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 Available Publications

  • Arauz, R. M and I. Naranjo. 1993.  Hatching success of leatherback turtles (Dermochelys coriacea) in the leatherbacks of Guanacaste Marine National Park, Costa Rica.  In Schroeder, B.A. and B.E. Witherington (Compilers).  1994.  Proceedings fo the Thirteenth Annual Symposium on Sea Turtle Biology and Conservation.  NOAA Technical Memorandum NMFS-SEFSC-341, 281 pp.
  • Arauz, R. M.  1996.  Action Plan for the La Flor National Wildlife Refuge, Rivas, Nicaragua.  Submitted to the Wildlife Office of the Ministry of Environment (MARENA) of Nicaragua.  Sea Turtle Restoration Project, Earth Island Institute.
  • Steyermark, A., K. Williams, J.R. Spotila, F.V. Paladino, D.C. Rostal, S. Morreale, M.T. Koberg, and R. Arauz.  1996.  Nesting Leatherbacks at Las Baulas National Park, Costa Rica.  Chelonian Conservation and Biology, 2 (2).
  • Arauz, R., R. Vargas, I. Naranjo, and C. Gamboa.  1997.  Analysis of the incidental capture and mortality of sea turtles in the shrimp fleet of Pacific Costa Rica.  In Epperly, S.P. and J. Braun compilers.  1998.  Proceedings of the SeventeenthAnnualSea Turtle Symposium.  U.S. Dep. Commer.  NOAA Tech. Memo.  NMFS-SEFSC-415, 294 pg.
  • Arauz, R., I. Naranjo, R. Rojas and R. Vargas.  1997.  Evaluation of the Super Shooter and Seymour Turtle Excluder Devices with different deflector bar spacing in the shrimp fishery of Pacific Costa Rica.  In Epperly, S.P. and J. Braun compilers.  1998.  Proceedings of the SeventeenthAnnualSea Turtle Symposium.  U.S. Dep. Commer.  NOAA Tech. Memo.  NMFS-SEFSC-415, 294 pg.
  • Ballestero, J., R. Arauz, and R. Rojas.  1998.  Management, conservation, and sustained use of olive ridley sea turtle eggs (Lepidochelys olivacea) in the Ostional Wildlife Refuge. Costa Rica: an 11 year review.  In Abreu-Grobois, F.A., R. Briceño-Dueñas, R. Márquez, and L. Sarti, compilers.  2000.  Proceedings of the EighteenthInternationalSea Turtle Symposium.  U.S. Dep. Commer. NOAA, Tech Memo.  NMFS-SEFSC-436, 293 pg.
  • Steiner T., R. Arauz, and P. Martínez.  1998.  First Record of Fibropapilloma on an Olive Ridley Turtle in Nicaragua.  Chelonian Conservation and Biology, 3 (1).
  • Arauz, R.  1998.  Implementation of the turtle excluder device (TED) by the shrimp fleet of Pacific Central America. In Abreu-Grobois, F.A., R. Briseño-Dueñas, R. Márquez, and L. Sarti, compilers.  2000.  Proceedings of the EighteenthAnnualSea Turtle Symposium.  US Dept. Commer. NOAA Tech. Memo. NMFS-SEFSC-436, 293 pp.
  • Mehta, S., A. Russel and R. Arauz.  1999.  Solitary nesting activity in the Ostional Wildlife Refuge, Costa Rica, and the impact of poaching (during solitary nesting) and harvesting (during arribadas) on olive ridley sea turtle nests (Lepidochelys olivacea).  1999.  In Kalb, H.J. and T. Wibbels, compilers.  2000.  Proceedings of the Nineteenth Annual Symposium on Sea Turtle Biology and Conservation.  US Dept. Commerce.  NOAA Tech Memo. NMFS-SEFSC-443, 291 p.
  • Russel, A., S. Mehta, and R. Arauz.  1999.  Analysis of synchronized mass nesting activity (arribada) by olive ridley sea turtles (Lepidochelys olivacea) in the Ostional Wildlife Refuge, Guanacaste, Costa Rica.  1999.  In Kalb, H.J. and T. Wibbels, compilers.  2000.  Proceedings of the Nineteenth Annual Symposium on Sea Turtle Biology and Conservation.  US Dept. Commerce.  NOAA Tech Memo. NMFS-SEFSC-443, 291 p.
  • Arauz, R.  2001.  Incidental capture of sea turtles by high seas longline pelagic fisheries in Costa Rica’s Exclusive Economic Zone (EEZ) – A second look.  In Coyne, M.S., and R.D. Clark, compilers.  2004.  Proceedings of the Twenty First Annual Symposium on Sea Turtle Biology and Conservation.  NOAA Tech Mem. NMFS-SEFSC-528, 368 p.
  • Naranjo, I., and R. Arauz.  2001.  Inter and intraseasonal nesting intervals of solitary nesting olive ridley sea turtles in Punta Banco, Puntarenas, and San Miguel, Guanacaste, Costa Rica, from 1996 to 2000.  In Coyne, M.S., and R.D. Clark, compilers.  2004.  Proceedings of the Twenty First Annual Symposium on Sea Turtle Biology and Conservation.  NOAA Tech Mem. NMFS-SEFSC-528, 368 p.
  • Chacón D, y R. Arauz.  2001.  Diagnóstico Regional y Planificación Estratégica Para la Conservación de las Tortugas Marinas en Centroamérica.  Red Regional para la Conservación de las Tortugas Marinas en Centroamérica.  Fundación Acceso y el Programa Regional Ambiental para Centroamérica USAID / G-CAP.
  • Arauz, R.  2002.  Tico TED: Process for Approval.  In Seminoff, J.A., compiler.  2003.  Proceedings of the Twenty Second Annual Symposium on Sea Turtle Biology and Conservation.  NOAA  Technical Memorandum NMFS-SEFSC-503, 308.
  • Arauz, R.M.  2002.  Catch rates and species composition of sharks caught during the high seas pelagic mahi mahi (Coryphaena hippurus) longline fishery and the demersal coastal shark longline fishery, in the Exclusive Economic Zone of Costa Rica.  Shark Conference 2002: Sustainable Utilization and Conservation of Sharks, Taipei, Taiwan, May 13-16, 2002.
  • Arauz, R., J. Ballestero, and A. Bolaños.  2004.  Species composition, catch rates, and destiny of sea turtles captured during two 6 month observer programs on-board high seas mahi mahi (Coryphaena hippurus) longline vessels operating in the Exclusive Economic Zone of Costa Rica.  Twenty Fourth Annual Symposium on Sea Turtle Biology and Conservation.  San José, Costa Rica.  February, 2004.
  • Arauz, R., Y. Cohen, J. Ballestero, A. Bolaños, M. Pérez.  2004.  Decline of Shark Populations in the Exclusive Economic Zone of Costa Rica.  International Symposium on Marine Biological Indicators for Fisheries Management.  UNESCO, FAO.  Paris, France.  March, 2004
  • Swimmer, Y., R. Arauz, B. Higgins, L. McNaughton, M. McCracken, J. Ballestero, R. Brill.  2005.  Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries?  Mar Ecol Prog Ser.  Vol. 295: 273–278, 2005
  • Gaos, A.R., R. Arauz, and I. Yañez, 2006. Hawksbill turtles on the Pacific coast of Costa Rica. Marine Turtle Newsletter 112:14
  • Swimmer, Y., Arauz, R., McCracken. M., McNaughton. L., Ballestero, J., Musyl, M., Bigelow. K., Brill, R.  2006.  Diving behavior and delayed mortality of olive ridley sea turtles Lepidochelys olivacea after their release from longline fishing gear.  Mar Ecol Prog Ser .  Vol. 323: 253–261, 2006
  • Kohin, S., R. Arauz, D. Holts, and R. Vetter.  2006.  Preliminary Results:  Behavior and habitat preferences of silky sharks (Carcharhinus falciformis) and a big eye threser shark (Alopias superciliosus) tagged in the Eastern Tropical Pacific.  En Rojas and Zanela (editors).  Memoria:  Primer seminario taller del estado del conocimiento de la condrictiofauna de Costa Rica.  Instituto Nacional de Biodiversidad INBIO.  Santo Domingo de Heredia, Costa Rica.  2 de Febrero, 2006
  • Arauz, R., A. López, I. Zanela, J. Ballestero, and A. Bolaños.  2007.  Relative abundance trends of sea turtles in the mahi mahi longline fishery of Costa Rica; 1999-2005.  In Rees, A.F., M. Frick, A. Panagopoulou and K. Williams., (compilers)  2008.  Proceedings of the Twenty-Seventh Annual Symposium on Sea Turtle Biology and Conservation.  NOAA Technical Memorandum NMFS-SEFSC-569, 262 p.
  • Cornelius, S.E., R. Arauz, J. Fretey, M.H.Godfrey, R. Márquez-M, and K. Shanker.  2007.  Effect of land based harvest of Lepidochelys.  Chapter 12.  In  Biology and Conservation of Ridley Sea Turtles.  Pamela Plotkin (editor).  The JohnHopkinsUniversity Press.  Baltimore.
  • Frazier, J., R. Arauz, J. Chevalier, J. Fretey, M. H. Godfrey, R. Marquez-M, B. Pandav, and J. Shanker.  2007.  Human Turtle Interactions at Sea.  Chapter 13.  In  Biology and Conservation of Ridley Sea Turtles.  Pamela Plotkin (editor).  The JohnHopkinsUniversity Press.  Baltimore.
  • Klimley, P., R. Arauz, S. Bessudo, A. Hearn, H. Guzman, S. Henderson, J. Ketchum, G. Shillinger, and G. Soler .  2008.  Movements of sharks at seamounts and island, biotic “hot spots”, relative to marine protected areas in the eastern Pacific Ocean Corridor.  American Association for the Advancement of Science.  Annual Meeting.  12-16 February, 2008. Chicago, Illinois.
  • López, A., R. Arauz, I. Zanella  y L.  Le Foulgo.  2009.  Análisis de las capturas de tiburones y rayas en las pesquerías artesanales de Tárcoles, Pacífico Central de Costa Rica.  Rev. Mar. y Cost. ISSN 1659-455X. Vol. 1. 145-157, Diciembre 2009.
  • Zanella, I., A. López, y R. Arauz.  2009.  Caracterización de la pesca del tiburón martillo, Sphyrna lewini, en la parte externa del Golfo de Nicoya, Costa Rica.  Rev. Mar. y Cost. ISSN 1659-455X. Vol. 1. 175-195, Diciembre 2009.
  • Arauz, R.  2010.  Telemetría de tortugas marinas y Áreas Marinas Protegidas en el Pacífico de Costa Rica.  En:  B Wallace & E. Utreras (eds).  Informe sobre el ESTADO DE LAS TORTUGAS MARINAS del Pacífico Este Tropical.  Conservación Internacional, Quito, Ecuador, Vol. 1 pp 16-17.
  • Arauz, R.  2010.  Informe Nacional, Conservación de Tiburones en Costa Rica.  En: A Hearn, E Utreras & S. Henderson (eds.).  Informe sobre el estado de los tiburones del Pacífico Este Tropical.  Conservación Internacional, Quito, Ecuador, Vol. 1 pp 20-21.
  • Arauz, R., A. Barquero, A. Navia.  2010.  La Pesca y el Tiburón.  En: A Hearn, E Utreras & S. Henderson (eds.).  Informe sobre el estado de los tiburones del Pacífico Este Tropical.  Conservación Internacional, Quito, Ecuador, Vol. 1 pp 26-27.
  • Zanella, I., A. López y R. Arauz.  2010.  La alimentación de tiburones martillo jóvenes (Sphyrna lewini) capturados en el Golfo de Nicoya, Costa Rica. Bol. Invest. Mar. Cost.  39 (2) 457-464.  ISSN 0122-9761.
  • Gaos, A. R., F.A. Abreu-Grobois, J. Alfaro-Shigueto, D. Amorocho, R . Arauz, A. Baquero, R. Briseño, D. Chacón, C. Dueñas, C. Hasbún, M. Liles, G. Mariona, C. Muccio, J .P. Muñóz, W.J. Nichols, M. Peña, J.A. Seminoff, M. Vásquez, J. Urteaga, B. Wallace, I.L. Yánez, and P. Zárate.  2010.  Signs of hope in the eastern Pacific: international collaboration reveals encouraging status for the severely depleted population of hawksbill turtles Eretmochelys imbricata.  Fauna & Flora International, Oryx, The International Journal of Conservation.  Page 1 of 7.  doi:10.1017/S0030605310000773.
  • Swimmer, Y., R. Arauz, J. Wang, J. Suter, M. Musyl, A. Bolaños, and A. López.  2010  Comparing the effects of offset and non-offset circle hooks on catch rates of fish and sea turtles in a shallow longline fishery.  Aquatic Conserv: Mar. Freshw. Ecosyst. (2010) Published online in Wiley InterScience (www.interscience.wiley.com). DOI: 10.1002/aqc.1108
  • Bessudo. S., G.A. Soler, A. P. Klimley, J. T. Ketchum, A. Hearn, & R. Arauz.  2011.  Residency of the scalloped hammerhead shark (Sphyrna lewini) at Malpelo Island and evidence of migration to other islands in the Eastern Tropical Pacific.  Environ.  Biol. Fish.  DOI 10.1007/s10641-011-9769-3.
  • Swimmer, Y., J. Suter, R. Arauz, K. Bigelow, A. López, I. Zanela, A. Bolaños, J. Ballestero, R. Suárez, J. Wang, and C. Boggs.  2011.  Sustainable fishing gear: the case of modified circle hooks in a Costa Rican longline fishery.  Mar Biol (2011) 158:757–767.  DOI 10.1007/s00227-010-1604-4
  • Whoriskey, S., R. Arauz, J. Baum.  2011.  Potential impacts of emerging mahi-mahi fisheries on sea turtle and elasmobranch bycatch species.  Biological Conservation 144 (2011) 1841–1849
  • Bessudo S., G. A. Soler, P. A. Klimley, J. Ketchum, R. Arauz, A. Hearn, A. Guzmán, and B. Calmettes.  2011.  Vertical and horizontal movements of the scalloped hammerhead shark (Sphyrna lewini) around Malpelo and Cocos Islands (Tropical Eastern Pacific) using satellite telemetry.  Boletín de Investigaciones Marinas y Costeras (ISSN 0122 9761). Vol 40.
  • Seminoff, J.A., Alfaro-Shigueto, J., D. Amorrocho, R. Arauz, A. Barquero Gallegos, D. Chacón Chaverri, A. R. Gaos, S. Kelez, J.C. Mangel, J. Urteaga, and B. P. Wallace.  2012.  Biology and Conservation of Sea Turtles in the Eastern Tropical Pacific Ocean:  A General Overview.  In: Sea Turtles of the Eastern Pacific.  Advances in Research and Conservation.  Jeffry A. Seminoff and Bryan P. Wallace (editors).  Arizona-Sonora Desert Museum Studies in Natural History.
  • Viejobueno, S., C. Adams, y R. Arauz.  2012.  Oportunidades para el desarrollo sostenible de las comunidades costeras de Nandayure (Nicoya sur, Guanacaste).  Ambientales.  Revista Semestral de la Escuela de Ciencias Ambientales, Universidad Nacional.  41, Artículo 5, pg 37-46.  ISSN 1409-2158.
  • Ramos, J., C. Pincetich, L. Adams, K. Comer Santos, J. Hage & R. Arauz.  2012.  Quantification and Recommended Management of Man-Made Debris Along the Sea Turtle Nesting Beach at Playa Caletas, Guanacaste, Costa Rica.  Marine Turtle Newsletter 134:12-17.
  • Arauz, R., Y. Swimmer, C. Boggs, A. Bolaños, and J. Madrigal.  2012.  Field studies to evaluate the efficiency of alternative hooks that facilitate the release of sea turtles and other bycatch species in the Pacific longline mahi -mahi fishery of Golfito , Costa Rica.  International Symposium on Circle Hooks in Research, Management and Conservation.  Bulletin of Marine Science.  88(3):791–815. 2012.
  • Dapp, D., R. Arauz, J. Spotila and M.P. O’Connor.  2013. Impact of the Costa Rican longline fishery on its by catch of sharks, stingrays, bony fish and olive ridley turtles (Lepidochelys olivacea).  Journal of Experimental Marine Biology and Ecology 448 (2013) 228–239.
  • Mongeon, C., E. F. Granek, and R. Arauz.  2013  Hook selectivity in an artisanal spotted rose snapper (Lutjanus guttatus) fishery on the Nicoya peninsula, Costa Rica.  Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science, 5:1, 270-280.
  • Carrión-Cortéz, J., C.Canales-Cerro, R. Arauz, and R. Ríosmena-Rodríguez.  2013.  Habitat use and diet of juvenile Eastern Pacific hawksbill turtles (Eretmochelys imbricata) in the north Pacific coast of Costa Rica.  Chelonian Biology and Conservation.  Dec 2013. Vol 12, Issue 2, pg(s) 235-245 doi: 10.2744/CCB-1024.1
  • Ketchum, J.T., A. Hearn, A. P. Klimley, C. Peñaherrera, E. Espinoza, S. Bessudo, G. Soler, and R. Arauz.  2014.  Inter‑island movements of scalloped hammerhead sharks (Sphyrna lewini) and seasonal connectivity in a marine protected area of the eastern tropical Pacific.  Mar Bio. International Journal on Life in Oceans and Coastal Waters.  ISSN 0025-3162.  DOI 10.1007/s00227-014-2393-y