AN ANALYSIS OF SEASONAL VARIATION OF VEGETATIVE PROPAGATION AND THE RELATIONSHIPS BETWEEN BIOMASS AND POPULATION DENSITY OF ANEUROLEPIDIUM CHINENSE IN SONGNEN PLAIN OF CHINA
AN ANALYSIS OF SEASONAL VARIATION OF VEGETATIVE PROPAGATION AND THE RELATIONSHIPS BETWEEN BIOMASS AND POPULATION DENSITY OF ANEUROLEPIDIUM CHINENSE IN SONGNEN PLAIN OF CHINA
松嫩平原羊草种群营养繁殖的季节动态及其生物量与密度关系的分析