title: Use of indicator experiments in ecological and hydrogeological studies of karst waters in Crimea
abstract: Introduction. The use of karst groundwater in Crimea is based on the ecological and hydrogeological data obtained in the 60-80s of the last century and requires updating of scientific approaches. Information about in what direction, at what velocity can move and where the pollutant that reached groundwater will appear are the key issues of geo-ecology and water safety of the Republic of Crimea. The aim of this paper is to analyze the current capabilities of the karst water tracing method and to 
journal: Sustainable Development of Mountain Territories