1. Department of Environment and Forest Engineering, School of Engineering and Applied Sciences, National University of Mongolia, Ulaanbaatar, Mongolia
2. Institute of Forest Science, National University of Mongolia, Ulaanbaatar, Mongolia
3. Laboratory of Forest Phytocoenology, Botanic Garden and Research Institute, Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
4. Devision of Forest Resources and Forest Protection, Institute of Geography and Geoecology, Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
5. Internationale Forstberatung Gradel, Goerlitz, Germany