%A ?. ?. ??????????? %A ?. ?. ????? %A ?. ?. ????? %J ????????? ??????? ??????????? ????? %T ??????????? ???????? ????????? Planorbarius corneus (Linnaeus, 1758) ? ??????????? ??????? ? ??????? ?? ????????? ??????????? ???????????? ?????????? ???? ???????? %X Planorbarius corneus is one of the species which combines two allospecies ? "western" and "eastern".The habitats are separated by a wide area of introgressive hybridization. Also was researched the influence of modern , climatic infractions of environment on distribution of elo-species in hydroway of natural-geographical zones of Ukraine. In a result of global warming and infraction happened reduction of general population, density of population and changed life cycle of these shellfishes. %K Planorbarius corneus allospecies ("western" and "eastern"), melioration, global warming, estivation, hybernation. %P 96-98 %D 2020 %I ?????????? ????????? ??????????? ????? ?????? ?????? %L zu230999