Seasonal release characteristics of Ca, Mg and  Mn of foliar litter of six tree species in subtropical evergreen broadleaved forest. Mingling of Evergreen BroadLeaved Forests in Tianmu Mountain Based on Voronoi Diagram Estimation for vegetation carbon storage in Tiantong National Forest Park. Liana Species Diversity and Relationships with Its Host Trees in the Moist Evergreen BroadLeaved Forest in the Ailao Mountains, Southwest China STUDY ON SOIL HUMUS AND FERTILITY CHARACTERISTIC IN THE 29 YEAR-OLD PLANTATIONS OF CHINESE FIR ON DIFFERENT ROTATIONS