Localities Boubín and Milešice represent particularly Acidic and Fresh nutrient medium spruce-beech forests. These forest stand types are very important in the scope of both area and wood-producting stands of the Czech Republic. Especially the Boubín (Kubani) natural forest represents a very valuable and felling aloof forest stand. It was just founded as a forest research reserve. Owing to the verderer Josef John, who processed the first detailed dendrometry in the Boubín natural forest in 1847, we have got unique data sets for the time series of over 160 years.

The hurricane Emma blew over the sites in March 2008 and left notable traces behind reserves' current states. The wind did not inflict large disturbances – it broke forest stands into pieces with various intensity. Both sites are fenced – especially Milešice, the site located inside a game-park, had to be necessarily protected against the deer game pressure. The Stožec-Medvědice natural forest brings a view on mountain talus forest with principal tree species sycamore maple, spruce, and elm.