Sexual dimorphism in the Greek tortoise: A test of the body shape hypothesis

Chelonian Conservation and Biology

Volumn 7, Issue 1, 2008, Pages 21-27

  Kaddour, Khalid Ben ^a,b   El Mouden, El Hassan ^a   Slimani, Tahar ^a   Bonnet, Xavier ^b   Lagarde, Frederic ^b  

^a CADI AYYAD UNIVERSITY   (Morocco)

^b CNRS   (France)

Author keywords

Body shape; Body size; Chelonian; Reptilia; Sexual dimorphism; Testudines; Testudinidae; Testudo graeca

Indexed keywords

ANIMALIA; CHELONIIDAE; REPTILIA; TESTUDINES; TESTUDINIDAE; TESTUDO GRAECA;

EID: 50249161589     PISSN: 10718443     EISSN: None     Source Type: Journal    
DOI: 10.2744/CCB-0649.1     Document Type: Article

References (45)

1. ANDERSON, M. 1994. Sexual Selection. Princeton, NJ: Princeton University Press.
2. ANDREU, A.C., DÍAZ-PANIAGUA, C., AND KELLER, C. 2000. La tortuga mora (Testudo graeca L.) en Doñana. Asociación Herpetológica Española, Madrid, Spain Monografias de Herpetologia, 5, 70 pp.
3. ANDREU, A.C., DÍAZ-PANIAGUA, C., KELLER, C., SLIMANI, T., AND EL MOUDEN, E.H. 2004. Testudo graeca graeca Linnaeus, 1758. Manouria 7(22):17-18.
4. BAYLEY, J.R. AND HIGHFIELD, A.C. 1996. Observations on ecological changes threatening a population of Testudo graeca graeca in the Souss Valley, Southern Morocco. Chelonian Conservation and Biology 2(1):36-42.
5. BERRY, J.F. AND SHINE, R. 1980. Sexual size dimorphism and sexual selection in turtles (order Testudines). Oecologia 44: 185-191.
6. BONNET, X., LAGARDE, F., HENEN, B.T., CORBIN, J., NAGY, K.A., NAULLEAU, G., BALHOUL, K., CHASTEL, O., LEGRAND, A., AND CAMBAG, R. 2001. Sexual dimorphism in steppe tortoises: influence of the environment and sexual selection on body shape and mobility. Biological Journal of the Linnean Society. Soc. 72:357-372.
7. BONNET, X., SHINE, R., NAULLEAU, G., AND VACHER-VALLAS, M. 1998. Sexual dimorphism in snakes: different reproductive roles favour different body plans. Proceedings of the Royal Society B 265:1-5.
8. BRAZA, F., DELIBES, M., AND CASTROVIEJO, J. 1981. Estudio biometrico y biológico de la tortuga mora (Testudo graeca) en la Reserva Biológica de Doñana. Huelva. Doñana Acta Vertebra 8:15-41.
9. CAGLE, F.R. 1939. A system of marking turtles for future identification. Copeia 1939:170-172.
10. CASTANET, J. AND CHEYLAN, M. 1979. Les marques de croissance des os et des écailles comme indicateur de I;âge chez Testudo hermanni et Testudo graeca (Reptilia, Chelonia, Testudinidae). Canadian Journal of Zoology. 57:1649-1655.
11. DÍAZ-PANIAGUA, C., KELLER, C., AND ANDREU, A. 1995. Annual variation of activity and daily distances moved in adult spurthighed tortoises, Testudo graeca graeca, in southwestern Spain. Herpetologica 51:225-233.
12. EL MOUDEN, E., ZNARI, M., AND BROWN, R.P. 1999. Skeletochro-nology and mark-recapture assessments of growth in the North African agamid lizard, Agama impalearis. Journal of Zoology, London 249:455-461.
13. EMBERGER, L. 1933. Nouvelle contribution à l'étude de la classification des groupements végétaux. Revue Gènèrate de Botanique 45:473-486.
14. ERNST, C.H. AND BARBOUR, R.W. 1989. Turtles of the World. Washington, D.C.: Smithsonian Institution Press, 313 pp.
15. GALEOTTI, P., SACCHI, R., ROSA, D.P., AND FASOLA, M. 2005. Female preference for fast-rate, high-pitched calls in Hermann's tortoises Testudo hermanni. Behavioral Ecology 16(1): 301-308.
16. GARCIA-BERTHOU, E. 2001. On the misuse of residuals in ecology: testing regression residuals vs. the analysis of covariance. Journal of Animal Ecology. 70:708-711.
17. GERMANO, D.J. 1994. Growth and age at maturity of North American tortoises in relation to regional climates. Canadian Jouranal of Zoology 72:918-931.
18. GERMANO, D.J. AND BURY, R.B. 1998. Age determination in turtles: evidence of annual deposition of scute rings. Chelonian Conservation Biology 3:123-132.
19. GIBBONS, J.W. AND GREENE, J.L. 1990. Reproduction in the slider and other species of turtles. In: Gibbons, J. W. (Ed.). Life History and Ecology of the Slider Turtle. Washington, D.C.: Smithsonian Institution Press, 124-134 pp.
20. HENEN, B.T., NAGY, K.A., BONNET, X., AND LAGARDE, F. 2001. Clutch size and fecundity of wild Horsfield's tortoises (Testudo horsfieldi): time and body size effects. Chelonii 3:135-143.
21. IVERSON, J.B. 1992a. A Revised Checklist with Distribution Maps of the Turtles of the World. Indiana: Green Nature Books.
22. IVERSON, J.B. 1992b. Correlates of reproductive output in turtles. Herpetological Monographs. 6:25-42.
23. KADDOUR, K.B. 2005. Traits d'histoire de vie et écologie de la tortue mauresque (Testudo graeca graeca L., 1758) dans un environnement aride et surpaturé au Maroc occidental: implications en terme de conservation. Unpublished PhD thesis. Université de Marrakech, Morocco.
24. KADDOUR, K.B., EL MOUDEN, E.H., SLIMANI, T., LAGARDE, F., AND BONNET, X. 2005. Dimorphisme sexuel et cinétique de croissance et de maturation chez Testudo graeca graeca, dans les Jbilets Centrales, Maroc. Revue d'écologie (la Terre et la Vie) 60(3):265-278.
25. LAGARDE, F., BONNET, X., CORBIN, J., HENEN, B., AND NAGY, K. 2002. A short spring before a long jump: the ecological challenge to the steppe tortoise (Testudo horsfieldi). Canadian Journal of Zoology 80:493-502.
26. LAGARDE, F., BONNET, X., CORBIN, J., HENEN, B., NAGY, K., MARDONOV, B., AND NAULLEAU, G. 2003b. Foraging behaviour and diet of an ectothermic herbivore: Testudo horsfieldi. Ecography 26:236-242.
27. LAGARDE, F., BONNET, X., HENEN, B.T., CORBIN, J., NAGY, K.A., AND NAULLEAU, G. 2001. Sexual size dimorphism in the steppe tortoise (Testudo horsfieldii): growth, maturity and individual variation. Canadian Journal of Zoology 79:1433-1441.
28. LAGARDE, F., BONNET, X., HENEN, B., LEGRAND, A., CORBIN, J., NAGY, K., AND NAULLEAU, G. 2003a. Sex divergence in space utilisation in the steppe tortoise (Testudo horsfieldi). Canadian Journal of Zoology. 81:380-387.
29. LAGARDE, F., GUILLON, M., BONNET, X., DUBORCA, L., BEN KADDOUR, K., SLIMANI, T., AND EL MOUDEN, E.H. 2007. Slowness and accelerations: a new method for chelonian behavioural studies. Animal Behaviour 75:319-329.
30. LAMBERT, M.R.K. 1983. Some factors influencing the Moroccan distribution of the western Mediterranean spur-thighed tortoise. Testudo graeca graeca L. and those precluding its survival in NW Europe. Zoological Journal of Linnean Society 79: 149-179.
31. LE HOUÉROU, H. 1989. Classification écoclimatique des zones arides (s. l.) de l'Afrique du Nord. Ecologia Mediterranea 15: 95-144.
32. MADSEN, T. AND SHINE, R. 1993. Phenotypic plasticity in body sizes and sexual dimorphism in European grass snakes. Evolution 47:321-325.
33. MALMGREN, J.C. AND THOLLESON, M. 1999. Sexual size and shape dimorphism in two species of newts, Triturus cristatus and T vulgaris (Caudata: Salamandridae). Journal of Zoology, London 249:127-136.
34. PEARSON, D., SHINE, R., AND How, R. 2002a. Sex-specific niche partitioning and sexual size dimorphism in Australian pythons (Morelia spilota imbricata). Biological Journal of the Linnean Society 77:113-125.
35. PEARSON, D., SHINE, R., AND WILLIAMS, A. 2002b. Geographic variation in sexual size dimorphism within a single snake species (Morelia spilota, Pythonidae). Oecologia (Berl.) 131: 418-426.
36. SHINE, R. 1978. Sexual size dimorphism and male combat in snakes. Oecologia 33:269-278.
37. SHINE, R. 1988. The evolution of large body size in females: a critique of Darwin's "fecundity advantage" model. American Naturalist 131:124-131.
38. SHINE, R. 1991. Intersexual dietary divergence and the evolution of sexual dimorphism in snakes. Am. Nat. 138:103-122.
39. SHINE, R. 1994. Sexual size dimorphism in snakes revisited. Copeia 1994:326-346.
40. STUBBS, D. AND SWINGLAND, I.R. 1985. The ecology of the Mediterranean tortoise (Testudo hermanni): a declining population. Canadian Journal of Zoology 63:169-180.
41. STUBBS, D., HAILEY, A., PULFORD, E., AND TYLER, W. 1984. Population ecology of European tortoises: review of field techniques. Amphibia-Reptila 1984:57-68.
42. WILBUR, H.M. AND MORIN, P.J. 1988. Life history evolution in turtles. In: Gans, D.C. and Huey, B. (Eds.). Biology of the Reptilia. Volume 16. Ecology B. Alan R. Liss: New York, 387-437 pp.
43. WILLEMSEN, R.E. AND HAILEY, A. 1999. Variation of adult body size of the tortoise Testudo hermanni in Greece: proximate and ultimate causes. Journal of Zoology 248:379-396.
44. WILLEMSEN, R.E. AND HAILEY, A. 2003. Sexual dimorphism of body size and shell shape in European tortoises. Journal of Zoology, London 260:353-365.
45. ZNARI, M., EL MOUDEN, E., AND FRANCILLON-VIEILLOT, H. 2002. Long-term variation in reproductive traits of Bibron's Agama, Agama impalearis, in Western Morocco. African Journal of Herpetology. 51:57-68.