Semi-natural grasslands form an important part of the National Park and determine the landscape character of the area. Due to migration and human activities, plant species from the foothills and alpine areas have come into contact in the montane zone and coexist in new communities. The mechanisms behind the high diversity of local grasslands have been investigated since the 1980s. and Hana Skálová, František Krahulec.
Abandonment of semi-natural grasslands in the Krkonoše Mountains National Park has resulted in substantial changes in their structure and species composition. Alternative management strategies to maintain species diversity have been tested since the 1990s. These include different combinations of mowing, fertilization, grazing and mulching. and Hana Skálová, František Krahulec.