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Microplastic ingestion by tadpoles of pond-breeding amphibians—first results from Central Europe (SW Poland)
Summary
This study found microplastics in the guts of tadpoles from five amphibian species collected from eight ponds in southwestern Poland, identifying polyethylene and polypropylene as the most common polymer types. The detection of microplastics in freshwater amphibian larvae in Central European ponds confirms that plastic pollution has reached small, inland water bodies and is affecting early developmental stages of amphibians.
Microplastics (MPs) are one of the major threats to aquatic ecosystems. Surprisingly, our knowledge of its occurrence and its impact on the organisms that dwell in small water bodies is still scarce. The aim of this study was to investigate the occurrence and chemical composition of MPs in tadpoles of pond-breeding amphibians. In total, 201 tadpoles belonging to 5 species were collected from 8 ponds located in southwestern Poland. MPs were found in all examined sites and in all studied species. Among those tested, 53 (26%) tadpoles ingested a total of 71 MPs. IR-ATR analysis revealed that particles were of anthropogenic origin and included nylon, polyurethane, polyisoprene and 1,2 polybutadiene.