Response of Aneurolepidium chinense on soil drought stress under high C02 Analysis of plant individual characteristies on Songnen grassland after different burning time Ecological and evolutionary morphological characteristics of Aneurolepidium chinense population Effect of fire on plant composition of Aneurolepidium chinense steppe Characteristic. analysis of two-dimensional behavior of aboveground ecological field of Aneurolepidium chinense An Analysis of Age Structure and the Strategy for Asexual Propagation of Aneurolepidium chinense Population Effect of Climatic Factors on the Yield of Aneurolepidium chinense (Trin.) Keng Community The comparison of photosynthetic physiological characteristics between the two divergent Aneurolepidium chinense types MODELLING RELATIONSHIPS BETWEEN PHOTOSYNTHE TIC RATE AND ENVIRONMENTAL FACTORS IN DI FFERENT GROWING PERIODS IN ANEUROLE PIDIUM CHINENSE COMMUNITY REGULARITY OF THE ECOLOGICAL POTENTIAL AND GRADIENT OF ABOVEGROUND ECOLOGICAL FIELD OF ANEUROLEPIDIUM CHINENSE AND THEIR SEASONAL CHANGES UNDER DIFFERENT POPULATION DENSITIES Stress Effects of Mixed Salts with Various Salinities on the Seedlings of Aneurolepidium chinense A Preliminary Study on Light-photosynthetic Characteristic in the Leaves at Various Age for Aneurolepidium Chinense An Analysis of Seasonal Variation of Vegetative Propagation and the Relationships Between Biomass and Population Density of Aneurolepidium chinense in Songnen Plain of China Observations on megasporogenesis, microsporogenesis and development of female and male gemetophyte of Aneurolepidium chinense (Trin.) Kitag. Comparative study on microclimate of Aneurolepidium chinense grassland under burning and grazing A COMPARATIVE STUDY ON PHOTOSYNTHESIS AND TRANSPIRATION DIURNAL VARIATION OF ANEUROLEPIDIUM CHINENSE AND PUCCINELLIA TENUIFLORA Fractal relationship between aboveground biomass and plant height of Aneurolepidium chinense population Preliminary study on respiration rate of soil microorganism under different vegetations on Aneurolepidium chinense grassland of northeast China Physiological response of Aneurolepidium chinense seedlings on NaCl stress and mitigation effect of external ABA on it Community variation on Songnen grassland after different burning time Grazing succession pattern or alkalized Aneurolepidium chinense grassland on Sougnen plain Dynamics of N, P and K in litters on Aneurolopidium chinense grassland Fire regime of Aneurolepidium chinense-herbage steppe Ecological field gradient of Anewolepidium chinense under different population densities and its dynamic characteristics Studies on the Characteristics of K, Na Content in Aneurolepidium chinense Grassland of Northeast China Contrast Study About Litter Dynamics of Main Communities in Aneurolepidium chinense Grassland Region in Northeast of China Effects of al穔ali-stress on Aneurolepidium chinense and Helianthus annuus Observations on fertilization and early development of embryo and endosperm in Aneurolepidium chinense Litter Decomposition, Accumulation and the Dynamics of Nutrient Contents in Aneurolepidium chinense Meadow Morphological Variation and Genetic Diversity in Aneurolepidium chinense Caloric Value of Northeast Aneurolepidium chinense Grassland Species A Preliminary Study on Seed Production of Aneurolepidium chinense Population Energy accumulation and allocation of main plant populations in Aneurolepidium chinense grassland in Songnen Plain Analysis on competition and coexistence patterns of Aneurolepidium chinense and its main companion species Characteristics and quantitative simulation of stomatal conductance of Aneurolepidium chinense In Situ Measurements of CO2 Flux in Grassland Ecosystem by Closed Chamber Technique Study on Effect of Litter Layer on Community in Aneurolepidium chinense Grassland in Songnen Plain A Preliminary Study on the Formation of Saline-Alkali Plant Communities in the Song-Nen Plain Studies on the Characteristics of Mn, Cu and Zn Contents in the Aneurolepidium chinense Grassland of Northeast China A Study on Ca, Mg Content in Aneurolepidium chinense Grassland in Northeast China Modeling the Relationships Between Photosynthetic Rate and Environment Conditions in an Aneurolepidium chinense Community,Inner Mongolia Region Research on Improving Degenerative Steppe and Methods for increasing Productivity of the Steppe Region A Compatative Study on Relation between photosynthetic Rate of Aneurolepidium chinense and stipa grandis and Air Temperature at their Different Periods of Growth The Microbiological Effect and Decomposition of Litter of Aneurolepidium chinense and Stipa grandis A Comparative Study of the Community Photosynthesis of Aneurolepidium chinense and stipa grandis The Effect of Cutting on the Photosynthetic Characteristics of Aneurolepidium chinense Studies on the Seasonal Dynamics of Height and Biomass for the Population Aneurolepidium chinense in an Artificial Grassland and Natural Community STUDY ON NUMBERS AND BIOMASS OF SOIL MICROORGANISM IN ANEUROLEPIDIUM CHINENSE GRASSLAND