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Cloning and Expression Analysis of a Choline Monooxygenase Gene in Pyrus betulaefolia Bunge under Abiotic Stress Effect of White Birch Disk Characteristics on Drying Check Behaviors Structural Features and Properties of Betula schmidtii Entitled as Rigidy and Heavy Wood Models for Predicting the Hourly Fuel Moisture Content on the Forest Floor of Birch Stands in Tahe Forestry Bureau Compatible Tree Biomass Models for Natural White Birch (Betula platyphylla) in Northeast China Forest Area Relationship between Total Phenol in White Birch Wood and Wood Rot Fungi FTIR and XPS Analysis of the Process of Electroless Nickel Plating Birch Veneer Responses of crown architecture and competition of birch seedlings (Betula albosinensis) to enriched CO₂ under different planting densities Effects of temperature and sap flow velocity on CO₂ efflux from stems of three tree species in spring and autumn in Northeast China Variation of sugars in different parts of birch in spring by gas-chromatography Effect of Site Types on Carbon Storage of Natural White Birch Forest Ecosystem in Changbai Mountains, Northeast China The Preliminary Study on Drying Process Traverse Strains of Asian White Birch Comparison of the Decaying Ability to White Birch Wood among Four Wood Rot Fungi Response of soil "Birch Effect" to simulated rainfalls in dry croplands The Effects of High Temperature Stress on the Accumulation of Triterpenoid and the Activity of Defense Enzyme in the Suspension Cells of Birch Analyzing and Evaluating the Salt Tolerance of Four Kinds of Birch Seedlings. Infestation of Betula platyphylla by Anoplophora glabripennis and Its Control Using Insecticides Effects of Different Medium Types and Plant Growth Regulator Combinations on Accumulation of Triterpenoids in Birch (Betula platyphylla) Calli Ultrasound-Assisted Electroless Plating Ni-P Alloy on the Surface of Birch Veneer Short-term death dynamics of trees in natural secondary poplar-birch forest in Changbai Mountains of Northeast China. Impacts of drying-wetting cycles on CO₂ and N₂O emissions from soils in different ecosystems A multiplex polymerase chain reaction method for rapid detection of foreign genes in transgenic birch (Betula platyphylla) Comprative study on photosynthetic characteristics of birch in Maoershan THE ECOLOGICAL MANAGEMENT AND INDUSTRIAL UTILIZATION OF WHITE BIRCH(BETULA PLATYPHYLLA) RESOURCES IN CHINA REGENERATION OF BETULA PLATYPHYLLA BY LEAF EXPLANT Some aspects of forest soil and litter ecology in the Dawyck Cryptogamic Sanctuary, with a particular reference to fungi Study on Composition Analysis of Nickel-Plate and Performances of Plated Birch Veneer Stress of Surface Layer of Small-Diameter Birch Timber with Different Heating Methods Differences in ground vegetation and soil characteristics in adjacent birch and spruce stands of southern Sweden The Change of MC of Small-Diameter Birch Lumber with Different Heating Methods THE SOUTH BIRCH FOREST,WEST BIRCH FOREST IN GUANGXI AND THEIR SUCCESSIONAL TREND Woodland hydrological effects of birch forests in sub-alpine region of western Sichuan,China Growth Variation and Stability Analysis of Birch Crossbreed Families Construction of RNA interference vector carrying two genes of DS and CAS of Betula platyphylla Suk（Birch.） Effect of Thinning on Respiration Rate and Soil Carbon Density of Young-age Poplar-birch Stands in Western Changbai Mountains Research on Dynamic Compression Characteristics of Birch Wood Based on SHPB Test Plant Diversity of Virgin Broadleaved-Korean Pine Forest and Birch Secondary Forest in Liangshui Review of response mechanism of soil respiration to rainfall Effects of forest gap on herbaceous plant diversity in mixed birch-fir forest of Taibai Mountain. Forest recovery state in wind disaster area of Changbai Mountains, Northeast China. THE STUDY ON AGROBACTERIUM TUMIFACIENS-MEDIATED TRANSFORMATION FOR WHITE BIRCH(BETULA PLATYPHYLLA) FLASK CONTAINING GUS Litter Dynamics and Its Return of Nutrients in Natural Birch-Korean Pine Forests Computer Color Matching of Birch Veneer for Artificial Dyeing Aboveground biomass, ANPP and stem volume of birch stands in natural restoration process of subalpine secondary forest in Western Sichuan Effect of MeJA combined with high temperature stress in treatment for accumulation of triterpenoids in birch suspension cells Simulation of polar birch forest succession in broad leaved Korean pine forest zone in Mt.Changbai Diversity of higher plants in broad - leaved Korean pine and secondary birch forests on northern slope or Changbai mountain STABILITY OF THE BETULA FORESTS IN THE TAIBA MOUNTAIN OF QINLING MOUNTAIN RANGE