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sea turtles

.::.:.::...::: Roldan A. Valverde :::...::.:.::.
Representative Publications

COPYRIGHT NOTICE: Reprints of published articles are provided as a service to enhance accessibility and the exchange of information. In downloading, you agree to comply with United States copyright law (Title 17, United States Code), such that the reprints are not to be "used for any purpose other than private study, scholarship, or research." All copyrights remain with the original publishers of the articles. Please make only a single copy of any article, for personal use only.

Bruno, R.S., Restrepo, J.A. and Valverde, R.A., 2020. Effects of El Niño Southern Oscillation and local ocean temperature on the reproductive output of green turtles (Chelonia mydas) nesting at Tortuguero, Costa Rica. Marine Biology, 167(9): 1-11

Bézy, V., Putman, N.F., Umbanhowar, J.A., Orrego, C.M., Fonseca, L.G., Quiros-Pereira, W., Valverde, R.A., and Lohmann, K.J. 2020. Mass-nesting events in olive ridley sea turtles: environmental predictors of timing and size. Animal Behaviour. 163: 85-94

Page-Karjian, A., Chabot, R., Stacy, N.I., Schenk, A., Valverde, R.A., Stewart, S., Coppenrath, C.M., Manire, C.A., Herbst, L.H., Gregory, C.R., Ritchie, B.W., and Perrault, J.R. 2020. Comprehensive health assessment of green turtles (Chelonia mydas) nesting in southeastern Florida demonstrates chelonid herpesvirus endemicity. Endangered Species Research. 42: 21–35

Putman, N.F., Seney, E.E., Verley, P., Shaver, D.J., López‐Castro, M.C., Cook, M., Guzmán, V., Brost, B., Ceriani, S.A.., Mirón, R.J.G.D., Peña, L.J., Tzeek, M., Valverde, R.A., et al., 2019. Predicted distributions and abundances of the sea turtle ‘lost years’ in the western North Atlantic Ocean. Ecography: 1-12

Donini, J., Lechowicz, C. and Valverde, R. 2018. Comparisons of Summer and Winter Patterns in Ovarian Development, Plasma Vitellogenin, and Sex Steroids in Female Diamondback Terrapins (Malaclemys terrapin) in Southern Florida. Chelonian Conservation and Biology, 17(2): 227-235

Fonseca, L.G., Tomillo, P.S., Villachica, W.N., Quirós, W.M., Pesquero, M., Heidemeyer, M., Joyce, F., Plotkin, P.T., Seminoff, J.A., Matarrita, E.R. and Valverde, R.A. 2018. Discovery of a Major East Pacific Green Turtle (Chelonia mydas) Nesting Population in Northwest Costa Rica. Chelonian Conservation and Biology, 17(2):169-176

Donini, J. Selman, W. Valverde, R.A. 2017. A Comparison of Reproductive Assessment Techniques to Determine the Reproductive Status of Female Diamondback Terrapins (Malaclemys terrapin). Herpetological Review 48: 763-766

Valverde, R.A. and Holzwart, K.R. 2017. Sea Turtles of the Gulf of Mexico. In: Habitats and Biota of the Gulf of Mexico: Before the Deepwater Horizon Oil Spill, pp. 1189-1351

Belskis, L., Frey, A., Jenson, M., LeRoux, R., and Stewart, K. compilers. 2016. Proceedings of the Thirty-Fourth Annual Symposium on Sea Turtle Biology and Conservation. NOAA Technical Memorandum NOAA NMFS-SEFSC-701: 262p. THIS IS NOT A PEER-REVIEWED DOCUMENT

Myre, B., Guertin, J., Selcer, K., and Valverde, R.A. 2016. Ovarian Dynamics in Free-Ranging Loggerhead Sea Turtles (Caretta caretta). Copeia. 104(4):921-929

Bézy, V.S., Girondot, M., and Valverde, R.A. 2016. Estimation of the net nesting effort of Olive Ridley arribada sea turtles based on nest densities at Ostional beach, Costa Rica. Journal of Herpetology. 50(3): 409-415

Escobar-Lasso, S., Fonseca, L. G., Villachica, W. N., Herrera, H., Valverde, R.A., Quirós-Pereira, W., ... & Plotkin, P. T. 2016. First field observation of the predation by Jaguar (Panthera onca) on Olive Ridley sea turtle (Lepidochelys olivacea) at Nancite Beach, Santa Rosa National Park, Costa Rica. Mammology Notes, 3(1): 20-23

Caillouet Jr, Charles W., Putman, N.F., Shaver, D.J., Valverde, R.A., et al. 2016. A Call for Evaluation of the Contribution Made by Rescue, Resuscitation, Rehabilitation, and Release Translocations to Kemp’s Ridley Sea Turtle (Lepidochelys kempii) Population Recovery. Herpetological Conservation and Biology 11 (2016): 486-496

Bézy VS, Valverde RA, Plante CJ (2015) Olive Ridley Sea Turtle Hatching Success as a Function of the Microbial Abundance in Nest Sand at Ostional, Costa Rica. PLoS ONE 10(2): e0118579

Bézy, V.S., Valverde, R.A. and Plante C.J. 2014. Olive Ridley Sea Turtle Hatching Success as a Function of Microbial Abundance and the Microenvironment of In Situ Nest Sand at Ostional, Costa Rica. Journal of Marine Biology, 2014: 1-10

Smelker, K., Smith, L., Arendt, M., Schwenter, J., Rostal, D., Selcer, K., & Valverde, R. (2014). Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean. Journal of Marine Biology, 2014: 1-10.

Valverde, R.A. et al. (2012) Olive Ridley Mass Nesting Ecology and Egg Harvest at Ostional Beach, Costa Rica. Chelonian Conservation and Biology, 11(1):1-11.

Becker, R.E., Valverde, R.A. and Crother, B.I. (2010). Proopiomelanocortin (POMC) and testing the phylogenetic position of turtles (Testudines). Journal of Zoological Systematics and Evolutionary Research, 1-12.

Cohn, W.B., Jones, R.A., Valverde, R.A., Leiner, K.A., MacKenzie, D.S. (2010). Molecular cloning and regulation of mRNA expression of the thyrotropin B and glycoprotein hormone A subunits in red drum, Sciaenops ocellatus. Fish Physiology & Biochemistry, 36: 1277-1290.

Valverde, R.A., Wingard, S., Gómez, F., Tordoir, M.T., and Orrego, C.M. (2010) Field lethal incubation temperature of olive ridley sea turtle Lepidochelys olivacea embryos at a mass nesting rookery. Endangered Species Reseacrh, 12: 77-86.

Fonseca, L.G., Murillo, G.A., Guadamúz, L., Spínola, R.M., Valverde, R.A. (2009). Downward but stable trend in the abundance of arribada olive ridley (Lepidochelys olivacea) sea turtles at Nancite Beach, Costa Rica for the period 1971-2007. Chelonian Conservation and Biology, 8(1):19-27.

Valverde, R.A., Selcer, K.W., Lara, R. and Sibaja, J. (2008) Lack of xenoestrogen-induced vitellogenin in male olive ridley sea turtles. Revista de Biologia Tropical, 56 (Suppl. 4): 49-57.

Valverde, R.A., Stabenau, E., and MacKenzie, D.S. (2007). Physiology of ridley sea turtles. In: “Biology and Conservation of ridley turtles”. Plotkin, P. (ed.). The Johns Hopkins University Press. Baltimore, pp. 119-149.

Seasholtz, A.F., Valverde, R.A., Denver, R.J. (2002). Corticotropin-releasing hormone-binding protein (CRH-BP): From fishes to mammals. Journal of Endocrinology, 175: 89-97.
Valverde, R.A., Denver, R.J., Cortright, D.N., and Seasholtz, A. (2001). Biochemical characterization and expression analysis of corticotropin-releasing hormone binding protein of Xenopus laevis. Molecular & Cellular Endocrinology, 173: 29-40.
Valverde, R.A., Owens, D.W., MacKenzie, D.S., and Amoss, M.S. (1999). Basal and stress-induced corticosterone levels in olive ridley sea turtles (Lepidochelys olivacea) in relation to their mass nesting behavior. The Journal of Experimental Zoology, 284: 652 662
Valverde, R.A. (1999). Letter to the editors: On the Ostional affair.  Marine Turtle Newsletter, 86: 6-8
Valverde, R.A. and Gates, C.E. (1999). Population surveys on mass nesting beaches.  In: Eckert, K., K. Bjorndal, A. Abreu and M. Donnelly (eds.).  Research and Management Techniques for the Conservation of Sea Turtles. IUCN/SSC Marine Turtle Specialist Group.  Pub. No. 4, pp. 56-60
Valverde, R.A., Cornelius, S.E., and Mo, C.L.  (1998). Decline of the olive ridley sea turtle (Lepidochelys olivacea) nesting assemblage at Nancite beach, Santa Rosa National Park, Costa Rica. Chelonian Conservation and Biology, 3: 58-63
Lahanas, P.N., Bjorndal, K.A., Bolten, A.B., Encalada, S.E., Miyamoto, M.M., Valverde, R.A., and Bowen, B.W. (1998). Genetic composition of a green turtle feeding ground population: Evidence for multiple origins. Marine Biology, 130: 345-352
Gates, C.E., Valverde, R.A., Mo, C., Chaves, A.C., Ballestero, J., and Peskin, J. 1996. Estimating arribada size using the instantaneous count procedure.  Journal of Agricultural, Biological and  Environmental Statistics 1(3): 275 287