TY JOUR TI Microplastics in freshwater ecosystems: sources, research methods and environmental consequences. Experience of russian researchers and prospects for pollution control in Khanty-Mansiysk Autonomous Okrug – Yugra KW microplastics KW pollution KW surface waters KW control methods KW Khanty-Mansiysk Autonomous Okrug-Yugra JO Bulletin of Nizhnevartovsk State University AU Tomilov, A.. AU Storchak, T.. AU Gogoi, S.B. AU Bitner, M.. AU Didenko, N.. PY 2025 IS PB Nizhnevartovsk State University