STUDY ON FLORA OF SPERMATOPHYTE IN JINGGANG MOUNTAIN Spatial Pattern and Interspecific Relationship of Dominant Species in Plant Community in Jinggang Mountain STUDIES ON THE PTERIDOPHYTES IN JINGGANG MOUNTAIN IN JIANGXI Floristic Analysis of Castanopsis Communities in Jinggang Mountain Models for Estimating Biomass of Twelve Shrub Species in Jinggang Mountain Nature Reserve APPROCH TO THE FLORA OF THE RARE AND ENDANGERED PLANTS IN JINGGANG MOUNTAIN Effect of Jinggang Mountain forests on regional ecological environment Features of Population Ecological Quantity Field of Castanopsis fabri Community in Jinggang Mountain