Buyantuyev Viktor Alexandrovich, born in 1971. Graduated from Irkutsk State University, Faculty of Biology and Soil, with a specialty in Biology (1994). Candidate of Biological Sciences (PhD) in Ecology (1999). PhD thesis: «Khironomidy v Zoobentose Rek i Ozer Basseina Reki Barguzin» (Chironomids in Zoobenthos of Rivers and Lakes of Barguzin River Basin), Irkutsk (1999) (in Russian). Researcher for the Laboratory of Bioindication of Ecosystems, Siberian Institute of Plant Physiology and Biochemistry, Russian Academy of Sciences, Siberian Branch in the city of Irkutsk. Research interests in study of tree-ring annals of trees in different ecological conditions and their response to environmental factors. Author and co-author of 25 scientific publications.