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Microplastic Content in the Gastrointestinal Tract of Some Fish Species of Lake Kubenskoe (Vologda Oblast)
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Researchers analyzed gastrointestinal contents of fish species from Lake Baikal for microplastic particles, finding plastics in a proportion of sampled fish across multiple species. Fibres dominated the ingested particle types, and microplastic occurrence correlated with proximity to tourist and recreational areas along the lakeshore, linking human activity to plastic ingestion in this globally important freshwater system.
A quantitative assessment of microplastic (MP) content has been conducted in the gastrointestinal tract of perch, roach, and bream in Lake Kubenskое in Vologda oblast. MPs are detected in 60% of bream specimens and 43% of perch specimens. Plastic microparticles are not found in the gastrointestinal tract of the roach. It is found that the average number of MP particles is 1.6 ± 0.4 items per bream individual and 4.2 ± 1.4 items of MP per perch individual. MPs in the gastrointestinal tract of fish are mainly fibers, with a small proportion of fragments and films. No significant differences (р > 0.05) in the content of MPs in the gastrointestinal tract of benthivorous (bream) and euryphagous (perch) fish are found. These data are the first evidence of the presence of MPs in fish in the water bodies of Vologda oblast.
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Microplastic Content in the Gastrointestinal Tract of Some Fish Species of Lake Kubenskoe (Vologda Oblast)
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Researchers quantified microplastic content in the gastrointestinal tracts of perch, roach, and bream from Lake Kubenskoe in the Vologda region of Russia, representing the first evidence of microplastic contamination in fish from Vologda Oblast water bodies. MPs were detected in 60% of bream and 43% of perch individuals but not in roach, with average loads of 1.6 particles per bream and 4.2 particles per perch, predominantly in fiber form.
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