White Birch Trees As Resource Species of Russia : Their Distribution, Ecophysiological Features, Multiple Utilizations
Title White Birch Trees as Resource Species of Russia : Their Distribution, Ecophysiological Features, Multiple Utilizations Author(s) Zyryanova, Olga A.; Terazawa, Minoru; Koike, Takayoshi; Zyryanov, Vyacheslav I. Citation Eurasian Journal of Forest Research, 13(1), 25-40 Issue Date 2010-08 Doc URL http://hdl.handle.net/2115/43853 Type bulletin (article) File Information EJFR13-1_004.pdf Instructions for use Hokkaido University Collection of Scholarly and Academic Papers : HUSCAP Eurasian J. For. Res. 13-1: 25-40 , 2010 © Hokkaido University Forests, EFRC ------------------------------------------------------------------------------------------------------------------------------------------------------------- White Birch Trees as Resource Species of Russia: Their Distribution, Ecophysiological Features, Multiple Utilizations 1* 2 3 1 ZYRYANOVA Olga A. , TERAZAWA Minoru , KOIKE Takayoshi and ZYRYANOV Vyacheslav I. 1 V.N.Sukachev Institute of Forest SB RAS, Academgorodok, 50, Bldg. 28, Krasnoyarsk, 660036, Russia 2 Emeritus Professor, Hokkaido University, Sapporo 060-8589, Japan, Universal Niuppu Organization, Bifuka Hokkaido 089-2208, Japan 3 Hokkaido University, Department of Forest Science, Sapporo 060-8589, Japan Abstract Four birch tree species (Betula costata, B. pendula, B. platyphylla, B. pubescens) are traditionally important resource species in Russia. In the article, we discuss their spatial and ecophysiological features, biochemical constituents of the living tissues of the birches such as the wood, outer and inner bark, twigs, leaves, buds, roots. The exudation, tapping periods and sap productivity, exudated birch sap and derived birch tar are also reviewed. We show numerous useful wooden, medicinal, tanning, coloring as well as feeding and decorative properties. Chaga – (Inonotus obliquus), a fungi-parasite developed on the stems of the birch trees, is mentioned to be famous due to its antitumor and/or especially anti-cancer activity.
[Show full text]