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The region of Spis in North - Eastern Slovakia is a region rich in cultural and natural values. Small sacral structures are significant elements of Spis cultural landscapes and trees are an integral part of them. This paper presents results of field mapping of small sacral objects and their greenery in this region. The presented mapping was conducted within the research project VEGA 1/0371/18 ?SacralArch: Preservation of the Historical Legacy and Architectural Diversity of Small Sacral Structures in Cultural Lands...

This paper describes the IFIM method (Instream Flow Incremental Methodology) for determining the minimum discharge, which, in addition to hydrological parameters, takes hydraulic, morphological and ichthyic parameters into account as well. The basic principle of the method is the relationship between the fish population and its habitat, i.e. that most of the fish species prefer certain combinations of depths, stream velocities and bed materials. If the values for a species living in the section of the river invest...