TY JOUR TI COMPARATIVE ASSESSMENT OF THE RESPONSE TO THE FUNCTIONAL TEST- LOAD OF THE CARDIOVASCULAR SYSTEM OF UNIO TUMIDUS BIVALVE MOLLUSKS LIVING IN LAKES WITH DIFFERENT TROPHIC STATUS KW cardioactivity KW functional load test KW bivalves KW Unio tumidus KW ecotoxicological assessment KW freshwater bodies KW trophic status JO Transactions of Papanin Institute for Biology of Inland Waters RAS AU Lyubimtsev, V.A. AU Kholodkevich, S.V. AU Adamovich, B.V. AU Khotyanovitch, Y.N. AU Chuyko, G.M. PY 2025 IS 0 PB Papanin Institute for Biology of Inland Waters Russian Academy of Sciences