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Unraveling migratory corridors of loggerhead and green turtles from the Yucatán Peninsula and its overlap with bycatch zones of the Northwest Atlantic.
PLoS One
December 2024
Laboratorio de Ecología Molecular y Conservación, El Colegio de la Frontera Sur, Chetumal, Quintana Roo, Mexico.
Article Synopsis
- - Bycatch is a significant conservation issue for endangered sea turtles, particularly since their habitats often overlap with fishing zones globally.
- - Researchers used mitochondrial DNA to track the migratory routes of loggerhead and green turtles from the Yucatán Peninsula to the Northwest Atlantic, noting specific foraging patterns based on their nesting colonies.
- - Findings indicate that the migratory paths of Mexican loggerheads and green turtles intersect with commercial fishing areas, especially longline and shrimp trawl fisheries, posing serious threats to their populations in the Gulf of Mexico and mid-Atlantic.
Genotoxic damage in green turtles (Chelonia mydas) exhibits regional and annual fluctuations.
Mar Environ Res
November 2024
Laboratorio Ecología de la Salud, Facultad de Ciencias, Universidad Autónoma de San Luis Potosí, Avenida Chapultepec #1570, Privadas del Pedregal, C.P. 78295, San Luis Potosí, San Luis Potosí, Mexico. Electronic address:
Tourism, urban development, and sargasso beaching caused environmental alterations in the Mexican Caribbean coasts. Little ecotoxicological information exists on the green turtle (Chelonia mydas) population inhabiting this region. Micronucleus (MN) and erythrocytic nuclear abnormalities (ENA) tests are non-destructive DNA damage biomarkers.
View Article and Find Full Text PDFInter- and intraspecific blood-related biomarkers and chemical exposure in confined and free-living sea turtles.
Environ Res
January 2025
Institut de Ciències del Mar, CSIC, Psg. Marítim de La Barceloneta 37-49, 08003, Barcelona, Spain. Electronic address:
Article Synopsis
- - The global importance of recovery centers and head-start programs for sea turtles focuses on their roles in rescue and conservation, while also generating crucial health data for monitoring and research on these species.
- - This study evaluated non-invasive blood biomarkers and ecotoxicological impacts in both confined green sea turtles and free-living turtles from the Mexican Caribbean, highlighting significant health differences influenced by captivity.
- - Findings revealed concerning health indicators in confined green turtles, such as abnormal blood cells and elevated toxin levels, compared to wild counterparts, emphasizing the need for improved health monitoring and conservation policies.
Citizen science enhances understanding of sea turtle distribution in the Gulf of California.
PeerJ
November 2024
School of Ocean Futures, Arizona State University, Tempe, AZ, United States of America.
Citizen science is a valuable tool for addressing spatial distribution gaps in endangered species, especially in data-limited regions. Given the logistical and financial challenges of studying migratory species, this cost-effective approach contributes to strategic conservation planning. The Bay of La Paz, located in Baja California Sur, México, is considered an ecologically important region within the larger Gulf of California.
View Article and Find Full Text PDFEvidence of oxidative stress responses of green turtles (Chelonia mydas) to differential habitat conditions in the Mexican Caribbean.
Sci Total Environ
October 2024
Laboratorio de Estrés Oxidativo, Programa de Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional #195, Playa Palo de Santa Rita Sur, C.P. 23096 La Paz, Baja California Sur, Mexico. Electronic address:
Important foraging and nesting habitats for Caribbean green sea turtles (Chelonia mydas) exist within the Mesoamerican Reef System in the Mexican Caribbean. During the last 25 years, urban development and touristic activities have drastically increased in Quintana Roo, Mexico. Moreover, in the last decade, massive pelagic sargasso blooms have also afflicted this region; however, information about the biochemical responses of Caribbean green turtles to these inputs is absent.
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