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61,005 resultsShowing papers similar to Microplastic contamination and ecological risk assessment in two tree frog species (Hyla orientalis and Hyla savignyi) across Türkiye
ClearSpatiotemporal distribution of microplastics in true frogs (Ranidae:Pelophylax) populations from Türkiye
Researchers examined preserved frog stomach contents from 146 true frogs collected across Turkey and found microplastics in nearly 60% of individuals, with plastic fibers being the most common form. The findings show that frogs — which live both in water and on land — are useful indicators of microplastic contamination across multiple ecosystems, and that exposure has been occurring for decades.
Distribution of microplastics in tadpoles, adults, and habitats of three water frogs of Pelophylax spp.
Researchers examined microplastics in water frogs and their habitats across Turkey, finding that while tadpoles showed almost no microplastic ingestion, 44% of adult frogs had microplastics in their digestive tracts — mostly fibers from synthetic textiles. The findings highlight how microplastic contamination increases with life stage and proximity to human activity, threatening amphibian populations already under environmental stress.
Microplastic footprints in marsh frogs (Pelophylax ridibundus) from two Turkish lakes
Researchers examined microplastic contamination in marsh frogs and their habitats at two Turkish lakes with different levels of human activity. Microplastics were found in frog digestive tracts, water, and sediment at both locations, with fibers being the most common particle type. The lake near higher human activity showed greater contamination, suggesting that urbanization and human presence are significant drivers of freshwater microplastic pollution.
Microplastic prevalence in anatolian water frogs (Pelophylax spp.)
Researchers found microplastics in the tissues of anatolian water frogs (Pelophylax spp.) collected from freshwater habitats in Turkey, documenting prevalence and characteristics of plastic particles in these amphibians whose populations are already stressed by multiple environmental pressures.
Same genus, same burden: Microplastic pollution in banded newts
Researchers examined microplastic ingestion in three species of banded newts from freshwater habitats across Turkey and found plastic particles in 29-43% of individuals. PET fibers were the most common type detected, with no significant differences between species despite their different habitats. The consistent contamination levels across all three species suggest that microplastic pollution is widespread in freshwater environments and that these amphibians may serve as useful indicators of water quality.
Characterization of microplastic pollution in tadpoles living in small water-bodies from Rize, the northeast of Turkey
Researchers characterized microplastic pollution in tadpoles (Pelophylax ridibundus and Rana macrocnemis), sediments, and surface water from small water bodies in northeastern Turkey, finding MPs across all compartments with tadpole tissue containing 302.62-306.69 items per gram. PET, nylon, and polyacrylic were the dominant polymers in tadpoles, while PP and PE dominated sediments, highlighting microplastic transfer across freshwater and terrestrial habitats.
Spatiotemporal variation in the ingestion of microplastics in aquatic and terrestrial salamanders endemic to Türkiye
Researchers examined microplastic ingestion in both aquatic and land-dwelling salamander species across Turkey. They detected microplastics in about 34% of the 232 salamanders studied, with juvenile animals showing higher concentrations than adults, and fiber-shaped particles being most common. The study suggests that microplastic contamination affects amphibians regardless of whether they live in water or on land, indicating the pervasive reach of this pollution.
Microplastic Pollution at Different Trophic Levels of Freshwater Fish in a Variety of Türkiye`s Lakes and Dams
This study surveyed microplastic contamination in seven freshwater fish species from lakes and reservoirs across Türkiye, finding microplastic particles in the gastrointestinal tracts of all 406 fish examined. All ingested microplastics were fibres, predominantly blue in colour, suggesting textile sources. The broad geographic scope and 100% prevalence across species and water bodies indicate that microplastic contamination of freshwater fish is widespread throughout Türkiye, with implications for human exposure through fish consumption.
Microplastic contamination in the gastrointestinal tracts of the Caucasian toad and its habitat at Karagöl Lake, Türkiye
Researchers examined microplastic contamination in Caucasian toads and their lake habitat in a protected area of Turkey. They found that nearly half the toads contained microplastics in their digestive tracts, mainly fibers likely linked to textile and recreational activities. The study shows that even remote, high-altitude environments are not safe from microplastic pollution, underscoring the need for monitoring in amphibian habitats.
Hazard assessment of microplastics and heavy metals contamination in Levant frogs (Pelophylax bedriagae): A bioindicator in Western Iran
Scientists examined frogs from 16 locations in western Iran and found microplastics and heavy metals in their digestive tracts, confirming these animals are useful indicators of environmental contamination. Fibers were the most common microplastic type found, mainly from polyethylene and polypropylene. The study shows that microplastic pollution has reached freshwater habitats in Iran and is being ingested by amphibians that are part of broader food webs.
Microplastic ingestion in invasive mosquitofish (Gambusia holbrooki): a nationwide survey from Türkiye
Researchers conducted a nationwide survey of microplastic ingestion in 621 invasive mosquitofish across 24 freshwater sites in Turkey. They found that fibers were the dominant particle shape at 66%, with PET and polyethylene being the most common polymer types, and that fish from sites with higher anthropogenic pressure contained more microplastics. The study provides large-scale evidence that freshwater fish widely ingest microplastics, with contamination levels reflecting local human activity.
Microplastic ingestion in invasive mosquitofish (Gambusia holbrooki): a nationwide survey from Türkiye
Researchers surveyed microplastic ingestion in over 600 mosquitofish across 24 freshwater sites in Türkiye, finding microplastics in fish at nearly all sites, with PET and polyethylene fibers dominating and higher contamination near agricultural and residential areas. The study demonstrates that this invasive, surface-feeding fish is an effective indicator species for tracking localized microplastic pollution.
Microplastic pollution and ecological risk assessment of a pond ecosystem
Researchers quantified and characterized microplastics in a freshwater pond in Turkey, finding particles at all five sampling stations across multiple size classes. The study contributes baseline data on microplastic pollution in inland freshwater ecosystems in the region, where such monitoring is still limited despite the potential for drinking water and wildlife exposure.
Microplastic accumulation in various bird species in Turkey
Researchers analyzed microplastic contamination in 12 bird species in Turkey, providing the first data of its kind for the country. They found microplastics in all species examined, with variations in particle types and concentrations across different birds. The study contributes to the growing evidence that microplastic pollution affects wildlife across diverse habitats and feeding strategies.
Microplastic pollution in two remote rivers of Türkiye
Researchers documented microplastic pollution in two remote rivers of Turkey, finding that even waterways far from major urban centers contain significant microplastic contamination, highlighting the widespread reach of plastic pollution in freshwater ecosystems.
Microplastic accumulation in a lizard species: Observations from the terrestrial environments
Researchers examined 152 snake-eyed lizards from 18 populations in Turkey and found microplastics in the digestive tracts of about 22% of them. Fibers and fragments were the most common types, likely coming from synthetic textiles and plastic waste in the lizards' habitats. This is one of the first studies showing that microplastic contamination has spread to terrestrial reptiles, meaning land-based food chains are also affected.
Microplastic Pollution in Turkish Aquatic Ecosystems: Sources, Characteristics, Implications, and Mitigation Strategies
This systematic review surveys microplastic pollution across Turkish rivers, lakes, and coastal waters. It found widespread contamination from textile fibers, packaging fragments, and agricultural films, with potential implications for local seafood safety and drinking water quality.
Microplastic ingestion in invasive mosquitofish (Gambusia holbrooki): a nationwide survey from Türkiye
Researchers examined microplastic ingestion in 621 invasive mosquitofish (Gambusia holbrooki) from 24 freshwater sites across Turkey and found microplastics present across diverse habitat types, with fibers the dominant form (66%), and contamination levels varying with anthropogenic pressure.
Variation in microplastic characteristics among amphibian larvae: a comparative study across different species and the influence of human activity
Scientists examined microplastics inside amphibian larvae from 10 species and found plastic particles in all of them, with blue fibers being the most common type. Larger larvae tended to contain longer plastic fragments, and there was a relationship between human activity levels near habitats and the characteristics of the plastics found. This study shows that microplastic contamination has penetrated freshwater food webs, affecting animals during their most vulnerable developmental stages.
Characterization of Ingested Microplastics in a Regional Endemic Lizard Apathya cappadocica (Werner, 1902) from Türkiye
Researchers found microplastics in 19.35% of Apathya cappadocica lizards examined in Türkiye, with 27 total particles detected, predominantly fibers in navy blue, red, and black colors ranging from 50 to 1,727 micrometers, marking one of the first records of microplastic ingestion in this endemic reptile species.
The presence of microplastics in Baran’s newt (Neurergus barani Öz, 1994) and the spotted newt (Neurergus strauchii Steindachner, 1887)
Researchers examined two endemic newt species in Turkey and found microplastics present in their digestive tracts, marking the first such documentation for these species. Polyethylene and polypropylene were the most common polymer types detected. The findings raise concerns about microplastic exposure in freshwater amphibians, particularly for species with already limited and vulnerable populations.
Microplastic contamination in the pellets of the Egyptian vultures (Neophron percnopterus) as terrestrial bioindicators across contrasting landscapes in Türkiye
Researchers examined regurgitated pellets from Egyptian vultures across two regions of Türkiye and found microplastics in 93% of them, with fibers and PET (the plastic in drink bottles) being the most common types. The findings suggest these endangered birds can serve as living monitors for land-based microplastic pollution, reflecting contamination moving through the food chain.
First record of microplastic contamination in adult endemic amazonian anuran species
For the first time, researchers documented microplastic contamination in two frog species found only in the Amazon, examining their digestive, respiratory, and skin systems. Both species had significant microplastic contamination, with the skin and digestive tract showing the highest levels. This study is important because it shows microplastics have reached even remote Amazonian ecosystems and are contaminating amphibians, which serve as indicators of overall environmental health.
Microplastics Occurrence in the European Common Frog (Rana temporaria) from Cottian Alps (Northwest Italy)
Adult European common frogs (Rana temporaria) from high-mountain sites in the Cottian Alps of northwest Italy were found to contain plastic particles in their gastrointestinal tracts, representing one of the first records of microplastic ingestion in this species from an alpine ecosystem. The study demonstrates that plastic contamination has penetrated even remote mountain amphibian populations far from direct human plastic sources.