He works at the Botanical Institute of the Czech Academy of Sciences focusing on plant sociology, invasion ecology and Holocene landscape evolution. He is the author of the essay Krajina jako interpretovaný text (Landscape as an interpreted text, 1994), the text Prázdná země (Empty land, 2007), and co-author of the books Biologie krajiny (Biology of the landscape, 1999), Krajina a revoluce (Landscape and revolution, 2005), and Mlsné čenichání jihovýchodním směrem (Sniffing in the Southeast direction, 2014). Every now and then he contributes to journals Vesmír and Analogon.