高校校园植物物种丰富度调查与分析

Investigations and analysis of species richness about campus plants in Langfang city

运用文献资料调研、数理统计等方法，对廊坊市校园绿化植物种类种数；校园绿化树种应用频率；园林植物群落物种丰富度进行分析。结果表明：廊坊市校园的绿化树种种类较少；校园树种组成类同者较多；校园内植物群落物种丰富度随面积的增加而逐渐增大，在250～300m^2时，群落物种丰富度指数达到最大值。

Using the literature material investigation and study, mathematical statistic method and so on analyze the species and the number of the campus afforestation flofistic in Langfang city, the frequency of utilities of trees species in campus and species richness about botanical community. The result indicates： In the campus of Langfang city the type of afforested tree seed are less;In the campus community tree seed composition is more;In the campus plant community species richness is gradually increasing along with the area. In 250 - 300 m^2, the index of the species richness in community species reach the maximtm.