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Microplastic in the Danube River and its Main Tributaries - Ingestion by Freshwater Macroinvertebrates
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Microplastics contamination in wild populations of freshwater fish Alburnus alburnus from the Danube River: ecological implications and bioindicator potential
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Microplastics were detected in 51% of wild common bleak fish from the Danube River, with longer fish more likely to contain particles and fish with lower body condition more frequently affected, suggesting real-world ecological impacts even at low exposure levels. Common bleak's feeding behavior makes it a valuable bioindicator for freshwater microplastic monitoring, with implications for human health given its role in regional food chains.
“Down by the River”: (Micro-) Plastic Pollution of Running Freshwaters with Special Emphasis on the Austrian Danube
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Researchers examined how rivers, including Austria's Danube, act as major highways for transporting microplastics from land into the ocean, carrying a wide variety of plastic types in high concentrations. Understanding river transport pathways is key to identifying pollution sources and designing effective interventions before plastics reach the sea.
Microplastics in Freshwater Environments: Sources, Behaviour, and Ecotoxicity
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Researchers reviewed sources, transport behavior, and ecotoxicological impacts of microplastics in freshwater ecosystems, finding that rivers and lakes are both pathways and sinks for plastic particles and that biological effects on freshwater organisms remain poorly characterized compared to marine systems.
Microplastics in the Danube River and Its Main Tributaries—Ingestion by Freshwater Macroinvertebrates
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Researchers measured microplastic concentrations in the Danube River and its major tributaries and analyzed ingestion by freshwater fish species collected from multiple sites. Microplastics were detected in a significant proportion of fish, with ingestion rates correlating with local plastic contamination levels, documenting widespread plastic exposure across the Danube watershed's fish communities.
Microplastics in Freshwater Environments: Sources, Fates and Toxicity
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Researchers reviewed the sources, environmental fate, and toxicity of microplastics in freshwater ecosystems, finding that microplastics cause physical injury and histological damage to aquatic organisms and act as vectors amplifying the toxicity of co-occurring chemical pollutants.
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