北京城市园林绿化植物应用现状与展望

摘要

伴随着北京城市化进程的加快,资源环境压力日益增大,绿化需求也不断提高.以北京市21910年绿化普查为契机,对北京城市园林植物应用现状进行统计分析和研究,包括植物物种组成、植物来源、应用频度、数量以及不同园林绿地植物应用现状,指出目前北京城市同林植物应用存在以下问题:园林植物相对丰富,成规模可应用的种类偏少;乡土植物应用比例不高;乔、灌、草比例失调,植物配置手法缺乏多样性;园林绿化树种的选择缺乏科学的参考标准和依据;园林苗木储备不够合理.针对北京城市绿化存在的问题、机遇与挑战,提出见解,以期为未来的发展方向提供指导.%With the speeding up of Beijing urbanization process,the pressure on resources and environment are increasing and the green demand is also rising.Based on the opportunity of the greening census of Beijing in 2010,the plants used in Beijing urban landscpe were statistically analyzed and studied in this paper,including plant species composition,plant origin,application frequency,plant amount and the application status of different landscape plants.And the problems in landscape plants' application in Beijing were pointed out as following:Firstly,garden plants are relatively abundant but few species of the plants can be applied in large scale.Secondly,the proportion of native plants' application id not high.Thirdly,the ratio of tree,shrub and perennial is imbalance,and plants configuration lacks diversity.Fourthly the selection of landscape plants lacks scientific reference standards and basis.Figthly landscape plant seedlings rescrves are not reasonable.Targeting to the problems,opportunities and challenges existing in Beijing urban greening,the authors make their own opinions in order to provide guidance for development.