沈阳蒲河大道典型植物群落调查与多样性分析

Typical plant communities investigation and diversity analysis of Shenyang Puhe Avenue

基于对沈阳市蒲河大道典型植物群落的调查,从α多样性指数角度出发,计算各典型植物群落丰富度指数S、辛普森(Simpson)指数、香农-威纳(Shannon-Wiener)指数、均匀度指数(Pielou),并运用综合评价指数K值对典型群落进行比较分析,得出银杏-紫丁香群落多样性最高,五角枫-小桃红群落最低。根据分析结果,给出多样性较差群落的优化建议。

Based on investigating the typical plant communities of Shenyang Puhe Avenue, the typical plant community’s richness index, Simpson index, Shannon - Wiener, evenness index （Pielou） were calculated from the angle of α diversity index, and the comprehensive evaluation index of K value was used to analyze the typical communities comparatively. The results showed the diversity of Ginkgo biloba-lilac community is the highest and the diversity of the pentagon maple - flowering plum is the lowest. According to the analysis result, the optimization advices for poor community were put forward.