Flousek J. & Volf O.: Are We Generous to the Black Grouse?
The Black Grouse (Tetrao tetrix) is a severely endangered species in the Czech Republic and its numbers decreased by 80% during the past 30 years (Fig. 1).
Nature Conservation 3/2012 — 17. 10. 2012 — Research, Surveys and Data Management — Print article in pdf
Ouhrabka V. & Mlejnek R.: Caves Being Created – Crevice Caves
In the Czech Republic, about 250 crevice caves have been registered in geologically diverse bedrock. Cervices often resulted from gravitational movements of rock blocks along tectonic or non-tectonic fissures.
Nature Conservation 3/2012 — 17. 10. 2012 — Research, Surveys and Data Management — Print article in pdf