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Microplásticos presentes en lavados esofágicos de la tortuga verde (Chelonia mydas Linnaeus, 1758) en el Parque Nacional Zona Marina Archipiélago Espíritu Santo, Baja California Sur
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Researchers documented microplastics in esophageal lavage samples from green sea turtles (Chelonia mydas) in the Espíritu Santo Archipelago Marine National Park in Baja California Sur, contributing evidence of plastic ingestion in this protected marine species within a designated conservation area.
La tortuga verde Pacifico
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Ingestion of microplastic debris by green sea turtles (Chelonia mydas) in the Great Barrier Reef: Validation of a sequential extraction protocol
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Researchers developed and validated a sequential extraction protocol for recovering microplastics from green sea turtle intestinal contents, finding microplastics in turtles from the Great Barrier Reef. The validated method enables more consistent and accurate assessment of microplastic contamination in sea turtles, which are both ecologically important and frequently exposed to marine debris.
A non-invasive method of microplastics pollution quantification in green sea turtle Chelonia mydas of the Mexican Caribbean
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Researchers used a non-invasive method of analyzing green sea turtle feces to measure microplastic contamination near the Caribbean coast of Mexico, finding between 10 and 89 microplastic particles per gram. Fibers were the most common type, made of nylon, PVC, polypropylene, and polyester. The study shows that even marine wildlife in relatively remote areas is exposed to significant microplastic pollution, and provides a way to monitor contamination without harming the animals.
Plastic pollution and health metrics in wild juvenile green sea turtles (Chelonia mydas) from two Ecuadorian national parks: Galápagos and Machalilla
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Researchers examined wild juvenile green sea turtles from two Ecuadorian national parks to assess plastic pollution in their feces and its relationship to health metrics. Using infrared spectroscopy, they identified various plastic polymers in fecal samples from both the Galapagos and Machalilla populations. The study provides evidence that plastic ingestion is widespread among young sea turtles, even in protected marine areas.
Microplastic Occurrence in the Diet of Green Sea Turtles (Chelonia mydas) From the Coastal Region of São Paulo, Brazil
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Researchers analyzed the gastrointestinal contents of 218 green sea turtles from the coast of Sao Paulo, Brazil, and detected microplastics in nearly 46% of samples. Microplastics were found in 75% of samples from the more urbanized central-south coast compared to 35% from the northern coast, suggesting that proximity to human activity significantly influences microplastic ingestion rates in marine wildlife.
Presencia de microplásticos en especies marinas del Parque Nacional Marino las Baulas
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Researchers detected microplastics in the digestive systems of seven pelagic fish species and one benthic crustacean from Marino Las Baulas National Park on Costa Rica's Pacific coast, finding microplastics in 89% of fish (averaging 3.75 particles/fish, predominantly fibers) and 76% of crustaceans. This first report from this protected area confirms plastic contamination has reached high-trophic-level marine species in the region.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.