Study on Seedling Adaptability of Abies chensiensis Study on the Niche of the Main Populations in Abies chensiens Community Genetic Diversity in Natural Populations of Abies chensiensis Based on Nuclear Simple Sequence Repeat Markers Study on reproduction ecology of endangered species Abies chensiensis Morphological variation in cones and seeds in Abies chensiensis FRUITING CHARACTERISTICS OF THE ENDANGERED SPECIES ABIES CHENSIENSIS Seed Germinating Characteristics of the Endangered Plant Abies chensiensis