Sex ratio estimations of loggerhead sea turtle hatchlings by histological examination and nest temperatures at Fethiye beach, Turkey

Naturwissenschaften

Volumn 93, Issue 7, 2006, Pages 338-343

  Kaska, Yakup ^a   Ilgaz, Çetin ^b   Özdemir, Adem ^c   Başkale, Eyüp ^a   Türkozan, Oǧuz ^c   Baran, Ibrahim ^b   Stachowitsch, Michael ^d  

^a PAMUKKALE UNIVERSITY   (Turkey)

^b DOKUZ EYLUL UNIVERSITY   (Turkey)

^c ADNAN MENDERES UNIVERSITY   (Turkey)

^d UNIVERSITY OF VIENNA   (Austria)

Author keywords

[No Author keywords available]

Indexed keywords

ESTIMATION METHOD; HISTOLOGY; INCUBATION; NEST; NESTLING; SEX RATIO; TEMPERATURE; TURTLE;

ANIMAL EXPERIMENT; ARTICLE; HISTOLOGY; INCUBATION TIME; NESTING; NONHUMAN; SEASHORE; SEX RATIO; SURVIVAL; TEMPERATURE MEASUREMENT; TURKEY (REPUBLIC); TURTLE; WILDLIFE CONSERVATION;

ANIMALS; CLIMATE; FEMALE; MALE; NESTING BEHAVIOR; OVIPOSITION; SEAWATER; SEX RATIO; TEMPERATURE; TURKEY; TURTLES;

EURASIA; FETHIYE; MUGLA; TURKEY;

CARETTA CARETTA; CHELONIIDAE; TESTUDINES;

EID: 33745457971     PISSN: 00281042     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00114-006-0110-5     Document Type: Article

References (18)

1. Baptistotte C, Scalfoni JT, Mrosovsky N (1999) Male-producing thermal ecology of a southern loggerhead nesting beach in Brazil: implications for conservation. Anim Conserv 2:9-13
2. Godfrey MH, Barreto R, Mrosovsky N (1997) Metabolically-generated heat of developing eggs and its potential effect on sex ratio of sea turtle hatchlings. J Herpetol 31:616-619
3. Godley BJ, Broderick AC, Mrosovsky N (2001) Estimating hatchling sex ratios of loggerhead turtles in Cyprus from incubation durations. Mar Ecol Prog Ser 210:195-201
4. Hanson J, Wibbels T, Martin RE (1998) Predicted female bias in hatchling sex ratios of loggerhead sea turtles from a Florida nesting beach. Can J Zool 76:1850-1861
5. Hays GC, Ashworth JS, Barnsley MJ, Broderick AC, Emery DR, Godley BJ, Henwood A, Jones EL (2001) The importance of sand albedo for the thermal conditions on sea turtle nesting beaches. Oikos 93:87-95
6. Houghton JDR, Hays GC (2001) Asynchronous emergence by loggerhead turtle (Caretta caretta) hatchlings. Naturwissenschaften 88:133-136
7. Kaska Y (2000) Predation pattern of loggerhead and green turtle nests in the Eastern Mediterranean and its possible effect on sex ratio. Isr J Zool 46:343-349
8. Kaska Y, Downie JR (1999) Embryological development of sea turtles (Chelonia mydas, Caretta caretta) in the Mediterranean. Zool Middle East 19:55-69
9. Kaska Y, Downie JR, Tippett R, Furness R (1998) Natural temperature regimes for loggerhead and green turtle nests in the eastern Mediterranean. Can J Zool 76:723-729
10. Marcovaldi MA, Godfrey MH, Mrosovsky N (1997) Estimating sex ratios of loggerhead turtles in Brazil from pivotal incubation durations. Can J Zool 75:755-770
11. Matsuzawa Y, Sato K, Sakamoto W, Bjorndal KA (2002) Seasonal fluctuations in sand temperature: effects on the incubation period and mortality of loggerhead sea turtle (Caretta caretta) pre-emergent hatchlings in Minabe, Japan. Mar Biol 140:639-646
12. Mrosovsky N (1994) Sex ratios of sea turtles. J Exp Zool 270:16-27
13. Mrosovsky N, Pieau C (1991) Transitional range of temperature, pivotal temperatures and thermosensitive stages for sex determination in reptiles. Amphib-Reptil 12:169-179
14. Mrosovsky N, Kamel S, Rees AF, Margaritoulis D (2002) Pivotal temperature for loggerhead turtles (Caretta caretta) from Kyparissia Bay, Greece. Can J Zool 80:2118-2124
15. Öz M, Erdogan A, Kaska Y, Dusen S, Asian A, Sert H, Yavuz M, Tunc MR (2004) Nest temperatures and sex-ratio estimates of loggerhead turtles at Patara beach on the southwestern coast of Turkey. Can J Zool 82:94-101
16. Türkozan O, Baran I (1996) Research on the loggerhead turtle, Caretta caretta, of Fethiye beach. Turk J Zoolog 20:183-188
17. Wibbels T (2003) Critical approaches to sex determination in sea turtles. In: Lutz PL, Musick JA, Wyneken J (eds) The biology of sea turtles. CRC, Boca Raton, pp 103-134
18. Yntema CL, Mrosovsky N (1980) Sexual differentiation in hatchling loggerheads (Caretta caretta) incubated at different controlled temperatures. Herpetologica 36:33-36