Presentations at Sea Turtle Symposiums & Conferences

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38rd Annual Sea Turtle Symposium, Kobe, Japan – 2018
• Daniel R Evans, Raymond R Carthy, and Cristina Ordoñez. Which Way Do You Go: Satellite Telemetry Reveals Regionally Different Foraging Behavior Of Leatherback Turtles

• Raúl Garcia, Cristina Ordoñez, Jaime Restrepo, and Roldán Valverde. Comparison Of Hatching Success Of Leatherback Sea Turtles (Dermochelys Coriacea) At Tortuguero Beach In Costa Rica And Soropta Beach In Panama

• Guillermo López Torrents and Yesuri Betzaida Pino Cortez. Potential Impact Of Lionfish (Pterois Spp.) On Development Habitats Of Sea Turtles And Population Control Strategies In Bocas Del Toro, Panama

• Georgina Zamora Quílez. A Plastic Bag Banning Process: Convincing A Local Community And Government To Stop Using Single-Use Plastic Bags In A Nesting Area In The  Panamanian Caribbean

• Cristina Ordoñez, Xavier Ow Young, Anne Meylan, Peter Meylan, and Roldan Valverde. The Leatherback (Dermochelys Coriacea) Nesting Population In The Ngäbe-Bugle Comarca And Bocas Del Toro Province, Panama

• Kristina Pahang, Jaime Restrepo, and Roldán Valverde. Incubation Temperature and Hatching Success Of Green Turtle (Chelonia Mydas) Nests In Tortuguero, Costa Rica

• Stephanie Butera and Jaime Restrepo. Population Dynamic Between Coastal Jaguars (Panthera Onca), Sea Turtles, And Nest Predators In Tortuguero, Costa Rica

• Silvia Arriscado and David Aparici. Eco-Label as a Sea Turtle Conservation Tool

• Carmen Mejías, Gilberto Borges, Raúl García, Jaime Restrepo, and Roldán Valverde. Exploring Local Community Perceptions Of Sea Turtle Egg Consumption In Tortuguero, Costa Rica

• Emily Grace Webster, Jaime Restrepo, and Roldán Valverde. A Comparison Of Long-Term Trends In Nesting Activity Of Chelonia Mydas, Eretmochelys Imbricata And Dermochelys Coriacea In Tortuguero, Costa Rica

• Jimena Gutiérrez-Lince, Jaime Restrepo, and Roldán A. Valverde. Nest Disguising As An In Situ Protection Technique Against Sea Turtle Nest Poaching In Playa Norte, Costa Rica

• Silvia Agullo | Cristina Ordoñez | Raul Garcia. Risk Assessmment For Leatherback Nests (Dermochelys Coriacea) In Soropta Beach, Bocas Del Toro Province (Panama)

• David Aparici, Raúl Garcia, Georgina Zamora, and Silvia Arriscado. Conservation Strategies In Nesting Areas

• Carmen Mejías and Ian Bride. Assessing The Conservation Value Of Hatcheries; A Study Of Their Impacts On Green Turtle Hatchlings In Kosgoda, Sri Lanka

34th Annual Sea Turtle Symposium, New Orleans, Louisiana, USA – 2014
• Marydele Donnelly. The Ins And Outs of The U.S. Failure To Require TEDS in Skimmer Trawls. Full Poster

• Karen Shudes, David Godfrey and Gwen Oberholtzer. Darker Beaches, Brighter Futures: Reducing Light Pollution on Sea Turtle Nesting Beaches. Full Poster

33rd Annual Sea Turtle Symposium, Baltimore, Maryland, USA – 2013
• Simona Ceriani, James Roth, John Weishampel, Daniel Evans, and Llewellyn Ehrhart. Rotten Luck: Using Non-Viable Loggerhead Eggs to Infer Feeding Grounds Along Florida’s East Coast

• Daniel Evans, Rocio Johnson, and David Godfrey. Tour de Turtles — Using Research to Increase Awareness About Sea Turtles Online.

• Trashing Turtles: Quantifying Garbage on Three Sea Turtle Nesting Beaches in Costa Rica.

• Lizette Guzman-Zaragoza, Alyssa Giffin, Kristen Zemaitis, Katherine Comer Santos, Catalina Gonzalez, Manual Sanchez, Lotti Adams, Emma Harrison, Randall Aruaz, Mariana Fuentes, Marianne Fish, Beth Whitman, and Rebecca Lewison. Predicting the Effects of Sea Level Rise on Three Sea Turtle Nesting Beaches in Costa Rica

• Emma Harrison, Drew Hart, and Cristina Ordoñez Espinosa. Development of a Sustainable Eco-Tourism System at Bluff Beach, Bocas del Toro Province, Panama.

• Cristina Ordoñez, Peter Meylan, Anne Meylan, and Emma Harrison. Fate and Emergence Success of Hawksbill (Eretmochelys imbricata) Nests in the Comarca Ngöbe – Buglé and Bocas del Toro Province, Panama.

• Karen Shudes and David Godfrey. Darker Beaches, Brighter Future: Reducing the Impacts of Artificial Lighting on Sea Turtle Nesting Beaches.

• Luis Valero-Barrios, Emma Harrison, Ninive Espinoza, and Hector Barrios-Garrido. Reproductive Characteristics of Green Turtles, Chelonia mydas, in Tortuguero, Costa Rica.

31st Annual Sea Turtle Symposium, San Diego, California, USA – 2011
• Simona Ceriani, James Roth, Daniel Evans, and Llewellyn Ehrhart. Satellite Tracking Confirms the Use of Stable Isotopes to Infer Foraging Grounds of Loggerhead Turtles (Caretta caretta) Nesting on Florida’s East Coast.

• Marydele Donnelly. The Promise and Failure of Sustainable Seafood — Is The Marine Stewardship Council Certifying Fisheries to Capture Sea Turtles?

• Daniel Evans, Simona Ceriani, and Llewellyn Ehrhart. Identifying Migratory Pathways and Foraging Habitat Use by Loggerhead Turtles (Caretta caretta) Nesting on Florida’s East Coast.  | Full Poster

• Daniel Evans, Emma Harrison, and Cristina Ordoñez. Tracking “Dawn” Into the Horizon Oil Spill.  | Full Poster

• Emma Harrison and Dagnia Nolasco. Creating the Future Generation of Sea Turtle Conservationists: The Junior Research Assistant Program at Tortuguero, Costa Rica.

• Dagnia Nolasco and Emma Harrison. Thinking for the Future, Educating in the Present: Environmental Education and Outreach in Tortuguero, Costa Rica.

• Cristina Ordoñez, Genaro Castillo, Ana Maria Varquez, Huascar Miller, Juan Ramos, Arcelio Gonzalez, Carlos Fernadez, Anne Meylan, Peter Meylan, and Emma Harrison. Bocas del Toro Province and The Ngöbe – Buglé Comarca: Regionally important Areas for the Conservation of Leatherback Turtles (Dermochelys coriacea) on the Caribbean Coast of Panama.

• Zander Srodes, Becca Gelwicks, Katy Neiswender, and Rocio Johnson. Advokids.

29th Annual Sea Turtle Symposium, Brisbane, Queensland, AUSTRALIA – 2009
• Marydele Donnelly. Generating More Support to Reduce Sea Turtle Bycatch on the High Seas.

• David Godfrey and Emma Harrison. Anatomy of a Conservation Success Story: Lessons Learned from a Half Century of Community Collaboration, Economic Incentive and Resource Management Tactics at Tortuguero, Costa Rica.

• Emma Harrison, Xavier Debade, Dagnia Nolasco, Catalina Gonzales, and Luis Gonzalez. Do Tourist Activities Affect Green Turtle (Chelonia mydas) Nesting Behaviour and Hatching Success at Tortuguero, Costa Rica?

• Emma Harrison and David Godfrey. 50 Years Down the Windward Road: Reflections on Sea Turtle Populations at Tortuguero, Costa Rica.

• Zoe Meletis and Emma Harrison. Tourists and Turtles: Searching for a Balance in Tortuguero, Costa Rica

• Cristina Ordoñez, Carlos Fernandez, John Denham, Anne Meylan, Peter Meylan, and Emma Harrison. Nesting Beach Use Patterns of Leatherback Turtles (Dermochelys coriacea) in Bocas del Toro Province, Panama.

28th Annual Sea Turtle Symposium, Loreto, Baja California Sur, MEXICO – 2008
• Cristina Ordoñez, Emma Harrison, Earl Possardt, David Godfrey, Argelis Ruiz, Peter Meylan, and Anne Meylan. Escudo De Veraguas Island: Another Important Nesting Site For The Hawksbill Turtle (Eretmocheylys Imbricata) In The Ngöbe-Buglé Autonomous Region, Bocas Del Toro, Panama.

• Marydele Donnelly. ICCAT: the International Commission for the Conservation of Atlantic Tunas or the International Commission for the Capture of Atlantic Turtles?

• Emma Harrison, Roxana Silman, Eduardo Chamorro, Enrique Obando, and Ana Sanchez. Turtle Spotter Program: Creative New Funding Source Aids Turtle Conservation Activities And Community Projects In Tortuguero, Costa Rica.

• Emma Harrison, Daniel R. Evans, Emile Lemuel Pemberton, and David Godfrey. New Tracking Project Provides Interesting Data On Migratory Behaviour And Habitat Use Of Eastern Caribbean Hawksbill Turtles.  | Full Poster

• Cristina Ordoñez, Emma Harrison, Earl Possardt, David Godfrey, Argelis Ruiz, Peter Meylan, and Anne Meylan. The Role Of Indigenous Communities In Sea Turtle Conservation Efforts In The Ngöbe – Buglé Comarca Of Panama.

27th Annual Sea Turtle Symposium, Myrtle Beach, South Carolina, USA – 2007
• Daniel R. Evans, Cristina Ordoñez, Sebastian Troëng, and Carlos Drews. Satellite Tracking Of Leatherback Turtles From Caribbean Central America Reveals Unexpected Foraging Grounds.

• Andrea de Haro, Sebastian Troëng, and Emma Harrison. How Can Monitoring of Hatching Success Inform Sea Turtle Management?

26th Annual Sea Turtle Symposium, Island of Crete, Greece – 2006
• Andrea de Haro, Sebastian Troëng, Emma Harrison, Roxana Silman, Daynier Rodríguez, and Enrique Obando. Evaluation Of New Turtle-Tour Visitation System At Tortuguero, Costa Rica.

• Carlos Drews, Sandra Andraka, and Sebastian Troëng. Marine Turtle Conservation And Livelihoods Of Coastal Communities – Toward A Concept And Indicators To Understand And Enhance Our Socioeconomic Impact.

• Anne B. Meylan, Inocencio Castillo, Natalia Decastro, Cristina Ordoñez, Sebastian Troëng, Argelis Ruiz, and Peter A. Meylan. Bastimentos Island National Marine Park And Playa Chiriquí: Protected Areas Vital To The Recovery Of The Hawksbill Turtle (Eretmochelys Imbricata) In Caribbean Panama.

• David Smith, Kelly Matheson, Ian Kellett, and Sebastian Troëng. “La Comunidad” – Tortuguero, Costa Rica.

• Sebastian Troëng and Milani Chaloupka. Evaluation of Remigration Intervals As Indicators For How Well Sea Turtle Populations Fulfill Their Ecological Roles.

25th Annual Sea Turtle Symposium, Savannah, Georgia, USA – 2005
• Sebastian Troëng. Long-Term Nesting Beach Studies: Insights And Outcomes From The Tortuguero Program.

• David Godfrey, Daniel Evans and Gary Appelson. Florida’s Sea Turtle License Plate Makes Good On Its Promise To “Help Sea Turtles Survive” By Funding The Sea Turtle Grants Program.

• Sebastian Troëng, Gale Bishop, Milani Chaloupka, Jean-Yves Georges, Graeme Hays, Rebecca Lewison, Phillip Miller, Felix Moncada, and + 12 more authors. Atlantic Leatherback Strategy Retreat At St Catherines Island.

• Emma Harrison, Sebastian Troëng, and Mark Fletcher. Jaguar Predation Of Green Turtles (Chelonia Mydas) At Tortuguero, Costa Rica – Current Trends And Conservation Implications.

• Anne Savage, Jessica Koelsch, Daniel R. Evans, Lance Miller, Alison Gordon, Gerry Heyes, Gary Appelson, Kathy Lehnhardt, Denise Leeming, and Takako Hashimoto. Neighbors Ensuring Sea Turtle Survival (NESTS): A Community Program To Increase Awareness And Action For The Conservation Of Sea Turtles Near The Archie Carr National Wildlife Refuge.

24th Annual Sea Turtle Symposium, San José, Costa Rica – 2004
• Sebastian Troëng and Carlos Drews. Money Talks: Economic Aspects of Marine Turtle Use and Conservation.

• Sebastian Troëng, Carmen Castro and Eduardo Chamorro. Economic Consequences of the Green Turtle Ban in Costa Rica.

• Keynote Address by Sebastian Troëng. Marine Turtles of Costa Rica: Part 1.

• Presentation of the Archie Carr Lifetime Achievement Award To Guillermo “Billy” Cruz by David Godfrey

22nd Annual Sea Turtle Symposium, Miami, Florida, USA – 2002
• Sebastian Troëng, Jonas Ranstam and Eddy Rankin. Beyond trends: reconciling the concepts of absolute protectionism and sustainable extractive use to achieve “best use” of sea turtles.

• Sebastian Troëng, Jeff Mangel and Catalina Reyes. Comparison of Monel 49 and Inconel 681 flipper tag loss in green turtles, Chelonia mydas, nesting at Tortuguero, Costa Rica.

21st Annual Sea Turtle Symposium, Philadelphia, Pennsylvania – 2001
• Daniel Evans and Sebastian Troëng. Using satellite tracking of green, Chelonia mydas, and hawksbill, Eretmochelys imbricata, turtles from Tortuguero, Costa Rica in community and international education.

• Sebastian Troëng. Decline of Hawksbill Turtles Eretmochelys Imbricata in Caribbean Costa Rica.

• Sebastian Troëng, Didiher Chacón and Belinda Dick. Leatherback Turtle Dermochelys Coriacea Nesting along the Caribbean Coast of Costa Rica.

20th Annual Sea Turtle Symposium, Orlando, Florida, USA – 2000
• A Few Words by Dr. Archie Carr, III

• Daniel Evans and David Godfrey. Turtles in Cyberspace: the Successful Melding of Science, Education and the Internet.

• Sebastian Troëng, Eduardo Chamorro and Roxana Silman. Ban and Benefits: Tortuguero at 2000.

• Roxana Silman, Danny Rankin, Randall Aruz and Sebastian Troëng. Ban on green turtle fishing results in increased cooperation between fishermen and conservationists.

• Sebastian Troëng, Eddy Rankin and Alonso Rankin. Sea turtle depredation by jaguars at Tortuguero National Park, Costa Rica.

• Roxana Silman, Lucinda K. Taft and Rolando Castro. Strengthening of sea turtle conservation legislation in Costa Rica.

19th Annual Sea Turtle Symposium, South Padre Island, Texas, USA – 1999
• Lucinda K. Taft and Roxana Silman. The cooperative agreement for the conservation of sea turtles of the Caribbean coast of Costa Rica, Nicaragua and Panama.

• Sebastian Troëng. Implementation of a new monitoring protocol at Tortuguero, Costa Rica.

18th International Symposium, Mazatlán, Sinaloa, México – 1998
• Lucinda K. Taft, Chris Wold, Thomas T. Ankersen, Lizbeth Espinoza, Mario Boza, Anne Meylan and Peter Meylan. Agreement for the conservation of sea turtles on the Caribbean coast of Panama, Costa Rica and Nicaragua.

• Sebastian Troëng and Thomas A. Rankin González. Illegal harvest of nesting green turtles Chelonia mydas in Tortuguero National Park, Costa Rica.

17th International Symposium, Orlando, Florida, USA – 1997
• David Godfrey. Anatomy of a successful sea turtle conservation education program.

16th International Symposium, Hilton Head, South Carolina, USA – 1996
• Peter Eliazar, Karen Bjorndal and Alan Bolten. Operation Green Turtle Revisited.

14th International Symposium, Hilton Head, South Carolina, USA – 1994
• Jeanne Mortimer and Roby Bresson. Individual And Age-Dependent Variations In Clutch Frequency Among Hawksbill Turtles At Cousin Island, Seychelles: 1973-1992.

13th International Symposium, Jekyll Island, Georgia, USA – 1993
• Anne Meylan, Peter Meylan and Andrea Mosier. Green Turtles In Developmental Habitat: An Update On The Bermuda Turtle Project.

10th International Symposium, Hilton Head, South Carolina, USA – 1990
• Stephen E. Stancyk. Nest Transplantation As A Deterrent To Mammalian Predation At Tortuguero, Costa Rica.

9th International Symposium, Jekyll Island, Georgia, USA – 1989
• James Perran Ross and David Carr. Comprehensive Management Plan For Tortuguero. Costa Rica.