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机构地区:[1]井冈山师范学院生命科学系,江西吉安343009 [2]南昌市林业局,江西南昌330009 [3]衡水学院生物系,河北衡水053000
出 处:《衡水学院学报》2005年第1期15-17,共3页Journal of Hengshui University
摘 要:以栲树群落8个样地调查资料为基础,对该群落的物种组成、区系成分和物种多样性进行了统计和分析,结果表明:栲树群落中有维管植物51科67属98种(含变种);属的地理成分复杂,以热带成分为主,温带成分只占较少比例;乔木层、灌木层和草本层的各项物种多样性指标在群落各样地间均有一定的差异;在群落垂直结构中,灌木层的多样性指数最大,乔木层次之,草本层最小。Species composition,Flora analysis and species diversity features of Castanopsis fargesii community in Jinggang Mountain were analyzed, according to the statistics from 8 sample plots .The result shows : (1)there are 98 species (including varieties)of 67 genus belonging to 51 families of vascular plants.(2)the geographical composition of vascular plant genus is complex , most of them are tropical genera ,asmall portion of temperate genera .(3) The diversity indexes of tree layer ,shrub layer or herb layer in various plots are somewhat different.In the vertical structure of the community ,the species diversity of shurb layer is the highest ,the tree layer the second ,and the herb layer the lowest.
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