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Microplastic Content in the Gastrointestinal Tract of Some Fish Species of Lake Kubenskoe (Vologda Oblast)
Summary
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.
Quantitative assessment of microplastic content in the gastrointestinal tract of perch, roach and bream of Kubenskое Lake in the Vologda region was conducted. Microplastics were detected in 60% of bream specimens and 43% of perch specimens. No plastic microparticles were found in the gastrointestinal tract of the roach. It was found average number of microplastic particles was 1.6 ± 0.4 items per individual of bream, and 4.2 ± 1.4 items of microplastic per individual of perch. Microplastics in the gastrointestinal tract of fish were mainly represented by fibers with a small proportion of fragments and films. No significant differences (р 0.05) in the content of microplastics in the gastrointestinal tract of benthivorous (bream) and euryphage (perch) were found. The data obtained are the first evidence of the presence of microplastics in fish of the Vologda Oblast water bodies.