保定市主城区行道树多样性调查分析

Investigation and Analysis on the Diversity of Street Trees in Urban Area of Baoding City

采用抽样调查的研究方法,对河北省保定市主城区的17条道路的行道树实施了实地调查,分析了保定市城市道路绿化的树种结构,并计算了行道树的物种丰富度指数、Shannon-Weiner指数、Simpson指数及其在各条道路间的差异,探讨了影响保定市行道树多样性的原因,提出了提高保定市行道树多样性的技术建议。

Sampling survey method was applied for field investigation on the trees along 17 streets in urban area of Baoding city,Hebei province to analyze the structure of tree species for city road greening in Baoding.Meanwhile,species richness index,Shannon-Weiner index and Simpson index of the street trees as well as the differences among streets were calculated.Factors influencing the diversity of street trees in Baoding city were discussed;and technical recommendations for increasing the biodiversity of street trees in Baoding city were proposed.