Abstract
For the first time, the concentration of plastic particles in surface water of Lake Baikal was evaluated. The concentrations of plastic particles were evaluated in trawl samples taken in the coastal zone of the most densely populated southeastern coast and in the Maloe More―one of the most popular tourist zones in Baikal. Converted to water surface area, the concentration of plastic particles varied from 19 000 to 75 000 per 1 km2, at an average of 42 000 particles per 1 km2, suggesting a high level of plastic pollution. By their chemistry, the particles were classified as polyethylene, polypropylene, and polystyrene. The microplastic found in the study is assumed to be the product of decay of various domestic packing materials.
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