The project is aimed at revising and updating the delimitation of the compositional parts of the territorial system of ecological stability (ÚSES) on the territory of protected landscape areas (PKO) Beskydy, White Carpathians, Blaník, Blanský les, Broumovsko, Bohemian Karst, Bohemian Forest, Bohemian Paradise, Jeseníky Mountains, Jizera Mountains, Křivoklátsko, Lusatian Mountains, Moravian Karst, Eagle Mountains, Pálava, Slavkov Forest, Třeboňsko, Žďárské vrchy and Železné Mountains. The output of the project will be the unified plans of the ÚSES for individual PLAs.