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Thane Wibbels

Education:

  • B.S. University of Nebraska, 1978
  • M.S. University of Houston, 1982
  • Ph.D. Texas A&M University, 1988

Positions Held:

  • Postdoctoral Research Associate, University of Texas at Austin, 1988-1990
  • NIH National Research Service Award Fellow, University of Texas at Austin, 1990-1992
  • Lecturer, University of Texas at Austin, 1992
  • Assistant Professor, University of Alabama at Birmingham, 1993-1999
  • Associate Professor, University of Alabama at Birmingham, 1999-present

Publications:

Murdock, C. and T. Wibbels (in press) DRT1 expression in response to estrogen treatment in a reptile with temperature-dependent sex determination. Journal of Experimental Zoology.

Wibbels, T., K. Marion, A. Geis and D. Nelson (in press) Capture of juvenile sea turtles in the bay systems of Alabama. Proceedings of the 21st International Sea Turtle Symposium, Philadelphia

Geis, A., T. Wibbels, M.-R. Marquez, D.-M. Garduno, P. Burchfield and V.-J. Pena (in press) Predicted sex ratios of hatchling Kemp’s ridleys produced in egg corrals during the 1998, 1999 and 2000 nesting seasons. Proceedings of the 21st International Sea Turtle Symposium, Philadelphia, PA, February 24−28, 2001. NOAA  Publication NMFS−SEFSC.PA, February 24−28, 2001. NOAA Publication NMFS−SEFSC.

Shaver, D. and T. Wibbels (in press) Headstarting Ridley Sea Turtles. In P. Plotkin and S. Morreale (eds.), Biology of the Kemp’s Ridley Sea Turtle. Smithsonian Institution Press.

Wibbels, T. (in press) Sex Determination and Sex Ratio in Ridley Sea Turtles. In P. Plotkin and S. Morreale (eds.), Biology of the Kemp’s Ridley Sea Turtle. Smithsonian Institution Press.

Wibbels, T. and M. Vickery. 2004. Mammalian Physiology Lab Manual. Outernet Publishing, Eden Prairie, MN, USA. 94 pages.

Wibbels, T. and M. Vickery. 2004. Human Physiology Lab Manual. Outernet Publishing, Eden Pairie, MN, USA. 83 pages.

Wibbels T. 2003. Critical approaches to sex determination in sea turtle biology and conservation. In P. Lutz, J. Musik, J. Wynekan (eds.), Biology of Sea Turtles,  Volume 2, CRC Press. pp 103-134.

Wibbels, T., K. Marion, A. Geis, J. Estes, C. Murdock, D. Nelson and J. Askew. (2003) Locations and movements of juvenile sea turtles in the bay systems and coastal waters of Alabama. In J. Seminoff (ed.), Proceedings of the 22nd International Sea Turtle Symposium, NOAA Technical Memorandum NMFS-SEFSC 503:242-243..

Geis, A., T. Wibbels, M-R. Márquez, D-M. Garduño, P. Burchfield, V.-J. Peña, B. Schroeder, A. Quintero, J. Oritz and G. Molina (2003) Evaluation of sex ratios in egg corral and in situ nests during the 2001 Kemp’s ridley nesting season.  In J. Seminoff (ed.), Proceedings of the 22nd International Sea Turtle Symposium, NOAA  Technical Memorandum NMFS-SEFSC 503:188−189.

Murdock, C.A. and T. Wibbels (2003) Expression of Dmrt1 in a turtle with temperature-dependent sex determination. Cytogenetics and Genome Research 101:302−308.

Geis, A, T. Wibbels, B. Phillips, Z. Hillis-Starr, A. Meylan, P. Meylan, C. Diez, C and R. Van Dam. (2003)  Predicted sex ratio of juvenile hawksbill sea turtles inhabiting Buck Island Reef National Monument, U.S. Virgin Islands. Journal of Herpetology 37:400−404.

Murdock, C.A. and T. Wibbels. 2003. Cloning and expression of aromatase in a turtle with temperature-dependent sex determination. General and Comparative Endocrinology 130:109-119.

Rostal, D.C., T. Wibbels, J.S. Grumbles, V. Lance and J.R. Spotila. 2002. Chronology of sex determination in the desert tortoise (Gopherus agassizii). Chelonian Conservation and Biology 4:313-318.

Wibbels, T. 2003. Critical approaches to sex determination in sea turtle biology and conservation. In P. Lutz, J. Musik, J. Wynekan (eds.), Biology of Sea Turtles, Volume 2, CRC Press. pp 103-134.

Wibbels, T., K. Marion, A. Geis, J. Estes, C. Murdock, D. Nelson and J. Askew (in press) Locations and movements of juvenile sea turtles in the bay systems and coastal waters of Alabama. Proceedings of the 22nd International Sea Turtle Symposium, Miami, Florida, April 3-7, 2002. NOAA Publication NMFS-SEFSC.

Geis, A., T. Wibbels, T., M.R. Márquez, D.M. Garduño, P. Burchfield, V.J. Peña, B. Schroeder, A. Quintero, J. Oritz and G. Molina (in press) Evaluation of sex ratios in egg corral and in situ nests during the 2001 Kemp's ridley nesting season. Proceedings of the 22nd International Sea Turtle Symposium, Miami, Florida, April 3-7, 2002. NOAA Publication NMFS-SEFSC.

Rowell, C., S. Watts, T. Wibbels, G. Hines and G. Mair. 2002. Androgen and estrogen metabolism during sex differentiation in mono-sex populations of the Nile tilapia, Oreochromis niloticus. General and Comparative Endocrinology 125:151-162.

Wibbels, T., K. Marion, D. Nelson, J. Dindo and A. Geis (in press) Evaluation of the bay systems of Alabama as potential foraging habitat for juvenile sea turtles. Proceedings of the 20th International Sea Turtle Symposium, Orlando, Florida, February 29-March 4, 2000. NOAA Publication NMFS-SEFSC.

Geis, A., T. Wibbels, B. Phillips, Z. Hillis-Starr, A. Meylan, P. Meylan, C. Diez and R. VanDam (in press) Use of serum testosterone to evaluate the sex of juvenile hawksbill sea turtles inhabiting Buck Island Reef National Monument. Proceedings of the 20th International Sea Turtle Symposium, Orlando, Florida, February 29-March 4, 2000. NOAA Publication NMFS-SEFSC.

Wibbels, T., K. Marion, A. Geis and D. Nelson (in press) Capture of juvenile sea turtles in the bay systems of Alabama. Proceedings of the 21st International Sea Turtle Symposium, Philadelphia, Pennsylvania, February 24-28, 2001. NOAA Publication NMFS-SEFSC.

Geis, A., T. Wibbels, T., M.R. Marquez, D.M. Garduno, P. Burchfield and V.J. Pena (in press) Predicted sex ratios of hatchling Kemp's ridleys produced in egg corrals during the 1998, 1999, and 2000 nesting seasons. Proceedings of the 21st International Sea Turtle Symposium. Philadelphia, Pennsylvania, February 24-28, 2001. NOAA Publication NMFS-SEFSC.

Wibbels, T., D. Owens and C. Limpus. 2000. Sexing juvenile sea turtles: Is there an accurate and practical method? Chelonian Conservation and Biology 3:756-760.

Kalb, H. and T. Wibbels (compilers). 2000. Proceedings of the 19th Annual Symposium on Sea Turtle Conservation and Biology. U.S. Department of Commerce. NOAA Publication. NMFS-SEFC-443, 291 pages.

Rowell, C.B., G.C. Mair, G. Hines, T. Wibbels and S. Watts. 2000. Characterization of androstenedione and 17 B-estradiol metabolism during the proposed critical period of sex differentiation in the tilapia, Oreochromis niloticus. In B. Norberg, O.S. Kjesbu, G.L. Taranger, E. Anderson and S.O. Stefansson (eds), Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish. Berga Press, Norway. pp. 264.

Wibbels, T. and R. LeBouef. 2000. Development and evaluation of a sexing technique for hatchling sea turtles. Proceedings of the 18th International Sea Turtle Symposium, February, 1998, Mazatalan, Mexico. NOAA Publication. NMFS-SEFSC-436, pp. 292-293.

Hanson, J., T. Wibbels and R.E. Martin. 2000. Use of miniature temperature data loggers to estimate sex ratios of hatchling loggerhead sea turtles. Proceedings of the 18th International Sea Turtle Symposium, February, 1998, Mazatalan, Mexico. NOAA Publication. NMFS-SEFSC-436, pp. 136-138.

Wibbels, T., G.H. Balazs, D.M. Ellis and J. Hanson. 2000. Sand temperatures on green turtle nesting beaches in the Hawaiian Archipelago. Proceedings of the 18th International Sea Turtle Symposium, March, 1999, Padre Island, Texas. NOAA Publication. NMFS-SEFSC, pp. 131-133.

Wibbels, T., R. Márquez, M. Garduño, P. Burchfield and J. Pena. 2000. Incubation temperatures in Kemp's ridley nests during the 1998 nesting season. Proceedings of the 19th International Sea Turtle Symposium, March, 1999, Padre Island, Texas. NOAA Publication NMFS-SEFSC-443, pp. 133-134.

Wibbels, T. 1999. Diagnosing the sex of sea turtles in foraging habitats. In: Research and Management Techniques for the Conservation of Sea Turtles. K. Eckert, K. Bjorndal, and A. Abreu, M. Donnelly (eds), IUCN/SSC Marine Turtle Specialist Group Publication No. 4.

Fleming, A., T. Wibbels, J. Skipper and D. Crews. 1999. Developmental expression of steroidogenic factor 1 mRNA in the red-eared slider turtle, a species with temperature-dependent sex determination. General and Comparative Endocrinology 116:336-346.

Wibbels, T., C. Wilson and D. Crews. 1999. Mullerian duct development and regression in a turtle with temperature-dependent sex determination. Journal of Herpetology 33:149-152.

Wibbels, T., Z.M. Hillis-Starr and B. Phillips. 1999. Female-biased sex ratios of hatchling hawksbill sea turtles from a Caribbean nesting beach. Journal of Herpetology 33:142-144.

Hines, G.A., L.R. Boots, T. Wibbels and S.A. Watts. 1998. Steroid levels and steroid metabolism in relation to early gonadal development in the tilapia Oreochromis niloticus (Teleostei: Cyprinoidei). General and Comparative Endocrinology 114:235-248.

Wibbels, T., J. Cowan, and R. LeBoeuf. 1998. Temperature-Dependent Sex Determination in the Red-Eared Slider Turtle, Trachemys scripta. Journal of Experimental Zoology 281:409-416.

Hanson, J., T. Wibbels and R.E. Martin. 1998. Use of miniature temperature data loggers to estimate sex ratios of hatchling loggerhead sea turtles. Proceedings of the 18th International Sea Turtle Symposium, February 1998, Mazatalan, Mexico. NOAA, Technical Publications NMFS-SEFSC (in press).

Wibbels, T., D. Rostal and R. Byles. 1998. High pivotal temperature in the sex determination of the olive ridley sea turtle from Playa Nancite, Costa Rica. Copeia 1998:1086-1088.

Hanson, J., T. Wibbels and R.E. Martin. 1998. Predicted female bias in hatchling sex ratios of loggerhead sea turtles from a Florida nesting branch. Canadian Journal of Zoology 76:1850-1861.

Wibbels, T., J. Hanson, G. Balazs, Z-M. Hillis-Starr and B. Phillips. 1998. Blood sampling techniques for hatchling cheloniid sea turtles. Herpetological Review 29:218-220.

Hanson, J. and T. Wibbels. 1998. Examination of steroid hormone levels in hatchlings sea turtle blood and chorioallantoic fluid. Proceedings of the 17th Annual Sea Turtle Symposium, February 1997, Orlando, Florida. NOAA, Technical Publications NMFS-SEFSC 415:186-188.

Bergeron, J.M., M. Gahr, K. Horan, T. Wibbels and D. Crews. 1998. Cloning and in situ hybridization of estrogen receptor in the developing gonads of the red-eared slider turtle, a species with temperature-dependent sex determination. Development, Growth, and Differentiation 40:243-254.

Wibbels, T. 1998. Diagnosing the sex of sea turtles in foraging habitats. In K.K. Eckert, K. Bjorndal, and A. Abreu (eds.), Management and Research Techniques for Conservation of Sea Turtles. IUCN Press, Morges Switzerland (in press).

Wibbels, T. and Z.M. Hillis. (In Press). Estimation of hatchling sex ratios from Buck Island Reef National Monument. Proceedings of the 16th Annual Sea Turtle Symposium. February 1996, Hilton Head South, Carolina. NOAA, Technical Publications NMFS-SEFSC.

Wibbels, T. and R. LeBoeuf. 1998. Development of a mullerian-inhibiting hormone sexing technique in sea turtles (in press). Proceedings of the 17th Annual Sea Turtle Symposium. NOAA, Technical Publications NMFS-SEFC.

Wibbels, T. and D. Crews. 1995. Steroid-induced sex determination at temperatures producing mixed sex ratios in a turtle with TSD. General and Comparative Endocrinology 100:53-60.

Wibbels, T. and D. Crews. 1994. Putative aromatase inhibitor induces male sex determination in an all female unisexual lizard and in a turtle with TSD. Journal of Endocrinology 141:295-299.

Wibbels, T., J.J. Bull and D. Crews. 1994. Temperature-dependent sex determination: a mechanistic approach. Journal of Experimental Zoology 270:71-78.

Crews, D., J.M. Bergeron, J.J. Bull, D. Flores, A. Tousignant, J.K. Skipper and T. Wibbels. 1994. Temperature-dependent sex determination in reptiles: proximate mechanisms, ultimate outcomes, and practical applications. Developmental Genetics 15:297-312.

Crews, D., A. Tousignant, A. and T. Wibbels. 1994. Some considerations for inducing reproduction in captive reptiles. In: J.B. Murphy, K. Adler, and J.T. Colins (eds.), Captive Management and Conservation of Reptiles. Society for the Study of Amphibians and Reptiles, Ithaca, NY. Pages 133-145.

Wibbels, T., G. Balazs, D.W. Owens, D.W. and M.S. Amoss, Jr. 1993. Sex ratio of immature green sea turtles inhabiting the Hawaiian Archipelago. Journal of Herpetology 27:327-329.

Wibbels, T., P. Gideon, J.J. Bull and D. Crews. 1993. Estrogen- and temperature-induced medullary cord regression during gonadal differentiation in a turtle. Differentiation 53:149-154.

Crews, D., A. Tousignant, T. Wibbels and J.P. Ross, 1993. Hormonal determination of gender and behavior in reptiles. In: F.W. King and J.P. Ross (eds.), Crocodiles: Proceedings of the 11th Annual Working Meeting of the crocodile specialist group of the SSC of the International Union for Conservation-World Conservation Union. Gland, Switzerland, pp. 82-94.

Wibbels, T. J.J. Bull and D. Crews. 1992. Steroid hormone-induced male sex determination in an amniotic vertebrate. Journal of Experimental Zoology 262:454-457.

Wibbels, T. and D. Crews. 1992. Specificity of steroid hormone-induced sex determination in a turtle. Journal of Endocrinology 133:121-129.

Wibbels, T. 1992. Kemp's ridley sea turtles. Science 257:465 (letter to the editor).

Wibbels, T., D.W. Owens, P. Licht, C.J. Limpus, P.C. Reed and M.S. Amoss, Jr. 1992. Serum dynamics of gonadotropin and gonadal steroid concentrations associated with ovulation and egg production in sea turtles. General and Comparative Endocrinology 87:71-78.

Gahr, M., T. Wibbels and Crews, D. 1992. Sites of estrogen uptake in embryonic Trachemys scripta, a turtle with temperature-dependent sex determination. Biology of Reproduction 46:458-463.

Thomas, E.O., P. Licht, P., T. Wibbels and D. Crews. 1992. Hydroxysteroid dehydrogenase activity associated with sexual differentiation in embryos of the turtle Trachemys scripta. Biology of Reproduction 46:140-145.

Wibbels, T., J.J. Bull and D. Crews. 1991. Chronology and morphology of temperature-dependent sex determination. Journal of Experimental Zoology 260:371-381.

Wibbels, T., F. Killebrew and D. Crews. 1991. Sex determination in Cagle's map turtle: Evolutionary, developmental, and conservational implications. Canadian Journal of Zoology 69:2693-2696.

Wibbels, T., R.E. Martin, D. Owens and M.S. Amoss. 1992. Female-biased sex ratio of immature loggerhead sea turtles inhabiting the Atlantic coastal waters of Florida. Canadian Journal of Zoology 69:2973-2977.

Wibbels, T., J.J. Bull and D. Crews. 1991. Synergism of temperature and estradiol: A common pathway in turtle sex determination? Journal of Experimental Zoology 260: 130-134.

Wibbels, T., D.W. Owens and D. Rostal. 1991. Soft plastra of adult male sea turtles: An apparent secondary sexual characteristic. Herpetological Review 22:47-49.

Crews, D., J.J. Bull and T. Wibbels. 1991. Estrogen and sex reversal in turtles: A dose-dependent phenomenon. General and Comparative Endocrinology 81:357-364.

Wibbels, T., D. Owens, C.J. Limpus and M.S. Amoss. 1990. Seasonal changes in serum gonadal steroids associated with migration, mating, and nesting in loggerhead sea turtles. General and Comparative Endocrinology 79:154-164.

Wibbels, T. 1990. Panel review of Kemp's Ridley Headstart Program. Marine Turtle Newsletter 51:26-27.

Bull, J.J., T. Wibbels and D. Crews. 1990. Sex potencies vary among female incubation temperatures in a turtle. Journal of Experimental Zoology 256:339-341.

Wibbels, T. 1989. Shrimp trawl-induced mortality of sea turtles during short duration trawling. Marine Turtle Newsletter 47:3-5.

Wibbels, T.R., Y.A. Morris, D.W. Owens, C.A. Dienberg, J. Noell, M. Amoss, J.K. Leong and R. King. 1989. Predicted sex ratios from the international Kemp's ridley headstart program. In: Charles Caillouet and Andre Landry (eds.), Proceedings of the First International Symposium on Kemp's Ridley Sea Turtle Biology, Conservation and Management. Sea Grant Publication, pp. 77-81.

Crews, D., T. Wibbels and W.H.N. Gutzke. 1989. Action of sex steroid hormones on temperature-induced sex determination in the snapping turtle (Chelydra serpentina). General and Comparative Endocrinology 76:159-166.

Wibbels, T., D.W. Owens, Y.A. Morris and M.S. Amoss. 1987. Sexing techniques and sex ratios for loggerhead sea turtles captured along the Atlantic coast of the United States. In: Wayne N. Witzell (ed.), Ecology of the East Florida Sea Turtles. NOAA Publication, Springfield, VA, pp. 65-74.

Wibbels, T., D.W. Owens and M.S. Amoss. 1987. Seasonal changes in serum testosterone of loggerhead sea turtles captured along the Atlantic coast of the United States. In: Wayne N. Witzell (ed.), Ecology of East Florida Sea Turtles. NOAA Publication, Springfield, VA, pp. 59-64.

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