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Research of the Microplastic Content in the Floodplain Alluvium of the Upper Volga
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Researchers collected and analyzed soil samples from floodplain alluvium along the Upper Volga River near Tver, Russia, using a modified NOAA protocol to detect and characterize microplastic accumulation. Microplastic particles were found in all samples, with the highest concentrations near plastic production and processing enterprises, and films, granules, and fragments in the 1-2.5mm size range predominating.
The results of the research of the microplastic accumulation in the floodplain alluvium of the river Volga in the area of Tver are presented Soil samples were taken within the city, upstream and downstream of the river. Samples were processed using a modified method of the US National Oceanic and Atmospheric Administration (NOAA). Microplastic particles were detected in all samples, the largest amount was found in the area where plastic production and processing enterprises are located. It has been established that films, granules and fragments of plastic particles predominate in all selected samples ranging in size from 1 to 2.5 mm along the largest axis.
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Research of the Microplastic Content in the Floodplain Alluvium of the Upper Volga
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Researchers examined microplastic accumulation in floodplain alluvium of the upper Volga River near the city of Tver, collecting soil samples from within the city and both upstream and downstream using a modified NOAA extraction protocol. Microplastic particles were detected in all samples, with films, granules, and fragments in the 1-2.5 mm size range predominating, and higher concentrations found within the urban area.
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Researchers conducted the first comprehensive survey of microplastic pollution along the entire Volga River in summer 2020, finding an average concentration of 0.90 items/m3 with microplastics present in all 34 samples and maximum concentrations near urban centers.
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Researchers reported field measurements of microplastic concentrations in the Volga River during summer 2020, finding plastics at all sampling stations across this major Russian waterway. The study contributes baseline data on microplastic pollution in one of Europe's largest rivers, which drains into the Caspian Sea.
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Researchers assessed microplastic concentrations in major rivers and reservoirs of southern Russia — including the Lower Don, Lower Volga, Seversky Donets, and Tsimlyansk Reservoir — using multiple sampling methods across several years. Concentrations ranged from 12.3 to 94.32 particles/m3 in more recent surveys, with the highest accumulation observed in anthropogenically impacted areas, tributaries, and near hydraulic structures, and transparent polyethylene and PET fibers being the most common particle type.
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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.