对沈阳市公园绿化树种的应用和配置进行了分析,结果表明:公园绿化应用树种较丰富,部分公园树种比例搭配较为合理,生物多样性较高.南湖公园有树种136种,其树种丰富度和多样性均最高,分别达到9.981和4.614.公园树木使用中存在着一些问题,如占优势的只是少数几个种,按株数排在前10位的树种占公园树木总株数的42.5%;公园中常绿树比重较高,针阔比达1:3.根据公园绿化树种的应用情况,提出应通过科学规划、合理确定树种应用比例、提高植物配置水平、加强乡土树种的引种驯化等措施,进一步提高绿化树种应用水平.
The status of the application and ordonnanee of tree species in parks of Shenyang were analyzed. The results showed that the tree species was abundant, the ordonnance proportion of tree species was reasonable in some degree and the diversity of tree kinds was high in parks. Nanhu park had 136 tree species and its abundance and diversity of tree species were the highest in all parks of Shenyang City. But only a few tree species were dominant in parks and the number of top 10 tree species was 42.5 % of the total tree number in parks. The proportion of evergreen coniferous trees was high in parks. The ratio of evergreen trees and broad leaved trees was 1 : 3. Some suggestions for park virescence were put forward to. We should scientifically make the programming, reasonably arrange the proportion of tree species, and using more domestic and local trees species in parks.