STUDIES ON FIRE REGIME OF HEILONGJIANG PROVINCE Ⅲ.RELATIONSHIPS BETWEEN FOREST FIRES AND FOREST TYPES ON A LARGE SCALE STUDY ON FOREST FIRE REGIME OF HEILONGJIANG PROVINCE Ⅱ.ANALYSIS ON FACTORS AFFECTING FIRE DYNAMICS AND DISTRIBUTIONS Influence of climate change on sterile-type cooling injury in rice in Heilongjiang Province, China The ecological characteristics of Quercus mongolica forest in Heilongjiang Province Variations of the grain yields and N absorption of spring maize in Heilongjiang Province Corydalis hegangensis, a new species of Fumariaceae from Heilongjiang Litterfalls of 6 Major Forest Stands at Maoershan Mountain of Heilongjiang Province Carbon Density and Its Distribution of Pinus koraiensis Plantations in Different Regions of Heilongjiang Province Estimates of carbon emissions caused by forest fires in the temperate climate of Heilongjiang Province, China, from 1953 to 2012 Simulation and Analysis of Number of Firefighters Dispatched in Initial Attack of Forest Fire in Heilongjiang Province Morphological Structure of Vessel Elements in 14 Species of Maloideae (Rosaceae) from Heilongjiang,China Study on the Countermeasure of Regulating and Optimizing Forest Industry Construction in State-Owned Forest Region of Heilongjiang Province Remote Sensing Estimation of Forest Net Primary Productivity in Heilongjiang Province with C-FIX Model Time budget of young Amur tiger in captivity PLANTAE NOVAE EX PROVINCIA HEILONGJIANG INVESTIGATION ON GOMPHONEMACEAE FROM HEILONGJIANG PROVINCE IN CHINA UTILIZATION AND DEVELOPMENT OF SCHISANDRA CHINENSIS FOR NOURISHING FOOD TO MAINTAIN HEALTH Composition of Soil Fauna Community and its Diversity Analysis at Maoershan Mountains of Heilongjiang Province Two New Species of Cyanophyta from Heilongjiang Province,China Genetic Diversity Analysis of Registered Rice Varieties in Heilongjiang Province Based on SSR Markers Distribution of allelic variation for genes of vernalization and photoperiod in wheat from Heilongjiang Influence of spatial heterogeneity of climatic and socio-economic factors on soil organic matter-A case study of the central Heilongjiang Province, China SOME FRESHWATER CENTRICAE DIATOMS FROM ANHUI AND HEILONGJIANG, CHINA A NEW SPECIES OF SPIROGYRA (CHLOROPHYTA) FROM HEILONGJIANG PROVINCE Genetic Structure and Diversity of Soybean Germplasm in Heilongjiang in China Analysis of Grassland Vegetation of the Southwest Heilongjiang Steppe Quantitative evaluation of soil conservation in 2000 2010 in Heilongjiang Province using RUSLE model Polymorphism of Lipoxygenase Genes in Heilongjiang Spring Wheat Cultivars Analysis of Forest Land Area Change and Driving Factors in the Forest Industry Region of Heilongjiang Province Effects of Climate Change on Boundaries of Eco-Geographical Regionsin Heilongjiang Province Molecular Identification and Comparison of the Polyphenol Oxidase Genes in Spring Wheat Cultivars Between Russia and Helongjiang Provence Allelic Variation at Vernalization and Photoperiod Genes in Heilongjiang Spring Wheat Cultivars and Effect on Agricultural Traits Carbon storage and its dynamics of forest vegetations in Heilongjiang Province Monitoring on spatial and temporal changes of snow cover in the Heilongjiang Basin based on remote sensing. Effects of water and nitrogen on growth, development and yield of rice in cold area of Northeast China AN INVESTIGATION ON THE SPORE MATURE PERIOD OF PTERIDOPHYTE IN HEILONGJIANG PROVINCE OF CHINA MYXOMYCETES FROM HEILONGJIANG Ⅱ.A NEW SPECIES OF HEMITRICHIA VARIETAS UNA NOVA SCHISANDRAE CHINENSIS (TURCZ.)BAILL. EXPROVINCIA HELILONGJIANG Temporal and spatial analysis of forest biomass in Changbai Mountains, Heilongjiang, China An analysis of the flora of woody plants in Heilongjiang Province Distribution Patterns of Invasive Plants in Heilongjiang Province and the Impact Factors Oxalis jiayinensis, a new species of the Late Cretaceous from Heilongjiang, NE China Temporal and Spatial Characteristics of Forest Fires in Heilongjiang Province between 1980 and 2005 Chromosome Studies of 10 Chinese Species of Adenophora Fisch. Forest change and its impact on the quantity of oxygen release in Heilongjiang Province during the Past Century Ecologic Difference of Isoflavones Content in Soybean Seeds in Heilongjiang Province