Species diversity of Fokienia hodginsii community in Nature Reserve of Mount Fengyang in Zhejiang Province

The species richness index , species diversity index and community evenness in different plots and layers of Fokienia hodginsii community in Nature Reserve of Mount Fengyang , Zhejiang Province were analysed .The species richness (161 species)and species diversity index of woody plants were obviously bigger than those of herb (14 species).Their community evenness had slight different significance .In the vertical structure of community , the species richness , species diversity index and community evenness of the shrub layerwere greater than those of the tree layer .The various indexes of diversity between the tree layer and the shrub layer had slight differences .The species richness and species diversity index of the tree layer and shrub layer were obviously bigger than those of the herb layer .It was not very different from those between tree layer and shrub layer and herb layer .[ Ch , 4 tab .29 ref .]