1. BIO-GEO-CLIM Laboratory, Tomsk State University, Lenina av., 36, Tomsk, Russia
2. Geoscience and Environment Toulouse (GET), UMR 5563 CNRS University of Toulouse, 14 Avenue Edouard Belin, 31400 Toulouse, France
3. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences (FECIAR UrB RAS), Arkhangelsk, Russia