betula ermanii sap

betula paraermanii sap erman's birch sap ermans birch sap sap derived from betula ermanii, betulaceae yue hua sap PubMed: [Distribution pattern of neutral sugar in forest soils along an altitude gradient in Changbai Mountains, Northeast China]. PubMed: How the timberline formed: altitudinal changes in stand structure and dynamics around the timberline in central Japan. PubMed: [Effects of altitudinal gradient on water use efficiency of Betula ermanii on the northern slope of Changbai Mountains, northeast China]. PubMed: [Forest soil organic matter delta 13C along a altitudinal transect on northern slope of Changbai Mountains under effects of simulated warming]. PubMed: Altitudinal changes in carbon storage of temperate forests on Mt Changbai, Northeast China. PubMed: Altitudinal distribution of microfungi associated with Betula ermanii leaf litter on Mt. Rishiri, northern Japan. PubMed: Cancer chemopreventive activity of oleanane-type triterpenoids from the stem bark of Betula ermanii. PubMed: Ozone and/or water stresses could have influenced the Betula ermanii cham. forest decline observed at Oku-Nikko, Japan. PubMed: Pioneer dwarf willow may facilitate tree succession by providing late colonizers with compatible ectomycorrhizal fungi in a primary successional volcanic desert. PubMed: Effects of elevated carbon dioxide and ozone on foliar proanthocyanidins in Betula platyphylla, Betula ermanii, and Fagus crenata seedlings. PubMed: [Position of Betula ermanii population ecotone in Changbai Mountains]. PubMed: [Quantitative methodologies for ecotone determination on north slope of Changbai Mountains]. PubMed: [Key problems in ecological research on vegetations in Northeast China]. PubMed: Image analysis and coummunity monitoring on coniferous forest dynamics in Changbai Mountain. PubMed: Chemical and physical defence in early and late leaves in three heterophyllous birch species native to northern Japan. PubMed: [Analysis on factors affecting net primary productivity distribution in Changbai Mountain based on process model for landscape scale]. PubMed: [Simulation of temporal-spatial variation characteristics of surface runoff in Changbai Mountain based on process model for landscape scale]. PubMed: [Carbon budget of ecosystem in Changbai Mountain Natural Reserve]. PubMed: Application of chlorophyll fluorescence to evaluate Mn tolerance of deciduous broad-leaved tree seedlings native to northern Japan. PubMed: [Geostatistical analysis of the pattern of Betula ermanii population in Changbai Mountain]. PubMed: Spatial variations of Pb in the vertical zone of the soil-plant system in the Changbai Mountain National Nature Reserve. PubMed: Comparison of photosynthetic responses to manganese toxicity of deciduous broad-leaved trees in northern Japan. PubMed: [Clinical and immunological analysis of Birch pollenosis]. PubMed: [Betuletol (5,7-dihydroxy 4-6-dimethoxy flavonol) and 3-methyl betuletol, new natural compounds, extracted from Betula ermanii Cham].