合肥市野生地被植物种类构成研究

在野外调查和统计分析的基础上,运用五点随机取样法对合肥市的野生地被资源进行了系统的调查,并根据调查结果,选取发生频率大于30%的野生地被植物作为统计分析的对象。运用Spss10.0软件,对综合值采用组间连接法进行聚类分析,找出合肥市不同类型的野生地被植物的常见种类,并分析其发生特点。结果表明:合肥市野生地被植物种类有119种,涉及43科,105属,其中菊科16种,禾本科10种,蓼科9种,十字花科8种。不同类型的野生地被植物种类构成主要有16种:冬春型野生地被植物4种,夏秋型野生地被植物5种,全光照型野生地被植物4种,蜀山森林生态系统型野生地被植物3种。

Research of Species Composition in Wild Groundcover in Hefei

Based on field survey and statistical analysis,a systematic survey is conducted on the resources of wild groundcover in Hefei by using five random sampling.And then according to the survey results,select the frequency of greater than 30% of the wild plants as the objects of statistical analysis.With the application of the SPSS10.0 software,the integrated value of the wild groundcover is used to do cluster analysis conducting by the connection method between the two groups to find out the wild groundcover of the major community types in Hefei.And the results show that there are 119 species wild groundcover plants in Hefei(including 43 families and 105 genera),of which there are 16 species of Compositae,10 species of Gramineae,9 species of Polygonaceae,and 8 species of Cruciferae.And there were 16 species in different types of wild groundcover species composition,of which there are four kinds of wild-type groundcover plants in winter and spring,5 kinds of wild-type groundcover plants in summer and fall,4 kinds of wild-type groundcover plants in more light conditions,and 3 kinds of wild-type groundcover plants in Shushan forest ecosystem.