, history taking and clinical examination. In Practice: Journal of Veterinary Postgraduate Clinical Study 18, 51-65.
12. Dorando, S. L. (1979). A method to reduce error in weight estimation of freshwater turtles. Copeia 1979, 346.
13. Frair, W. & Shah, B. K. (1982). Sea turtle blood serum protein concentrations correlated with carapace lengths. Comparative Biochemistry and Physiology 73A, 337-339.
14. Gilles-Baillien, M. & Schoffeniels, E. (1965). Variations saisonnières dans la composition du sang de la tortue grecque Testudo hermanni J. F. Gmelin. Annales de la Société Royale Zoologique de Belgique 95, 75-79.
15. Hailey, A. (1989). How far do animals move? Routine movements in a tortoise. Canadian Journal of Zoology 67, 208-215.
16. Hailey, A. (2000). Assessing body mass condition in the tortoise Testudo hermanni. Herpetological Journal 10, 57-61.
17. Hailey, A. & Loumbourdis, N. S. (1988). Egg size and shape, clutch dynamics, and reproductive effort in European tortoises. Canadian Journal of Zoology 66, 1527-1536.
18. Hailey, A. & Loumbourdis, N. S. (1990). Population ecology and conservation of tortoises: demographic aspects of reproduction in Testudo hermanni. Herpetological Journal 1, 425-434.
19. Hailey, A. & Willemsen, R. E. (2000). Population density and adult sex ratio of the tortoise Testudo hermanni in Greece: evidence for intrinsic population regulation. Journal of Zoology, London 251, 325-338.
20. Henen, B. T. (1991). Measuring the lipid content of live animals using cyclopropane gas. American Journal of Physiology 261 (Regulatory Integrative Comparative Physiology) 30, R752-R759.
21. Henen, B. T. (1997). Seasonal and annual energy budgets of female desert tortoises (Gopherus agassizii). Ecology 78, 283-296.
22. Hine, M. L. (1982). Notes on the marginated tortoise (Testudo marginata) in Greece and in captivity. British Herpetological Society Bulletin 5, 35-38.
23. Hutton, K. E. & Goodnight, C. J. (1957). Variations in the blood chemistry of turtles under active and hibernating conditions. Physiological Zoology 30, 198-207.
24. Jackson, O. F. (1980). Weight and measurement data on tortoises (Testudo graeca and Testudo hermanni) and their relationship to health. Journal of Small Animal Practice 21, 409-416.
25. Jackson, O. F. (1991). Chelonians. In Manual of exotic pets, 221-243. Beynon, P.H. & Cooper, J. E. (Eds). Cheltenham: BSAVA Publications.
26. Jacobson, E. R. (1987). Reptiles. In Veterinary clinics of North America: small animal practice, 1203-1225. Harkness, J. (Ed.). Philadelphia: W. B. Saunders.
27. Jacobson, E. R. (1988). Evaluation of the reptile patient. In Exotic animals, 1-18. Jacobson, E. R. & Kollias, G. V. (Eds). New York: Churchill Livingstone.
28. Jacobson, E. R. (1993). Blood collection techniques in reptiles: laboratory investigations. In Zoo and wild animal medicine: current therapy, 3rd edition, 144-152. Fowler, M. E. (Ed.). Denver: W. B. Saunders Co.
29. th edition, 232-242. Fowler, M. E. & Miller, E. R. (Eds). Philadelphia: W. B. Saunders Co.
30. Jacobson, E. R., Schumacher, J. & Green, M. (1992). Field and clinical techniques for sampling and handling blood for hematologic and selected biochemical determinations in the desert tortoise, Xerobates agassizii. Copeia 1992, 237-241.
31. Jacobson, E. R., Weinstein, M., Berry, K., Hardenbrook, B., Tomlinson, C. & Freitas, D. (1993). Problems with using weight versus carapace length relationships to assess tortoise health. Veterinary Record 132, 222-223.
32. Kim, S. H., Cho, K. W. & Koh, G. Y. (1987). Circannual changes in renin concentration, plasma electrolytes, and osmolarity in the freshwater turtle. General and Comparative Endocrinology 67, 383-389.
33. Klemens, M. W., Raphael, B. L., Karesh, W. B., Moehlman, P. D. & Mwaya, R. T. (1997). Baseline health parameters of free-ranging pancake tortoises, Malacochersus tornieri, in Tanzania. In Proceedings: Conservation, restoration, and management of tortoises and turtles - an international conference, 83. Van Abbema, J. (Ed.). New York: New York Turtle & Tortoise Society/Wildlife Conservation Society.
34. Lambert, M. R. K. (1981). Temperature, activity and field sighting in the Mediterranean spur-thighed or common garden tortoise Testudo graeca. Biological Conservation 21, 39-54.
35. Lambert, M. R. K. (1982). Studies on the growth, structure and abundance of the Mediterranean spur-thighed tortoise, Testudo graeca in field populations. Journal of Zoology, London 196, 165-189.
36. Lawrence, K. (1985). An introduction to haematology and blood chemistry of the reptilia. In Reptiles: breeding, behaviour and veterinary aspects, 99-113. Townson, S. & Lawrence, K. (Eds). London: British Herpetological Society.
37. Lawrence, K. & Hawkey, C. M. (1986). Seasonal variations in haematological data from Mediterranean tortoises (Testudo graeca and Testudo hermanni) in captivity. Research in Veterinary Science 40, 225-230.
38. Le Cren, E. D. (1951). The length-weight relationship and seasonal cycle in gonad weight and condition in the perch (Perca fluviatilis). Journal of Animal Ecology 20, 201-219.
39. Longepierre, S., Hailey, A. & Grenot, C. (2001). Home range area in the tortoise Testudo hermanni in relation to habitat complexity: implications for conservation of biodiversity. Biodiversity and Conservation 10, 1131-1140.
40. McArthur, S. (1996). Veterinary management of tortoises and turtles. Oxford: Blackwell Science
41. McDonald, H. S. (1976). Methods for the physiological study of reptiles. In Biology of the reptilia 5 (Physiology A), 19-126. London: Academic Press.
42. Meek, R. (1985). Aspects of the ecology of Testudo hermanni in southern Yugoslavia. British Journal of Herpetology 6, 437-445.
43. Meienberger, C., Wallis, I. R. & Nagy, K. A. (1993). Food intake rate and body mass influence transit time and digestibility in the desert tortoise (Xerobates agassizii). Physiological Zoology 66, 847-862.
44. Panagiota, M. & Valakos, E. D. (1992). Contribution to the thermal ecology of Testudo marginata and T. hermanni (Chelonia: Testudinidae) in semi-captivity. Herpetological Journal 2, 48-50.
45. Pritchard, P. C. H. (1966). Notes on Persian turtles. British Journal of Herpetology 3, 271-275.
46. Raphael, B. L. & Jacobson, E. R. (1997). Field techniques for collection of biological samples in turtles and tortoises. In Proceedings: Conservation, restoration, and management of tortoises and turtles - an international conference, 84-85. Van Abbema, J. (Ed.). New York: New York Turtle & Tortoise Society / Wildlife Conservation Society.
47. Raphael, B. L., Klemens, M. W., Moehlman, P., Dierenfeld, E. & Karesh, W. B. (1994). Blood values in free-ranging pancake tortoises (Malacochersus tornieri). Journal of Zoo and Wildlife Medicine 25, 63-67.
48. Seidel, M. E. (1974). Seasonal fluctuation of plasma protein in the spiny softshell turtle, Trionyx spiniferus. Herpetologica 30, 283-285.
49. Spratt, D. M. (1990). 'Jackson's ratio' and the Aldabra giant tortoise (Geochelone gigantea). Veterinary Record 127, 262-263.
50. Stubbs, D., Hailey, A., Pulford, E. & Tyler, W. (1984). Population ecology of European tortoises: review of field techniques. Amphibia-Reptilia 5, 57-68.
51. Taylor, R. W. & Jacobson, E. R. (1982). Hematology and serum chemistry of the gopher tortoise, Gopherus polyphemus. Comparative Biochemistry and Physiology 72A, 425-428.
52. Vitt, L. J. & Congdon, J. D. (1978). Body shape, reproductive effort, and relative clutch mass in lizards: resolution of a paradox. American Naturalist 112, 595-608.
53. Willemsen, R. E. (1991). Differences in thermoregulation between Testudo hermanni and Testudo marginata and their ecological significance. Herpetological Journal 1, 559-567.
54. Willemsen, R. E. & Hailey, A. (1989). Status and conservation of tortoises in Greece. Herpetological Journal 1, 315-330.
55. Willemsen, R. E. & Hailey, A. (1999a). Variation of adult body size of the tortoise Testudo hermanni in Greece: proximate and ultimate causes. Journal of Zoology, London 248, 379-396.
56. Willemsen, R. E. & Hailey, A. (1999b). A latitudinal cline of dark plastral pigmentation in the tortoise Testudo hermanni in Greece. Herpetological Journal 9, 125-132.
57. Willemsen, R. E. & Hailey, A. (2001). Effects of spraying the herbicides 2,4-D and 2,4,5-T on a population of the tortoise Testudo hermanni in southern Greece. Environmental Pollution 113, 71-78.
58. Willemsen, R. E., Hailey, A., Longepierre, S. & Grenot, C. (2002). Body mass condition and management of captive European tortoises. Herpetological Journal 12, 115-121.
59. Wright, J., Steer, E. & Hailey, A. (1988). Habitat separation in tortoises and the consequences for activity and thermoregulation. Canadian Journal of Zoology 66, 1537-1544.