- 2023 - 2027 Reconstruction of historical vegetation changes in the quasi-alpine zone by pollen and plant opal analyses
- 2010 - 2012 The role of defense system of tree seedlings in the natural regeneration
- 2005 - 2007 Study in the mechanisms of species diversity in temperate hardwood forests and the restoration programs
- 1995 - 1996 Large scale and long term study on forest dynamics
- 1991 - 1993 Regeneration processes and ecophysiological properties of young growths in the floor of natural forests of deciduous tree species and hiba arborvitae
- 1990 - 1991 Vegetational change since the Last Glacial Age in the Nepalese Himalaya, analysis of the cirque lake sediments.
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