贵州大学校园乔木组成及空间分布

Composition and Spatial Distribution of Arbor in Guizhou University Campus

贵州大学位于贵阳市,包括a、b两个校区,共有木本植物77科150属221种木本植物,共计48865棵,其中被子植物72科208种,裸子植物5科13种数量分别为37671和11194棵,占比分别为77.09%和22.91%,物种产地分析显示:两个校区本地物种在数量和种数上占比高于外来物种,外来物种种数87个种,树木总数14090棵,占比28.83%、北校区非本地植物数1568棵,占比39.11%,西校区非本地植物总数12522棵,占比38.73%,由树种类型分析可知,整个校区常绿树数量33652棵,占比68.87%,两个校区的木本植物科、属的分布区类型进行统计分析显示,两个校区的物种地理成分复杂,分布区的类型多样。在空间分布上,林地区在科属以及树木数量上相对其他分区占到绝对的优势。整个校园的木本植物属种系数为67.9%。

There are 221 species of woody plants belonging to 150 genera and 77 families in two campuses of Guizhou University.There are 48865 woody plants,of which 208 species belong to 72 families of angiosperms and 13 species of 5 families of gymnosperms,with the number of 37671 and 11194 trees respectively,accounting for 77.09%and 22.91%respectively There are 87 species of alien species,14090 trees,accounting for 28.83%,1568 non-native plants in the north campus,accounting for 39.11%,and 12522 non-native plants in the west campus,accounting for 38.73%There are 652 trees,accounting for 68.87%.The statistical analysis of the distribution area types of woody plants in the two campuses shows that the species geographical composition of the two campuses is complex,and the types of the distribution areas are diverse.In terms of spatial distribution,the forest area has an absolute advantage over other regions in terms of family,genus and number of trees.The coefficient of genera and species of woody plants in the whole campus is 67.9%.