Spatial Structure Characteristic of Quercus aliena var. acuteserrata Natural Forest in Xiaolongshan Study on Natural Regeneration of Different Shrub Forest Transformation Models on Xiaolongshan in Gansu Tree Species Diversity and Structure Character istics of Q ue rcus a lienavar. acuteserrata Na tural Forest on Xiaolongshan Interspecific association analysis of dominant species in shrub layer of Armandii community in Xiaolongshan Mountain of Gansu Province Structure Dynamic of Quercus aliena var. acuteserrata Natural Forest on Xiaolongshan Distribution Characteristics of Two Typical Natural Forest Spatial Structure Parameters in Xiaolongshan Altitudinal patterns of species richness and species range size of vascular plants in Xiaolongshan Reserve of Qinling Mountain: A test of Rapoport’s rule. Tree Species Diversity and Structure Characteristic of Secondary Forests of Quercus liaotungensis on Xiaolongshan A QUANTITATION STUDY OF THE INTESPECIFIC ASSOCIATION OF QUERCUS ALIENA VAR. ACUTESERRATA COMMUNITY IN XIAOLONGSHAN MOUNTAIN OF TIANSHUI Species Diversity of Quercus aliena var. acuteserrata Natural Forest with Different Management Measures at Xiaolongshan Evaluation Method of Forest Management Models: A Case Study of Xiaolongshan Forest Area in Gansu Province Species composition and point pattern analysis of standing trees in secondary Betula albo-sinensis forest in Xiaolongshan of west Qinling Mountains. Toxic effects of ent-kaurane diterpenoids on soil ciliate communities