Forest is an irreplaceable constituent of the environment. In the conditions of the Czech Republic, it covers approximately a third of the country's area. Forests fulfil a range of functions that we call ecosystem services. Their basic division is into market and non-market services. Looking for forest stands with dominant non-market forest functions, a typical example is the territory of Prague City with special-purpose forests and their high attendance and utilization throughout the year. This publication aims at summarizing the main findings about the extremely high significance of forests...