Sex ratios of loggerhead sea turtles Caretta caretta during the juvenile pelagic stage

Marine Biology

Volumn 157, Issue 5, 2010, Pages 979-990

  Delgado, Cláudia ^a,c   Canário, Adelino V M ^b   Dellinger, Thomas ^a  

^a UNIVERSITY OF MADEIRA   (Portugal)

^b UNIVERSITY OF ALGARVE   (Portugal)

^c UNIVERSITY OF PORTO   (Portugal)

Author keywords

[No Author keywords available]

Indexed keywords

JUVENILE; MORTALITY; PELAGIC ENVIRONMENT; SEX DETERMINATION; SEX RATIO; TURTLE;

CARETTA; CARETTA CARETTA; TESTUDINES;

EID: 77952421910     PISSN: 00253162     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00227-009-1378-8     Document Type: Article

References (85)

1. Abella E, Marco A, López Jurado LF (2007) Climate change and evolution of loggerhead sex-ratio in Cabo Verde. Book of Programme & Abstracts of the 14th European Congress of Herpetology. CIBIO & Societas Europaea Herpetologica, Porto (Portugal), pp 42.
2. Balazs GH (1999) Factors to consider in the tagging of sea turtles. In: Eckert KL, Bjorndal KA, Abreu-Grobois FA, Donnelly M (eds) Research and management techniques for the conservation of sea Turtles. IUCN/SSC Marine Turtle Specialist Group Publication No. 4, pp 101-109.
3. Bancroft JD, Stevens A (1990) Theory and practice of histological techniques. Churchill Livingstone, Edinburgh, p 726.
4. Bjorndal KA (1999) Priorities for Research in foraging habitats. In: Eckert KL, Bjorndal KA, Abreu-Grobois FA, Donnelly M (eds) Research and management techniques for the conservation of sea Turtles. IUCN/SSC Marine Turtle Specialist Group Publication No. 4, pp 12-14.
5. Bjorndal KA, Zug GA (1995) Growth and age of sea turtles. In: Bjorndal KA (ed) Biology and conservation of sea turtles (Revised Edition). Smithsonian Institution Press, Washington, D. C., pp 599-600.
6. Bjorndal KA, Bolten AB, Martins HR (2000) Somatic growth model of juvenile loggerhead sea turtles Caretta caretta: duration of pelagic stage. Mar Ecol Prog Ser 202: 265-272.
7. Bjorndal KA, Bolten AB, Koike B, Schroeder BA, Shaver DJ, Teas WG, Witzell WN (2001) Somatic growth function for immature loggerhead sea turtles, Caretta caretta, in southeastern U. S. waters. Fish Bull 99: 240-246.
8. Bjorndal KA, Bolten AB, Dellinger T, Delgado C, Martins HR (2003) Compensatory growth in oceanic loggerhead sea turtles: response to a stochastic environment. Ecology 84: 1237-1249.
9. Blanvillain G, Wood LD, Meylan AB, Meylan PA (2008) Sex Ratio Prediction of juvenile Hawksbill Sea Turtles (Eretmochelys imbricata) from South Florida. Herpetol Conserv Biol 3: 21-27.
10. Bolten A (2003a) Active swimmers - passive drifters: the oceanic juvenile stage of loggerheads in the Atlantic system. In: Bolten A, Witherington B (eds) Loggerhead sea turtles. Smithsonian Books, Washington, pp 63-78.
11. Bolten AB (2003b) Variation in Sea Turtle Life History Patterns: Neritic vs. Oceanic Developmental Stages. In: Lutz PL, Musick JA, Wyneken J (eds) The biology of sea turtles II. CRC Press, Boca Raton, pp 243-257.
12. Bolten AB, Bjorndal KA, Eliazar PJ, Gregory LF (1994) Seasonal abundance, size distribution, and blood biochemical values of loggerheads (Caretta caretta) in Port Canaveral Ship Channel, Florida. NOAA Technical Memorandum NMFS SEFSC 353: 1-39.
13. Bolten AB, Bjorndal KA, Martins HR, Dellinger T, Biscoito MJ, Encalada SE, Bowen BW (1998) Transatlantic developmental migrations of loggerhead sea turtles demonstrated by mtDNA sequence analysis. Ecol Appl 8: 1-7.
14. Booth DT, Burgess E, McCosker J, Lanyon JM (2004) The influence of incubation temperature on post-hatching fitness characteristics of turtles. Int Congr Ser 1275: 226-233.
15. Bowen BW, Karl SA (2007) Population genetics and phylogeography of sea turtles. Mol Ecol 16: 4886-4907.
16. Braun-Mcneill J, Epperly S, Owens D, Avens L, Williams E, Harms CA (2007) Seasonal reliability of testosterone radioimmunoassay (RIA) for predicting sex ratios of juvenile loggerhead (Caretta caretta) turtles. Herpetologica 63: 275-284.
17. Brongersma LD (1972) European Atlantic turtles. Zoologische Verhandelingen 121: 1-318.
18. Brongersma LD (1982) Marine turtles of the eastern Atlantic Ocean. In: Bjorndal KA (ed) Biology and conservation of sea turtles. Smithsonian Institution Press, Washington, D. C., pp 407-416.
19. Brongersma LD (1995) Marine Turtles of the Eastern Atlantic Ocean. In: Bjorndal KA (ed) Biology and conservation of sea turtles, Revised edition edn. Smithsonian Institution Press, Washington, D. C, pp 407-416.
20. Bull JJ, Charnov EL (1989) Enigmatic reptilian sex ratios. Evolution 43: 1561-1566.
21. Burgess EA, Booth DT, Lanyon JM (2006) Swimming performance of hatchling green turtles is affected by incubation temperature. Coral Reefs 25: 341-349.
22. Caldeira RMA, Russell P, Amorim A (2001) Evidence of an unproductive coastal front in Baia D'Abra, an embayment on the south east of Madeira Island, Portugal. Bull Mar Sci 69: 1057-1072.
23. Camiñas JA (1995) The loggerhead Caretta caretta (Linnaeus, 1758) pelagic movement through the Gibraltar Strait. Rapp Comm Int Mer Médit 34: 238.
24. Carr AF Jr (1986) New perspectives on the pelagic stage of sea turtle development. NOAA Tech Mem NMFS-SEFC-190, 36 p (reprinted in Conserv Biol 1987, 1: 103-121).
25. Carreras C, Pascual M, Cardona L, Aguilar A, Margaritoulis D, Rees A, Turkozan O, Levy Y, Gasith A, Aureggi M, Khalil M (2007) The genetic structure of loggerhead sea turtle (Caretta caretta) in the Mediterranean as revealed by nuclear and mitochondrial DNA and its conservation implications. Conserv Genet 8: 761-775.
26. Casale P, Laurent L, Gerosa G, Argano R (2002) Molecular evidence of male-biased dispersal in loggerhead turtle juveniles. JEMBE 267: 139-145.
27. Casale P, Freggi D, Basso R, Argano R (2005) Size at male maturity, sexing methods and adult sex ratio in loggerhead turtles (Caretta caretta) from Italian waters investigated through tail measurements. Herpetol J 15: 145-148.
28. Casale P, Lazar B, Pont S, Tomás J, Zizzo N, Alegre F, Badillo J, Di Summa A, Freggi D, Lackovi G, Raga JA, Rositani L, Tvrtkovi N (2006) Sex ratios of juvenile loggerhead sea turtles Caretta caretta in the Mediterranean Sea. Mar Ecol Prog Ser 324: 281-285.
29. Charnov EL, Bull JJ (1989a) Non-fisherian sex ratios with sex change and environmental sex determination. Nature 338: 148-150.
30. Charnov EL, Bull JJ (1989b) The primary sex ratio under environmental sex determination. J Theor Biol 139: 431-436.
31. Ciofi C, Swingland IR (1997) Environmental sex determination in reptiles. Appl Anim Behav Sci 51: 251-265.
32. Delgado C, Dellinger T, Varo N, Lopez-Jurado LF (2008) Preliminary approach to the hatchlings sex-ratio of a population of Caretta caretta of Boa Vista Island, Cape Verde Archipelago (Western Africa)-an update for 2004 season. In: Kalb H, Rohde AS, Gayheart K, Shanker Kc (eds) Proceedings of the twenty-fifth annual symposium on sea turtle biology and conservation. NOAA Technical Memorandum NMFS-SEFSC-582, pp 166-167.
33. Dellinger T (2007) Behavioural ecology and conservation of oceanic-stage sea turtles: the Madeira Island loggerhead sea turtle project. In: López Jurado LF, Loza AL (eds) Marine Turtles: recovery of extinct populations. Instituto Canario Ciencias Marinas, pp 95-109.
34. Dellinger T (2008) Tartarugas marinhas. In: Loureiro A, Ferrand de Almeida N, Carretero MA, Paulo OS (eds) Atlas dos Anfíbios e Répteis de Portugal. Instituto da Conservação da Natureza e Biodiversidade, Lisboa, pp 193-209.
35. Dellinger T, Ferreira T (2005) Diving behaviour of juvenile loggerhead sea turtles (Caretta caretta) and its relation to deep-sea longline fishing, in Madeiran Waters. Final Technical Report to the Portuguese Science Foundation FCT for project PDCTM-POCTI/P/MAR/15248/1999. Universidade da Madeira, Funchal.
36. Dellinger T, Davenport J, Wirtz P (1997) Comparisons of social structure of Columbus crabs living on loggerhead sea turtles and inanimate flotsam. J Mar Biol Assn Uk 77: 185-194.
37. Deraniyagala PEP (1939) Testudinates and crocodilians the tetrapod reptiles of Ceylon. Colombo Museum Nat Hist Series, Colombo, Ceylon, p 412.
38. Diez CE, van Dam RP (2003) Sex ratio of an immature hawksbill seaturtle aggregation at Mona Island, Puerto Rico. J Herpetol 37: 533-537.
39. Fisher RA (1930) The genetical theory of natural selection. Clarendon Press, Oxford.
40. Frazer NB (1983) Survivorship of adult female loggerhead sea turtles (Caretta caretta) nesting on Little Cumberland Island, Georgia, USA. Herpetologica 39: 436-447.
41. Freedberg S, Wade MJ (2001) Cultural inheritance as a mechanism for population sex-ratio bias in reptiles. Evolution 55: 1049-1055.
42. Geldiay R, Koray T, Balik S (1982) Status of sea turtle populations (Caretta c. caretta and Chelonia m. mydas) in the northern Mediterranean Sea, Turkey. In: Bjorndal K (ed) Biology and conservation of sea turtles. Smithsonian Inst. Press, Washington, D. C., pp 425-434.
43. Hamilton WD (1967) Extraordinary sex ratios. Science 156: 477-488.
44. Hawkes LA, Broderick AC, Godfrey MH, Godley BJ (2007) Investigating the potential impacts of climate change on a marine turtle population. Glob Chang Biol 13: 923-932.
45. Hays GC, Marsh R (1997) Estimating the age of juvenile loggerhead sea turtles in the North Atlantic. Can J Zool 75: 40-46.
46. Heppell SS, Limpus CJ, Crouse DT, Frazer NB, Crowder LB (1996) Population model analysis for the loggerhead sea turtle, Caretta caretta, in Queensland. Wildl Res 23: 143-159.
47. Hopkins-Murphy SR, Owens DW, Murphy TM (2003) Ecology of Immature Loggerheads on Foraging Grounds and Adults in Internesting Habitat in the Eastern United States. In: Bolten A, Witherington B (eds) Loggerhead sea turtles. Smithsonian Books, Washington, pp 79-92.
48. Hughes GR (1974) The sea turtles of south-east Africa. I. Status, morphology and distributions. Investl Rep Oceanogr res Inst Durban 35: 4-137.
49. Limpus CJ, Limpus DJ (2003) Biology of the Loggerhead Turtle in Western South Pacific Ocean Foraging Areas. In: Bolten A, Witherington B (eds) Loggerhead sea turtles. Smithsonian Books, Washington, pp 93-113.
50. Limpus CJ, Miller JD, Reed P (1982) Intersexuality in a loggerhead sea turtle, Caretta caretta. Herpetol Rev 13: 32-33.
51. Limpus CJ, Couper P, Read MA (1994a) The loggerhead turtle, Caretta caretta, in Queensland: population structure in a warm temperate feeding area. Mem Queensl Mus 37: 195-204.
52. Limpus CJ, Couper PJ, Read MA (1994b) The green turtle, Chelonia mydas, in Queensland: population structure in a warm temperate feeding area. Mem Queensl Mus 35: 139-154.
53. López Jurado LF (2007) Historical review of the archipelagos of Macaronesia and the marine turtles. In: López Jurado LF, Loza AL (eds) Marine Turtles: recovery of extinct populations. Instituto Canario Ciencias Marinas, pp 51-76.
54. Margaritoulis D, Argano R, Baran İ, Bentivegna F, Bradai MN, Caminas JA, Casale P, De Metrio G, Demetropoulos A, Gerosa G, Godley BJ, Haddoud DA, Houghton J, Laurent L, Lazar B (2003) Loggerhead turtles in the Mediterranean Sea: present knowledge and conservation perspectives. In: Bolten AB, Witherington BE (eds) Loggerhead sea turtles. Smithsonian Books, Washington D. C., pp 175-198.
55. McClellan CM, Read AJ (2007) Complexity and variation in loggerhead sea turtle life history. Biol Lett 3: 592-594.
56. Merchant-Larios H (1999) Determining hatchling sex. In: Eckert KL, Bjorndal KA, Abreu-Grobois FA, Donnelly M (eds) Research and management techniques for the conservation of sea Turtles. IUCN/SSC Marine Turtle Specialist Group Publication No. 4, pp 130-135.
57. Miller JD, Limpus CJ (2003) Ontogeny of Marine Turtle Gonads. In: Lutz PL, Musick JA, Wyneken J (eds) The biology of sea turtles. CRC Press, Boca Raton, pp 199-224.
58. Miller JD, Limpus CJ, Godfrey MH (2003) Nest Site Selection, Oviposition, Eggs, Development, Hatchling, and Emergence of Loggerhead Turtles. In: Bolten A, Witherington B (eds) Loggerhead sea turtles. Smithsonian Books, Washington, pp 125-143.
59. Mrosovsky N, Benabib M (1990) An assessment of two methods of sexing hatchling sea turtles. Copeia 1990: 589-591.
60. Mrosovsky N, Provancha J (1989) Sex ratio of loggerhead sea turtles hatching on a Florida beach. Can J Zool 67: 2533-2539.
61. Mrosovsky N, Yntema CL (1995) Temperature Dependence of Sexual Differentiation in Sea Turtles: Implications for Conservation Practices. In: Bjorndal KA (ed) Biology and conservation of sea turtles, Revised edition edn. Smithsonian Institution Press, Washington, D. C, pp 59-65.
62. Murphy TM, Hopkins-Murphy SR (1989) Sea turtle & shrimp fishing interactions: a summary and critique of relevant information. Center for Marine Conservation, Washington, D. C.
63. Musick JA, Limpus CJ (1997) Habitat utilization and migration in juvenile sea turtles. In: Lutz PL, Musick JA (eds) The biology of sea turtles. CRC Press, Boca Raton, pp 137-163.
64. Oliveira ME, Brito JC, Dellinger T, Ferrand de Almeida N, Loureiro A, Martins HR, Pargana J, Paulo OS, Rito P, Teixeira J (2005) Caretta caretta Tartaruga-comum. In: Cabral MJ, Almeida J, Almeida PR, Dellinger T, Ferrand de Almeida N, Oliveira ME, Palmeirim JM, Queiroz AI, Rogado L, Santos-Reis M (eds) Livro Vermelho dos Vertebrados de Portugal. Instituto da Conservação da Natureza, Lisboa, pp 123-124.
65. Owens D (1997) Hormones in the life history of sea turtles. In: Lutz PL, Musick JA (eds) The biology of sea turtles. CRC Press, Boca Raton, pp 315-341.
66. Owens DW (1999) Reproductive cycles and endocrinology. In: Eckert KL, Bjorndal KA, Abreu-Grobois FA, Donnelly M (eds) Research and management techniques for the conservation of sea Turtles. IUCN/SSC Marine Turtle Specialist Group Publication No. 4, pp 119-123.
67. Owens DW, Hendrickson JR, Lance V, Callard IP (1978) A technique for determining sex of immature Chelonia mydas using a radio immunoassay. Herpetologica 34: 271-273.
68. Parham JF, Zug GR (1997) Age and growth of loggerhead sea turtles (Caretta caretta) of Coastal Georgia: an assessment of skeletochronological age-estimates. Bull Mar Sci 61: 287-304.
69. Pritchard PCH, Trebbau P (1984) The Turtles of Venezuela. Society for the study of amphibians and reptiles, No. 2.
70. Seger J, Stubblefield JW (2002) Models of sex ratio evolution. In: Hardy ICW (ed) Sex ratios: concepts and research methods. Cambridge University Press, Cambridge, pp 2-25.
71. Turtle Expert Working Group (1998) An assessment of Kemp's ridley (Lepidochelys kempii) and loggerhead (Caretta caretta) sea turtle populations in the western North Atlantic. NOAA Technical Memorandum NMFS-SEFSC-409.
72. Uchida I (1967) On the growth of the loggerhead turtle, Caretta caretta, under breeding conditions. Bull Jap Soc Fish 33: 497-506.
73. West SA, Reece SE, Sheldon BC (2002) Sex ratios. Heredity 88: 117-124.
74. Wibbels T (1999) Diagnosing the sex of Sea Turtles in foraging habitats. In: Eckert KL, Bjorndal KA, Abreu-Grobois FA, Donnelly M (eds) Research and management techniques for the conservation of sea Turtles. IUCN/SSC Marine Turtle Specialist Group Publication No. 4, pp 139-143.
75. 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 Press, Boca Raton, pp 103-134.
76. Wibbels T, Owens DW, Amoss MS (1987a) Seasonal changes in the serum testosterone titers of loggerhead sea turtles captured along the Atlantic coast of the United States. In: Witzell WN (ed) Ecology of East Florida Sea Turtles. Proceedings of the Cape Canaveral, Florida, Sea Turtle Workshop. NOAA Technical Report, Miami, Florida, pp 59-64.
77. Wibbels T, Owens DW, Morris YA, Amoss MS (1987b) Sexing techniques and sex ratios for immature loggerhead sea turtles captured along the Atlantic coast of the United States. In: Witzell WN (ed) Ecology of East Florida Sea Turtles. Proceedings of the Cape Canaveral, Florida, Sea Turtle Workshop. NOAA Technical Report, Miami, Florida, pp 65-74.
78. Wibbels T, Martin RE, Owens DW, Amoss MS Jr (1991) Female-biased sex ratio of immature loggerhead sea turtles inhabiting the Atlantic coastal waters of Florida. Can J Zool 69: 2973-2977.
79. Wood FE, Critchley KH, Wood JR (1982) Anesthesia in the green sea turtle, Chelonia mydas. Am J Vet Res 43: 1882-1883.
80. Wood JR, Wood FE, Critchley KH, Wildt DE, Bush M (1983) Laparoscopy of the green sea turtle, Chelonia mydas. Br J Herpetol 6: 323-327.
81. Wyneken J, Epperly S, Heppell S, Crowder L (2006) The importance of annual variation in understanding sea turtle sex ratios. In: Frick M, Panagopoulou A, Rees AF, Williams K (eds) Book of abstracts. Twenty-sixth annual symposium on sea turtle biology and conservation. International Sea Turtle Society, Athens, Greece, pp 336-337.
82. Wyneken J, Epperly SP, Crowder LB, Vaughan J, Esper KB (2007) Determining sex in posthatchling loggerhead sea turtles using multiple gonadal and accessory duct characteristics. Herpetologica 63: 19-30.
83. Yasutake WT, Wales JH (1983) Microscopic anatomy of Salmonids: an atlas. U. S. Department of the Interior, Washington, D. C.
84. Yntema CL, Mrosovsky N (1980) Sexual differentiation in hatchling loggerheads Caretta caretta incubated at different controlled temperatures. Herpetologica 36: 33-36.
85. Yntema CL, Mrosovsky N (1982) Critical periods and pivotal temperatures for sexual differentiation in loggerhead sea turtles Caretta caretta. Can J Zool 60: 1012-1016.