THE STUDY OF CLASSIFICATION AND SUCCESSION OF ALNIPHYLLUM FORTUNEI FOREST IN GUANGXI THE STUDY OF CLASSIFICATION AND SUCCESSION OF ALNIPHYLLUM FORTUNEI FOREST IN GUANGXI Analysis of architecture and functions of fine roots of five subtropical tree species in Huitong, Hunan Province, China Influence of Mixture with Alniphyllum fortunei on Sustainable Growth of Chinese Fir Modifiable Areal Unit Problem of Species Diversity in Sub Natural Alniphyllum fortunei Forest