Dynamics of population biomass and its density-density dependent regulation in alder and cypress mixed forest Afforestation with Alnus tinctoria to build fire prevention forest belt A STUDY ON ROOT SYSTEM OF ALDER AND CYPRESS MIXED PLANTATION EFFECT OF MIXED PLANTING 0F fRAXINUS MANDSHURICA WITH ALNUS JAPONICA AND LARIX OLGENSIS Climatically and Ecologically Adaptive Regions for the Introduction of Alnus formosana STUDY ON SELECTION OF ALNUS CREMASTOGYNE PROVENANCE /FAMILY——ANALYSIS OF GROWTH ADAPTATION AND GENETIC STABILITY Karyotypes of Seven Species of Alnus in European and American Areas Variation of Fruiting Quantity and Nut and Seed Characters of Alnus cremastogyne Clones Qualitative and quantitative methods for Alpiniae Katsumadai Semen Water utilization sources of Alnus nepalensis in the water source area of Yuanyang terrace Effects of light regimes on photosynthetic characteristics and antioxidant system in seedlings of two alder species Effects of fertilization on Alnus formosana fine root morphological characteristics, biomass and issue content of C, N under A. formosana-Hemarthria compressa compound mode Study on Phenotypic Variation in Natural Range of Longpeduncled alder(Alnus cremastogyne) The Effect of Applying Phosphate in the Young Alnus cremastogyne Plantation Studies on the Main Nitrogen Assimilation Enzymes Activities and Nodule Cell Ultrastructure in the Nodule of Alnus cremastogyne The Influence of High Temperature and Drought on the Growth, Nodulation and Nitrogen-Fixation of Alnus cremastogyne in Different Kinds of Soils AFLP Analysis of Genetic Differences among Alnus with Different Ploidies Semi-nested LP-PCR-SSCP identification of arbuscular endomycorrhizal fungi diversity of Alnus at Changbai Mountain Study on the Dynamic Characteristics and Difference of Net Photosynthetic Rate of 4 Alnus cremastogyne Varieties A STUDY ON THE WOOD POLYMER COMPOSITES WITHIN ALNUS NEPALEENSIS D.DON Dynamics of greenhouse gases emission and its impact factors by fire disturbance from Alnus sibirica forested wetland in Xiaoxing‘an Mountains, Northeast China Seasonal Dynamics of Soil Microbial Biomass Carbon in Alnus formosana Forest-Grass Compound Models Variation in Seedling Growth and Nitrogen-fixing Capacityof Alnus cremastogyne Provenances Relationship between photosynthesis and nitrogen metabolism in the nodules of Alnus tinctoria Sarg Growing Responses of Four Exotic Alder Seedling under Different Nitrogen Concentrations The Morphology and Process Changes of Peltate Glandular hairs in Alnus mandshurica Leaf Epidermis Physiological Responses of Alnus formosana and Alnus cremastogyme Nursery Stocks of the Different Provenances to Water Stress Water Physiological Characteristics of Introduced Alnus formosana Study on the fallow and intercropping system of Alnus nepalesis on the mountains of Himalayan region AN EFFECTIVE WAY TO IMPROVE SOIL FERTILITY IN TRADITIONAL AGROFORESTRY: PLANTING ALNUS NEPALENSIS Biodiversity of Frankia strains in nodules from Alnus and Hippophae by ARDRA Carbon Density,Carbon Stock and Carbon Sequestration in Alnus cremastogyne Plantation THE STUDY ON TRITERPENOID FROM LEAVES OF ALNUS HIRSUTA TURCZ. A Study on the Biomass of Alder and Cypress Artificial Mixed Forest in Sichuan Relationships of 17 Alnus and Identifying Uncertain Species The Origin and Development of Adventitious Roots in Alder Cuttings Accumulation of above-ground biomass and nutrients in swidden fallows: A comparison between planted alder fallows and unmanaged grassy fallows in Yunnan Genetic Variation and Selection of Wood Property of Alnus cremastogyne Provenance and Family Fine Root Biomass and Morphology of Alnus formosana in Silvopasture Systems STUDY ON THE SEED QUALITY OF ALNUS CREMASTOGYNE Superior Broad-leaved Species Alnus cremastogyne,Its Distribution,Growth and Utilization Study on Mechanism of Fire-resistance for Alnus tinctoria Morphogenesis of inflorescence and floret in Alnus (Betulaceae) Study on the photosynthetic characteristics of introduced Alnus formosana Effect of Different Treatment of Alnus cremastogyne Clones Effects of light regime on the growth and photosynthetic characteristics of Alnus formosana and A. cremastogyne seedlings. Introduction and Early Adaptability of Exotic Alders Research on the Populations Variation of Alnus cremastogyneI. DNA Extracting and Protocol Optimum for PCR Study on Relationship between Nitric Oxide and Nitrate Reduction in Leaf of Alnus cremastogyne Study on Genetic Variation and Selection of Dry Trunk Weight in Alnus cremastogyne