*Hormone levels assessment for sex classification and sexual maturity in green turtle (Chelonia mydas) from the Coast of Quintana Roo, México

Alma Guadalupe Vázquez Gómez¹, Victor Manuel Gómez Muñoz², Horacio Merchant Larios¹, María del Carmen Rodríguez Vallarte³, Javier Flavio Vigueras Gómez³, Vanessa Labrada Martagón³

1: UNAM, Mexico; 2: CICIMAR- IPN La Paz, Mexico; 3: UASLP, Mexico

*The Anti-Müllerian hormone (AMH) as a sex identification biomarker: Revisited

Gabriella Carvajal¹, Jeanette Wyneken¹, Itzel Sifuentes-Romero²

1: Florida Atlantic University, Florida, USA; 2: Iowa State University, Iowa, USA

*Comparing heavy metal concentrations of loggerhead turtles and their prey along the US East Coast

YiWynn Chan¹, Samir H. Patel², Nathan J. Robinson³, Karen Dourdeville⁴, Robert Prescott⁴, Frank V. Paladino^1,5

1: Department of Biological Sciences, Purdue University Fort Wayne, Indiana, USA; 2: Coonamessett Farm Foundation, Inc., East Falmouth, Massachusetts, USA; 3: Institut de Ciències del Mar, Spanish National Research Council - Consejo Superior de Investigaciones Científicas, Barcelona, Spain; 4: Mass Audubon Society Wellfleet Bay Wildlife Sanctuary, Massachusetts, USA; 5: The Leatherback Trust, Playa Grande, Costa Rica

*Disentangling the impacts of contaminants on green sea turtle physiology

Caitlin Elizabeth Smith¹, Jason van de Merwe², Kimberly Finlayson², Arthur Barraza², Erina Young³, Ben Gilby¹, Kathy Townsend¹

1: The University of the Sunshine Coast, Australia; 2: Griffith University, Australia; 3: EnviroVet Consultancy

*Biomarkers of foraging and reproduction in nesting female Hawksbill sea turtles (Eretmochelys imbricata) in Bocas del Toro, Panama

Joslyn Blessing Kent¹, Roldán A Valverde^1,2, Raul García Varela²

1: Southeastern Louisiana University, United States of America; 2: Sea Turtle Conservancy

*Biomarkers of reproductive output in free-ranging Hawksbill Sea turtles (Eretmochelys imbricata) in Panama

Kari Renee Dawson

Southeastern Louisiana University, United States of America

*Provisioning of vitellogenic follicles continues after green turtles arrive at the nesting beach in Tortuguero, Costa Rica.

Renato Saragoça Bruno, Alan B. Bolten, Karen A. Bjorndal

Archie Carr Center for Sea Turtle Research & Department of Biology, University of Florida

*Assessing genotoxicity in Green Turtle cells using fluorescent microscopy and automated image analysis

Matt Johnson, Kimberly Finlayson, Todd Shelper, Jason van de Merwe, Frederic Leusch

Griffith university, Australia

*Exposure to hypoxia fine-tunes mitochondrial function in primary dermal fibroblasts derived from loggerhead sea turtles

B. Gabriela Arango¹, David C. Ensminger², Celine Godard-Codding³, José Pablo Vázquez-Medina¹

1: Department of Integrative Biology, University of California, Berkeley, United States of America; 2: Department of Biological Sciences, San José State University, United States of America; 3: Department of Environmental Toxicology, Texas Tech University, United States of America

*First health assessments of juvenile hawksbill sea turtles (Eretmochelys imbricata) in the Maldives: clinical blood analytes, physical examinations, ultrasonic studies and gut microbiome characterization

Isha Afeef¹, Enas Mohamed Riyaz², Ibrahim Inaan¹, Ahmed Leevan², Afrah Abdul Sathaar¹, Ali Shareef³, Aishath Shaiha², Stephanie Köhnk⁴, Mariana Fragoso⁴, Tristan Neto⁴, Claire Petros⁵, Martin Stelfox⁴, Maximilian M.R. Polyak^4,5

1: Olive Ridley Project Maldives, H. Kaneerumaage, Dhonhuraa Goalhi, Malé, 20037, Republic of Maldives; 2: Environmental Protection Agency, Handhuvaree Hingun, Malé, Republic of Maldives; 3: Happy Side, K. Maafushi, 08090, Republic of Maldives; 4: Olive Ridley Project, 91 Padiham Road, Sadben, Clitheroe, Lancashire, BB7 9EX UK; 5: Sea Turtle Rescue Alliance, 10 Unity Street, Bristol UK

*Impacts of rising incubation temperatures on leatherback neonates as measured by key blood values and skin microbiota data.

Samantha G Kuschke^1,2,3,4,5, Jeanette Wyneken⁵, Anna Beth Coleman², Debra L Miller^1,2,3

1: Department of Biomedical and Diagnostic Services, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA; 2: Center for Wildlife Health, University of Tennessee, Knoxville, Tennessee, USA; 3: One Health Initiative, University of Tennessee, Knoxville, Tennessee, USA; 4: Department of Biological Sciences, Florida Atlantic University, Boca Raton, Florida, USA; 5: Upwell, Monterey, California, USA

Assessing differences in chemical risk in foraging green sea turtles (Chelonia mydas) using analytical and in vitro techniques

Kimberly Finlayson, Nicole Rowberry, Dylan White-Kiely, Jason van de Merwe

Australian Rivers Institute, Griffith University, Australia

*Decoding the internesting movements of marine turtles using a fine-scale behavioral state approach

Armando J B Santos^1,2, Joshua Cullen¹, Daniel H G Vieira², Eduardo H S M Lima², Victoria Quennessen³, Claudio Bellini⁴, Erik A P Santos⁴, Renata Ramos⁵, Mariana M P B Fuentes¹

1: Florida State University, United States of America; 2: Fundacao Projeto Tamar, Brazil; 3: Oregon State University, United States of America; 4: Centro Tamar/ICMBio, Brazil; 5: ENGEO – Soluções Integradas em Meio Ambiente

Insights into movement of green turtles at Ningaloo from satellite tagging

Mat Vanderklift, Richard Pillans, Nick Mortimer, Wayne Rochester

CSIRO

*Inter- and post-nesting movement patterns of leatherback sea turtles (Dermochelys coriacea) nesting in southeastern Florida, USA

Derek M. Aoki^1,2,7, Justin R. Perrault¹, Annie Page², Kelly R. Stewart³, Scott Benson^4,5, Christopher R. Sasso⁶, William R. Bishop¹, George L. Shillinger^7,8

1: Loggerhead Marinelife Center, Juno Beach, Florida, USA; 2: Florida Atlantic University, Harbor Branch Oceanographic Institute, Fort Pierce, Florida, USA; 3: The Ocean Foundation, Washington, DC, USA; 4: Marine Mammal and Turtle Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Moss Landing, CA, USA; 5: Moss Landing Marine Laboratories, San Jose State University, Moss Landing, CA, USA; 6: NOAA Fisheries, Southeast Fisheries Science Center, Miami, Florida, USA; 7: Upwell Turtles, Monterey, California, USA; 8: MigraMar, Bodega Bay, California, USA

*The journey of loggerhead turtles from the Northwest Atlantic to the Mediterranean Sea according to the stable isotope ratios of C, N and O of their bones

Alessandra Cani, Cristina Besén Muelas, Carlos Carreras, Marta Pascual, Luis Cardona

University of Barcelona, Spain

*Numerical models unveil the “Lost Years” of loggerhead sea turtles.

Tony Candela^1,2,3, Patrick Lehodey¹, Florence Dell'Amico³, Frederic Vandeperre^4,5, Philippe Gaspar¹, George L. Shillinger²

1: Mercator Ocean International, Toulouse, France; 2: Upwell, Monterey, CA, USA; 3: Aquarium La Rochelle, Centre d'Etudes et de Soins pour les Tortues Marines, La Rochelle, France; 4: Institute of Marine Sciences, Okeanos, University of the Azores, Horta, Portugal; 5: Institute of Marine Research, IMAR, Horta, Portugal

*Decoding the mysterious distribution patterns of juvenile green turtles during their "lost years" through the application of species distribution modeling.

Matthew Larsen¹, Kate Mansfield¹, Katrina Phillips²

1: University of Central Florida, United States of America; 2: University of Massachusetts - Amherst, United States of America

*Migratory behavior and foraging ecology of Hawaiian hawksbill turtles

Alison J. Meeth^1,2, Alexander R. Gaos³, Summer L. Martin³, Shaya Honarvar^1,2

1: School of Life Sciences, University of Hawaiʻi at Mānoa, 3190 Maile Way, Honolulu, Hawaiʻi 96822, USA; 2: Pacific Cooperative Studies Unit, University of Hawaiʻi at Mānoa, 3190 Maile Way, Honolulu, Hawaiʻi 96822, USA; 3: NOAA Fisheries, Pacific Islands Fisheries Science Center, 1845 Wasp Boulevard, Honolulu, Hawaiʻi 96818, USA

*Habitat model of juvenile loggerhead sea turtles (Caretta caretta) in the North Atlantic

Martina Bartolini^1,2, Elliott L. Hazen^3,4, Hugo Parra^1,2, Karen A. Bjorndal⁵, Thomas Dellinger^6,7,8, Rune Dietz⁹, Chris Sasso¹⁰, Nuria Varo-Cruz¹¹, Juan A. Bermejo¹², Daniel Cejudo¹¹, Luis Felipe López-Jurado¹³, Frederic Vandeperre^1,2

1: Institute of Marine Sciences - Okeanos, Universidade dos Açores, Horta, Portugal; 2: Institute of Marine Research – IMAR, Horta, Portugal; 3: Ecosystem Science Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration (NOAA), Monterey, California, USA; 4: Institute of Marine Sciences, University of California Santa Cruz, Monterey, California, USA; 5: Archie Carr Center for Sea Turtle Research (ACCSTR), University of Florida, Florida, USA; 6: Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), InBIO Laboratório Associado, Universidade do Porto, Vairão, Portugal; 7: Estação de Biologia Marinha do Funchal, Universidade da Madeira, Funchal, Portugal; 8: BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Vairão, Portugal; 9: Department of Ecoscience, Arctic Research Centre, Aarhus University, Roskilde, Denmark; 10: National Oceanic and Atmospheric Administration (NOAA), National Marine Fisheries Service, Southeast Fisheries Science Center, Miami, Florida, USA; 11: Cetaceans and Marine Research Institute of the Canary Islands (CEAMAR), Canary Islands, Spain; 12: Observatorio Ambiental Granadilla (OAG), Canary Islands, Spain; 13: Departamento de Biologia, Universidad de Las Palmas de Gran Canaria, Canary Islands, Spain

*Habitat use of pacific juvenile green turtles along the coast of north costa rica

Fanqi Wu^1,2,3,4, Veronica Valverde-Cantillo⁵, Chelsea E. Clyde-Brockway^2,3, Mario Espinoza^5,6, Maike Heidemeyer⁹, Christopher G. Lowe⁷, James R. Spotila^3,4,8, Frank V. Paladino^2,3

1: Department of Forestry and Natural Resources, Purdue University, United States of America; 2: Department of Biological Sciences, Purdue University Fort Wayne, Fort Wayne, Indiana, United States of America; 3: The Leatherback Trust, Fort Wayne, Indiana, United States of America; 4: Global Cause Foundation, Blacksburg, Virginia, United States of America; 5: Centro de Investigación en Ciencias del Mar y Limnología, Universidad de Costa Rica, San José, Costa Rica; 6: MigraMar, Bodega Bay, California, United States of America; 7: Department of Biological Sciences, California State University, Long Beach, California, United States of America; 8: Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, United States of America; 9: Equipo Tora Carey, El Jobo, Guanacaste, Costa Rica

*Spatial ecology of the Eastern Pacific green turtle (Chelonia mydas): Insights from satellite tracking and stable isotope analysis

Alejandra Guadalupe Sandoval-Lugo^1,2,3, Jeffrey A. Seminoff⁴, Catherine E. Hart^5,3, César Paúl Ley- Quiñónez^1,3, Carlos Delgado-Trejo⁶, A. Alonso Aguirre⁷, Norma Patricia Sevilla-Muñoz⁸, Alan Alfredo Zavala-Norzagaray^1,3

1: Instituto Politécnico Nacional, Mexico; 2: Universidad Autónoma de Occidente; 3: Grupo Tortuguero de las Californias; 4: NOAA-Southwest Fisheries Science Center; 5: Investigación, Capacitación y Soluciones Ambientales y Sociales A.C.; 6: Universidad Michoacana de San Nicolás Hidalgo, Morelia, Michoacán; 7: Colorado State University; 8: Centro Interdisciplinario de Investigaciones y estudios sobre el Medio Ambiente y Desarrollo

*Photo-identification and laser photogrammetry of green (Chelonia mydas) and hawksbill turtles (Eretmochelys imbricata) foraging in Semporna, Sabah

Jeethvendra Kirishnamoorthie^1,2, Gonzalo Araujo³, Hideaki Nishizawa⁴, Juanita Joseph¹

1: Borneo Marine Research Institute, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia.; 2: Tropical Research and Conservation Centre (TRACC), Pom Pom Island, 91307 Semporna, Sabah, Malaysia.; 3: Marine Research and Conservation Foundation, Somerset, TA4 3SJ, UK; 4: Graduate School of Informatics, Kyoto University, Yoshida Honmachi, Sakyo-ku, Kyoto, 606-8501, Japan

*In-water relative abundance and distribution of sea turtles along the east coast of South Africa

Natalie A. dos Santos¹, Ronel Nel^1,2, Diane Z. M. Le Gouvello¹, Grant Smith³, Santosh Bachoo⁴

1: Institute for Coastal and Marine Research, Nelson Mandela University, South Africa; 2: University of Washington, United States; 3: Sharklife Conservation Group, South Africa; 4: Ezemvelo KwaZulu-Natal Wildlife, South Africa

*Mapping potential foraging areas for loggerhead turtles in the Mediterranean Sea: the role of climate change and biotic factors

Chiara Mancino¹, Sandra Hochscheid², Luigi Maiorano¹

1: Sapienza University, Italy; 2: Stazione Zoologica Anton Dohrn, Italy

*Assessing the current state of seagrass meadows and their interactions with green turtles in St. John, USVI

Kianna Pattengale¹, Alexandra Gulick^2,3, Karen Bjorndal², Paul Jobsis¹

1: University of the Virgin Islands; 2: Archie Carr Center for Sea Turtle Research, University of Florida; 3: Glacier Bay National Park and Preserve

*Does seagrass grazed by green turtles retain habitat value for fish?

Nerine Constant, Alan B. Bolten, Karen A. Bjorndal

Archie Carr Center for Sea Turtle Research & Department of Biology, University of Florida, Gainesville, FL, USA

*Exploring the potential of dietary DNA metabarcoding in sea turtles

Sophia A Coveney¹, Tamsyn M Uren Webster¹, Sofia Consuegra¹, Graeme C Hays^1,2, Nicole Esteban¹

1: Swansea University, United Kingdom; 2: Deakin University, Australia

*Active selection of native seagrass in Halophila stipulacea-dominated meadows among juvenile green sea turtles (Chelonia mydas) identified using fine-scale acoustic telemetry in U.S.V.I.

Taylor Brunson, Paul Jobsis, Kayla Blincow, Andrew McGregor

University of the Virgin Islands, Virgin Islands, U.S.

*The underlying factors driving variation in social interactions between juvenile green turtles (Chelonia mydas) in Brewers Bay, St. Thomas, USVI

Corinne Eva Johnson^1,2, Jordan Matley³, Nathan J. Robinson^4,5, Andrew Maurer⁶, Paul Jobsis²

1: College of Science and Mathematics, University of the Virgin Islands, St. Thomas, USVI, USA; 2: Center for Marine and Environmental Science, University of the Virgin Islands, St. Thomas, USVI, USA; 3: Flinders University, Adelaide, Australia; 4: Institut De Ciencies Del Mar – Spanish National Research Council, Spain; 5: Fundación Oceanogràfic de la Comunitat Valenciana, Ciudad de las Artes y las Ciencias, Valencia, Spain; 6: NOAA Southwest Fisheries Science Center, La Jolla, California, USA

*Short-term effects of biologger attachment on the behaviour of juvenile green turtles assessed using animal-borne cameras and UAVs

Ruth Doñate-Ordóñez^1,2, Sophie Mills³, Damianos Chatzievangelou¹, Jack Cuffley⁴, Candace Fields⁴, Sebastian Hoefer⁵, Alex Smith⁴, Theodora Pinou⁶, Nathan Jack Robinson^1,7

1: Institut de Ciències del Mar, Spanish National Research Council (CSIC), Barcelona, Spain; 2: University of Algarve, Faro, Portugal; 3: Marine Turtle Research, Ecology and Conservation Group, Department of Earth, Ocean, and Atmospheric Science, Florida State University, Tallahassee, FL 32306, USA; 4: Cape Eleuthera Institute, PO Box EL-26029, Rock Sound, Eleuthera, the Bahamas; 5: College of Science and Engineering, James Cook University, Townsville, Queensland, Australia; 6: Department of Biology, Western Connecticut State University, Connecticut; 7: Fundación Oceanogràfic, Ciudad de las Artes y las Ciencias, Valencia, Spain

Overview and Outcomes of the Sea Turtle for Ocean Research and Monitoring (STORM) program in the SWIO

Olivier Bousquet^1,2, Stéphane Ciccione³, Katia Ballorain⁴, Anne Barat^1,4, Antoine Laforge^1,5, Aurélien Prat^1,11, Jonathan Monsinjon⁶, Philippe Gaspar⁵, Claire Jean³, Manon Nivière⁴, Ronel Nel², Cheryl Sanchez⁷, Moussa Ben Antoy⁸, Zouboudou Halifa⁹, Sophie Marinesque¹⁰, Arthur Vidard¹¹, Heather Richards⁷, Frauke Fleischer-Dogley⁷, Mathieu Barret³, Diane Le Gouvello², Mayeul Dalleau³, Jérome Bourjea⁶, Maxime Amy¹⁰

1: LACy, La Réunion, France; 2: Nelson Mandela University, South Africa; 3: Kelonia, La Réunion, France; 4: CEDTM, La Réunion, France; 5: Mercator-Océan International, Toulouse, France; 6: Ifremer, DOI océan Indien, La Réunion, France; 7: Seychelles Islands Foundation, Mahé, Seychelles; 8: Parc National de Mohéli, Comoros; 9: ADSEI, Comoros; 10: Terres australes et antarctiques françaises, La Réunion, France; 11: Inria, Grenoble, France

*Recalculating: do inherited navigational instructions in Loggerhead sea turtles account for changing geomagnetic cues?

Jadyn M. Sethna, Dana S. Lim, Isabelle N. Sechrest, Catherine M.F. Lohmann, Kenneth J. Lohmann

University of North Carolina, Chapel Hill, United States of America

*Insights into foraging aggregations and nesting of marine turtles in Tun Mustapha Park, Sabah, Malaysia

Gavin Jolis^1,2, Juanita Joseph^2,3, Hideaki Nishizawa⁴, Irwan Isnain⁵, Hussien Muin⁶, Sofia Johari⁷, Ejria Saleh^2,3

1: WWF-Malaysia; 2: Borneo Marine Research Institute, Universiti Malaysia Sabah; 3: Small Islands Research Centre (SIRC), Faculty of Science and Natural Resource, Universiti Malaysia Sabah; 4: Graduate School of Informatics, Kyoto University; 5: Sabah Parks; 6: Sabah Wildlife Department; 7: Kudat Turtle Conservation Society

*Combining UAV and multi-sensors dataloggers to estimate spatio-temporal trends in fine scale density

Chiara Agabiti¹, Livia Tolve², Giulia Baldi¹, Marina Zucchini³, Salvatore Tuccio³, Federica Restelli¹, Daniela Freggi³, Paolo Luschi¹, Paolo Casale¹

1: Department of Biology, University of Pisa, Pisa, Italy; 2: Department of Biology, University of Florence, Sesto Fiorentino, FI, Italy; 3: Lampedusa Sea Turtle Rescue Center, Associazione Caretta caretta, Lampedusa and Linosa, Italy

*Breeding sex ratios of leatherbacks (Dermochelys coriacea) in the South West Indian Ocean

Lauren Rachel Wienand¹, Ronel Nel¹, Lorenz Hauser²

1: Nelson Mandela University, South Africa; 2: University of Washington

*Reconstructing demographic history between two contrasting leatherback populations using genomics

Christopher R Nolte¹, Ronel Nel^2,3, Lorenz Hauser³, Justin R Perrault⁴, Hannah B Vander Zanden¹

1: Department of Biology, University of Florida, Gainesville, FL, USA; 2: Department of Zoology, Nelson Mandela University, Summerstrand South Campus, Gqeberha, South Africa; 3: School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA, USA; 4: Loggerhead Marinelife Center, Juno Beach, FL, USA

Long term monitoring of male sea turtles in southeast Florida, USA

Jeffrey Guertin¹, Dean Bagley^1,2, Michael Bresette¹, Annessia Michaels¹, Cody Mott¹

1: Inwater Research Group, Inc., United States of America; 2: University of Central Florida, United States of America

*Detection thresholds for visual light in Eretmochelys imbricata hatchlings

Robert Thomas Gammariello^1,2, Camar Green³, Stephen Dunbar^1,2

1: Marine Research Group, Department of Earth and Biological Sciences, Loma Linda University, Loma Linda, CA 92350; 2: Protective Turtle Ecology Center for Training, Outreach, and Research, Inc. (ProTECTOR, Inc.), Loma Linda, CA 92350; 3: Treasure Beach Turtle Group, Treasure Beach, St. Elizabeth, Jamaica

ENSO Dynamics and the Resilience of Chelonia mydas at Chagar Hutang Turtle Sanctuary, Malaysia

Nurfatini Nadhira Sani^1,2, Mohd Uzair Rusli²

1: Faculty of Science and Marine Environment, Universiti Malaysia Terengganu; 2: Sea Turtle Research Unit, Institute of Oceanography and Environment, Universiti Malaysia Terengganu

*Sex Ratio Estimation of Green Turtles at Chagar Hutang, an important sanctuary site in Peninsula Malaysia

Sharifah Nur Azah Anim Syed Noor Azalan^1,2, Nicholas Tolen², Mohd Uzair Rusli²

1: Faculty of Science and Marine Environment, Universiti Malaysia Terengganu; 2: Sea Turtle Research Unit (SEATRU), Institute of Oceanography and Environment, Universiti Malaysia Terengganu

*A novel approach to assessing fertility rates of leatherback sea turtle (Dermochelys coriacea) eggs

Emily Turla¹, Gabriella A. Carvajal¹, Samantha G. Kuschke^2,3,4, Jeanette Wyneken¹

1: Department of Biological Sciences, Florida Atlantic University, Boca Raton, FL, USA; 2: Department of Biomedical and Diagnostic Services, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA; 3: One Health Initiative, University of Tennessee, Knoxville, TN, USA; 4: Upwell, Monterey, CA, USA

*Monitorization and characterization by photo-trapping of the activation time of Caretta caretta hatchlings in a hatchery in Boa Vista, Cape Verde.

Andrés Ramos Benito¹, Pilar Santidrián Tomillo², Leila Cristina Lopes Almeida³, María Medina Suarez⁴

1: Museo Nacional de Ciencias Naturales, Spain; 2: Centro Ocenográfico de Baleares, IEO-CSIC, Spain; 3: Universidad Internacional Menéndez Pelayo, Spain; 4: Cabo Verde Natura 2000, Cape Verde

*Hawksbill (Eretmochelys imbricata) hatch success and predicted sex ratios at Sandy Point National Wildlife Refuge.

Sabrina C. Sorace¹, Natalie K. Monnier¹, Dante Trivett², Katie Ayres¹, Makayla Kelso², Claudia D. Lombard³, Kelly Sloan⁴, Paul Jobsis¹, Kelly R. Stewart²

1: University of the Virgin Islands, St. Thomas, U.S. Virgin Islands; 2: The Ocean Foundation, Washington, D.C. USA; 3: U.S. Fish and Wildlife Service, St. Croix, U.S. Virgin Islands; 4: Sanibel Captiva Conservation Foundation, Sanibel, FL, USA

*The making of males in a feminizing environment: an assessment on the Arabian Peninsula

Kirsty Scott¹, Marc Girondot², Jesse Cochran¹, Michael Berumen¹

1: King Abdullah University of Science and Technology, Saudi Arabia; 2: Laboratoire Ecologie, Systématique, Evolution, Université Paris Saclay

*Predation of sea turtle eggs

Holly Jayne Stokes¹, Nicole Esteban¹, Graeme C Hays²

1: Swansea University, United Kingdom; 2: Deakin University, Australia

*Hatching and emergence success of leatherback sea turtles (Dermochelys coriacea) on Bioko Island, Equatorial Guinea

Trevor L Proctor¹, Chelsea E Clyde-Brockway¹, Elizabeth M Sinclair², Frank V Paladino^1,2, Shaya Honarvar^2,3

1: Purdue University Fort Wayne, United States of America; 2: Bioko Marine Turtle Program, Bioko Island, Equatorial Guinea; 3: University of Hawai'i at Mānoa, Honolulu Hawai'i, USA

Thermal incubation environment of green turtles (Chelonia mydas) at Tortuguero beach, Costa Rica

Roldán Valverde¹, Lorraine Aldridge², Brendan Godley², Jonathan Monsinjon³, Jaime Restrepo⁴

1: Southeastern Louisiana University, United States of America; 2: University of Exeter, United Kingdom; 3: Institut Français de Recherche pour l'Exploitation de la Mer, France; 4: Sea Turtle Conservancy, United States of America

Increasing long term trend of loggerhead sea turtle (Caretta caretta) nesting activity in Spain

Jesús Tomás¹, Mireia Aguilera², Irene Álvarez de Quevedo², Eduardo J Belda³, Luís Cardona⁴, Carlos Carreras⁵, Fernando Escribano⁶, Guillem Félix⁷, Carolina Fernánez-Maldonado⁸, Rocio Huertas⁹, Adolfo Marco¹⁰, Verónica Núñez-Reyes¹¹, Marta Pascual⁵, Francisca Pujol¹², Ohiana Revuelta¹, Elena Abella²

1: Instituto Cavanilles de Biodiversidad y Biología Evolutiva, University of Valencia, Apdo. 22085, E-46071, Valencia, Spain; 2: BETA Tech Center, TECNIO Network, University of Vic-Central University of Catalonia ( UVic-UCC), C. de Roda 70, 08500, Vic, Spain.; 3: Institut d’Investigació per a la Gestió de Zones Costaneres (IGIC), Universitat Politècnica de València, València, Spain; 4: Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Universitat de Barcelona (UB), Av. Diagonal 643, 08028, Barcelona, Spain; 5: Department of Genetics, Microbiology and Statistics and IrBio, University of Barcelona, Avinguda Diagonal 643, E-08028, Barcelona, Spain; 6: CRFS El Valle, Dirección General de Patrimonio Natural y Acción Climática, Ctra. subida a El Valle, 62. 30150. La Alberca de las Torres, Murcia; 7: Consorci Recuperació Fauna Illes Balears, Conselleria d'Agricultura, Pesca i Medi Natural, Govern Balear, Spain.; 8: Seashore Environment and Fauna, Spain.; 9: Consejería de Medio Ambiente, Región de Murcia, Spain; 10: Estación Biológica de Doñana, CSIC, C/ Américo Vespucio s/n, Sevilla. Spain; 11: Asociación Oceanum, Spain; 12: Fundación Palma Aquarium, Mallorca, Spain.

Longer loggerhead turtle incubation durations despite a warming climate

Matt Ware¹, Paul Hillbrand², Ali Johnson², Stephanie Kamel¹, Elizabeth Darrow²

1: University of North Carolina Wilmington, United States of America; 2: Bald Head Island Conservancy, United States of America

Layang Layang, Spratly Islands: Nesting and foraging grounds for marine turtles in South China Sea

Juanita Joseph, Jeethvendra Kirishnamoorthie

Universiti Malaysia Sabah, Malaysia

Emergence patterns of hatchlings of Chelonia mydas, Lepidochelys olivacea and Dermochelys coriacea and predators behavior in Playa Cabuyal, Costa Rica

Leila Cristina Lopes Almeida¹, Pilar Santidrián Tomillo²

1: Universidad International Menendez Pelayo - CSIC, Spain, Cape Verde; 2: Animal Demography and Ecology Unit, GEDA, Institut Mediterrani d’Estudis Avançats (CSIC-UIB), Miquèl Marques 21, 01790, Esporles, Spain;

Spanish Mediterranean coast: a climate change nesting refuge for loggerhead turtles?

Elena Abella Pérez¹, Celia Solis², Irene Álvarez de Quevedo¹, Mireia Aguilera¹, Aida Garcia¹, Gloria Fainé¹, Guillem Félix³, Xisca Pujol⁴, Jesús Tomás⁵, Fernando Escribano⁶, Rocío Huertas⁷, José Luis Crespo-Picazo⁸, Sílvia Giralt⁹, Lucía Garrido⁹, Marta Pascual¹⁰, Carlos Carreras¹⁰, Lluís Cardona¹¹, Adolfo Marco¹²

1: BETA Technological Center, University of Vic - Central University of Catalonia, Carretera Roda 70, E-08500, Vic, Spain; 2: Faculty of Biology. University of Barcelona, Avinguda Diagonal 643, E-08028, Barcelona, Spain; 3: Consorci de Recuperació de Fauna de les Illes Balears (COFIB) Carretera Palma- Sineu, Km 15,400, E-07142, Santa Eugènia, Balearic Islands, Spain; 4: Fundación Palma Aquarium, Carrer de Manuela de los Herreros, 21, 07610 Palma, Illes Balears; 5: Instituto Cavanilles de Biodiversidad y Biología Evolutiva, University of Valencia, Apdo. 22085, E-46071, Valencia, Spain; 6: Centro de Recuperación de Fauna Silvestre "El Valle", Ctra. Subida a El Valle, 62, E-30150, La Alberca de las Torres, Murcia, Spain; 7: Parque Regional de Calblanque, 30385 Cartagena, Murcia; 8: Fundació Oceanogràfic de la Comunitat Valenciana, Ciutat de les Arts i les Ciències, E-46013, València, Spain; 9: Fundación para la Conservación y la Recuperación de Animales Marinos (CRAM), E-08820, El Prat de Llobregat, Barcelona, Spain; 10: Department of Genetics, Microbiology and Statistics and IrBio, University of Barcelona, Avinguda Diagonal 643, E-08028, Barcelona, Spain; 11: Department of Evolutionary Biology, Ecology and Environmental Sciences and IrBio, University of Barcelona, Avinguda Diagonal 643, E-08028, Barcelona, Spain; 12: Estación Biológica de Doñana, CSIC, C. Américo Vespucio, s/n, 41092, Sevilla, Spain

Variability in thermal tolerance of clutches from different mothers indicates adaption potential to climate warming in sea turtles

Camille Kynoch¹, Frank Paladino^1,2, James Spotila^1,3, Pilar Santidrian-Tomillo¹

1: The Leatherback Trust, Goldring-Gund Marine Biology Station, Playa Grande, Costa Rica; 2: Department of Biology, Perdue University Fort Wayne, Indiana 46805-1499, USA; 3: Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia PA 19104, USA

The effects of mating function and microevolution on the persistence of green turtles in the face of climate change

Victoria Quennessen¹, Mariana Fuentes², Lisa Komoroske³, Will White¹

1: Coastal Oregon Marine Experiment Station, Oregon State University, USA; 2: Florida State University, USA; 3: University of Massachusetts Amherst, USA

The ridley saga: past, present and future hatchling sex ratios of the east coast population of olive ridleys in India

Chandana Pusapati¹, Hariprasath Ramesh¹, Muralidharan Manoharakrishnan², Ema Fatima³, Nupur Kale⁴, Chetan Rao⁵, Alissa Barnes⁶, Ridhi Chandarana⁷, Vishrutha Rao¹, Kartik Shanker^1,8

1: Dakshin Foundation, Bangalore, India; 2: World Wide Fund for Nature-India; 3: Institute for the Oceans and Fisheries, Vancouver, Canada; 4: Swansea University, Swansea, United Kingdom; 5: FLAME University, Pune, India; 6: Wildlife Conservation Society-India; 7: Department of Biology, Dartmouth College, USA; 8: Indian Institute of Science, Bangalore, Karnataka, India

Shifts in body size for a green turtle foraging aggregation: Long-term patterns, putative drivers, and historical context for a rapidly changing population in the eastern North Pacific

Andrew S Maurer^1,2, Cutzi Bedolla-Ochoa³, Carlos Delgado-Trejo³, Peter H Dutton¹, Michelle M Early-Capistrán⁴, Tomo Eguchi¹, Erin L LaCasella¹, Garrett E Lemons¹, Robin A LeRoux¹, Anika J Quon⁴, Tracy Tempest⁵, Cali N Turner Tomaszewicz¹, Jeffrey A Seminoff¹

1: NOAA Southwest Fisheries Science Center, La Jolla, California, USA; 2: National Research Council, Washington DC, USA; 3: Instituto de Investigaciones sobre los Recursos Naturales, Universidad Michoacána de San Nicolas de Hidalgo, Morelia, Michoacán, MX; 4: Stanford Woods Institute for The Environment, Stanford University, Stanford, California, USA; 5: Community scientist, Coronado, California

Increase in nesting activity of sea turtles at the Rekawa turtle rookery, Sri Lanka during last 26 years (1996-2022)

Lalith Ekanayake¹, Thushan Kapurusinghe², M.M. Saman³

1: Bio Conservation Society (BCSL), Sri Lanka; 2: Turtle Conservation Project (TCP), Sri Lanka; 3: Nature Friends of Rekawa, Sri Lanka.

Size matters: nesting female hawksbills trending smaller over five decades in Seychelles

Sean Evans¹, Melissa J Schulze¹, Mark Brown², Jeanne A Mortimer^3,4

1: Cousine Island Company, Ltd.; 2: University of KwaZulu-Natal; 3: Turtle Action Group of Seychelles; 4: University of Florida