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Microplastic and Heavy Metal Accumulation in Olive Ridley (Lepidochelys olivacea) Eggs from Pacific Panama
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Scientists found microplastics and heavy metals inside sea turtle eggs from beaches in Panama, showing that this pollution has worked its way into developing wildlife before they're even born. This matters because it shows plastics and metals are spreading through food chains and ecosystems, a warning sign for the same contamination risks humans face through seafood and the environment.
This dataset contains the raw data underlying the study of microplastic (MP) and heavy metal (HM) accumulation in olive ridley turtle (Lepidochelys olivacea) eggs from Pacific Panama. The dataset includes MP occurrence and characteristics recorded in freshly laid (FL) eggs collected at two nesting sites, Malena and La Marinera, as well as FL and unviable incubated eggs that failed to develop (InFtD) collected at Malena. It also includes concentrations of selected heavy metals and trace elements measured in Malena eggs using inductively coupled plasma mass spectrometry (ICP-MS). The dataset provides the underlying observations and measurements used for the statistical analyses and results presented in the associated manuscript.
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Microplastic and Heavy Metal Accumulation in Olive Ridley (Lepidochelys olivacea) Eggs from Pacific Panama
AI summary Read the abstract
Scientists found microplastics and heavy metals inside sea turtle eggs from beaches in Panama, meaning these pollutants are being passed down from mother to offspring before the babies even hatch. This matters because it shows how deeply plastic pollution has infiltrated ocean ecosystems, raising concerns about similar contamination working its way through the food chain and, potentially, into the seafood people eat.
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Researchers surveyed plastic debris—both macro- and microplastics—at five sections of a sea turtle nesting beach in San Jacinto, Ecuador, and assessed whether contamination correlated with reproductive outcomes for 28 Olive Ridley sea turtle nests. Higher plastic accumulation was associated with altered nest temperatures and reduced hatching success, demonstrating that beach plastic contamination directly threatens sea turtle reproduction.
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Researchers found that 79% of neonate sea turtles washed ashore dead on Florida's Atlantic coast had ingested plastics, with microplastics being the most common type found. This high rate of plastic ingestion in very young turtles—before they have even left coastal waters—points to a severe and early-life pollution problem affecting an already threatened species.
Microplastic Pollution in Sea Turtle Nests on the Beaches of Nautla and Vega de Alatorre, Veracruz
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Researchers assessed microplastic pollution in sea turtle nesting beaches in Veracruz, Mexico, documenting contamination levels and types that could alter sand properties and negatively affect turtle egg incubation conditions.
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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.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.