Marino Abrego

Vulnerability of the Critically Endangered leatherback turtle to fisheries bycatch in the eastern Pacific Ocean. II. Assessment of mitigation measures

SP Griffiths, BP Wallace, Verónica Lucía Cáceres, L. F. Martín Rodríguez et autres

Industrial tuna and artisanal fisheries targeting multiple species in the eastern Pacific Ocean (EPO) interact with the Critically Endangered East Pacific (EP) leatherback turtle Dermochelys coriacea. In 2021, a revised Inter-American Tropical Tuna Commission (IATTC) resolution on sea turtles aimed to reduce …

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Vulnerability of the Critically Endangered leatherback turtle to fisheries bycatch in the eastern Pacific Ocean. I. A machine-learning species distribution model

Jon López, Shane Paul Griffiths, BP Wallace, Verónica Lucía Cáceres et autres

The Eastern Pacific population of leatherback turtles Dermochelys coriacea is Critically Endangered, with incidental capture in coastal and pelagic fisheries as one of the major causes. Given the population’s broad geographic range, status, and extensive overlap with fisheries throughout the region, identifying …

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Integrating telemetry and point observations to inform management and conservation of migratory marine species

Dong Liang, Helen Bailey, Aimee L. Hoover, Scott A. Eckert et autres

Abstract Species distribution models have been widely used in both terrestrial and marine systems, and applications have included invasive species management, evaluating potential effects of climate change, and conservation. Generally, only a single type of data can be accommodated within the model …

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Enhanced, coordinated conservation efforts required to avoid extinction of critically endangered Eastern Pacific leatherback turtles

Marino Abrego, Nicolas Acuña‐Perales, Joanna Alfaro‐Shigueto, Jorge Azócar et autres

Failure to improve the conservation status of endangered species is often related to inadequate allocation of conservation resources to highest priority issues. Eastern Pacific (EP) leatherbacks are perhaps the most endangered sea turtle population in the world, and continue on a path …

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Rapid Assessments of Leatherback Small-Scale Fishery Bycatch in Internesting Areas in the Eastern Pacific Ocean

Clara Ortíz-Alvarez, Mariela Pajuelo, Daniel Grados, Marino Abrego et autres

The East Pacific (EP) leatherback population is listed by the IUCN Red List of Threatened species as Critically Endangered. Despite conservation efforts, mainly focused around nesting areas, its population has declined by over 90% since the 1980s. The major current threat is …

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Rookery contributions, movements and conservation needs of hawksbill turtles at foraging grounds in the eastern Pacific Ocean

AR Gaos, RL Lewison, Michael P. Jensen, MJ Liles et autres

Understanding the spatial ecology of wide-ranging marine species is fundamental to advancing ecological research and species management. For marine turtles, genetic studies using mitochondrial DNA (mtDNA) markers have proven invaluable to characterize movement, particularly between rookeries (i.e. nesting sites) and foraging grounds. …

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Natal foraging philopatry in eastern Pacific hawksbill turtles

Alexander R. Gaos, Rebecca L. Lewison, Michael P. Jensen, Michael J. Liles et autres

The complex processes involved with animal migration have long been a subject of biological interest, and broad-scale movement patterns of many marine turtle populations still remain unresolved. While it is widely accepted that once marine turtles reach sexual maturity they home to …

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Distribution, size range and growth rates of hawksbill turtles at a major foraging ground in the eastern Pacific Ocean

Israel Llamas, Eric E. Flores, Marino Abrego, Jeffrey A. Seminoff et autres

Hawksbill sea turtles (Eretmochelys imbricata) inhabiting the eastern Pacific Ocean are one of the world's most threatened marine turtle management units. Despite the fact that knowledge about the status of sea turtles at foraging grounds is a key element for developing the …

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Supplementary material from "Natal foraging philopatry in eastern Pacific hawksbill turtles"

Alexander R. Gaos, Rebecca L. Lewison, Michael P. Jensen, Michael J. Liles et autres

The complex processes involved with animal migration have long been a subject of biological interest and broad-scale movement patterns of many marine turtle populations still remain unresolved. While it is widely accepted that once marine turtles reach sexual maturity they home to …

Supplemental Table 1 from Natal foraging philopatry in eastern Pacific hawksbill turtles

Alexander R. Gaos, Rebecca L. Lewison, Michael P. Jensen, Michael J. Liles et autres

Results (mean % ± 95% confidence intervals in parentheses) from the Bayesian mixed stock analysis from hawksbill rookeries ranked by location to the four regional foraging grounds (RFGs). The two rookeries in RFG2 were combined into a single regional estimate for the …