METHODS OF SLANA RIVER RESTORATION TO IMPROVE THE STATE OF ECOSYSTEM
The article presents the results of study on the ecological state of Slana River (Slovakia) and an assessment of catastrophic pollution due to the mine water leakage from the Siderit iron ore mine (village of Nižná Slana). The geological structure of the siderite deposit is described, the organization of geochemical data monitoring is analyzed using trend analysis and a correlation matrix for ecological and hydrochemical tasks. The study has confirmed the increased content of Fe, Ni, Mn, sulfates and As (components of the ore formation).