北京市朝阳区4个区域性公园植物应用调查及分析

通过对朝阳区4个区域性公园植物种类、应用及绿化面积的调查发现:红领巾公园是调查公园中植物树种最多的公园;4个公园的植物属于蔷薇科的树种都是最多的;银杏等19种植物在4个公园中都有应用;所调查的公园乔灌比介于1∶0.43～1∶0.79;常绿落叶树种比在1∶2～1∶4之间;红领巾公园频度最高的树种是绦柳和油松,四得公园是栾树,南湖公园是绦柳,丽都公园是油松和紫叶李。

Investigation and analysis of plant application in four regional parks of Chaoyang District, Beijing

By investigating plant species, plant application and greening areas of four regional parks in Chaoyang District of Beijing, we found that Honglingjin Park is the most rich in plant species; number of plant species that belong to family Rosaceae in the four regional parks is more than number of those in other families; Ginkgo biloba and 18 other plant species are applied in all four parks. The ratio of number of tree species to that of shrubs in the four parks ranges from 1∶0.43 to 1∶0.79, and the ratio of number of evergreen to deciduous tree species varies from 1∶2 to 1∶4; Salix matsudana ‘Pendula’ and Pinus tabulaeformis, among all plant species, are most frequently used in Honglingjin Park, while in Side Park, Nanhu Park and Lidu Park, Koelreuteria paniculata, S. matsudana ‘Pendula’, P. tabulaeformis and Prunus ceraifera ‘Pissardii’ are the most, respectively.