Community characteristics and species diversity research of Acer ginnala in Qiliyu, Shanxi
Based on a survey of 73 community quadrats,TWINSPAN and lour indices (Patrick,Simpson,Shannon and Alatalo index) of species diversity were used to analyze differences in richness, evenness and heterogeneity between the communities. The correlation analysis was performed to reveal the relationship between diversity indices and environmental factors. The results showed that Acer ginnala communities were classified into 10 associations. Among 10 associations,there were differences of richness indices,diversity indices and evenness indices. The indices of species diversity of the asso. Ⅲ and Ⅵ were higher,while that of the asso. I was lower relatively. The differences of species diversity of arborous layer,shrub layer and herb layer in each association also had occurred. The richness and diversi-ty indices showed similar rule,namely herb layer>shrub layer> arborous layer. The evenness indices of different lay-er, however, were the other way round The main factors were physical micro-environmental factors such as organic matter, K+ and water content in soil for the community structure of Acer ginnala.
国家科技期刊平台
NSTL
万方数据
维普
