Testing the reliability of ring counts for age determination in the Egyptian tortoise (Testudo kleinmanni)

Herpetological Journal

Volumn 21, Issue 3, 2011, Pages 209-211

  Attum, Omar ^a   Rabea, Bassim ^b   Duffy, Kate ^a   Din, Sherif M Baha El ^c  

^a INDIANA UNIVERSITY SOUTHEAST   (United States)

^b Zaranik Protected Area   (Egypt)

^c Nature Conservation Egypt   (Egypt)

Author keywords

Annuli; Chelonians; Growth rings

Indexed keywords

TESTUDINES; TESTUDINIDAE; TESTUDO KLEINMANNI;

EID: 80455141606     PISSN: 02680130     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (20)

1. Attum, O., Baha El Din, M., Baha El Din, S. & Habinan, S. (2007a). Egyptian tortoise conservation: a community-based, field research program developed from a study on a semi-captive population. Zoo Biology 26, 397-406.
2. Attum, O., Esawy, M., Farag, W., Gad, A., Baha El Din, S. & Kingsbury, B. (2007b). Returning them back to the wild: movement patterns of repatriated Egyptian tortoises. Zoology in the Middle East 41, 35-40.
3. Attum, O., Rabea, B., Osman, S., Habinan, S., Baha El Din, S. & Kingsbury, B. (2008). Conserving and studying tortoises: a local community visual-tracking or radio-tracking approach? Journal of Arid Environments 72, 671-676.
4. Baha El Din, S., Attum, O. & Baha El Din, M. (2003). Status of Testudo kleinmanni and T. werneri in Egypt. Chelonian Conservation and Biology 4, 648-655.
5. Berry, K.H. (2002). Using growth ring counts to age juvenile desert tortoises (Gopherus agassizii) in the wild. Chelonian Conservation and Biology 4, 416-424
6. Bertolero, A., Carretero, M. & Llorente, G. (2005). An assessment of the reliability of growth rings counts for age determination in the Hermann's tortoise Testudo hermanni. Amphibia-Reptilia 26, 17-23.
7. Brooks, R., Krawchuk, M., Stevens, C. & Koper, N. (1997). Testing the precision and accuracy of age estimation using lines in scutes of Chelydra serpentina and Chrysemys picta. Journal of Herpetology 31, 521-529.
8. Bury, R.B., Germano, D.J. & Bury, G.W. (2010). Population structure and growth of the turtle Actinemys marmorata from the Klamath-Siskiyou ecoregion: age, not size, matters. Copeia 2010, 443-451.
9. Castanet, J. & Cheylan, M. (1979). Les marques de croissance des os et des écailles comme indicateur de l'âge chez Testudo hermanni et Testudo graeca (Reptilia, Chelonia, Testudinaidae). Canadian Journal of Zoology 57, 1649-1665.
10. Galbraith, D. & Brooks, R. (1987). Addition of annual growth lines in adult snapping turtles Chelydra serpentina. Journal of Herpetology 21, 359-363.
11. Galbraith, D. & Brooks, R. (1989). Age estimates for snapping turtles. Journal of Wildlilfe Management 53, 502-508.
12. Germano, D. (1988). Age and growth histories of desert tortoises using scute annuli. Copeia 1988, 914-920.
13. Germano, D. (1998). Scutes and age determination of desert tortoises revisited. Copeia 1998, 482-484.
14. Germano, D.J. & Bury, R.B. (1998). Age determination in turtles: evidence of annual deposition of scute rings. Chelonian Conservation and Biology 3, 123-132.
15. Germano, D.J. & Bury, R.B. (2009). Variation in body size, growth, and population structure of Actinemys marmorata from lentic and lotic habitats in southern Oregon. Journal of Herpetology 43, 510-520.
16. Mitrus, S. (2009). Growth rings in young turtles Emys orbicularis-marking is the only reliable criterion for distinguishing between wild and headstarted animals. Herpetological Journal 19, 107-109.
17. Stone, P.A. & Babb, M.E. (2005). A test of the annual growth line hypothesis in Trachemys scripta elegans. Herpetologica 61, 409-414.
18. Tracy, C. & Tracy, R. (1995). Estimating the age of desert tortoises Gopherus agassizii from scute rings. Copeia 1995, 964-966.
19. Wilson, D.S., Tracy, C.R. & Tracy R.C. (2003). Estimating age of turtles from growth rings: a critical evaluation of the technique. Herpetologica 59, 178-194.
20. Zug, G.R. (1991). Age determination in turtles. Society for the Study of Amphibians and Reptiles Herpetological Circular 20, 1-28.