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当前位置: 首页 > 文章 > 山南市行道树资源调查与结构特征分析 浙江林业科技 2019 (4) 59-66
Position: Home > Articles > Investigation and Analysis on Resources and Structure of Street Trees in Shannan City Journal of Zhejiang Forestry Science and Technology 2019 (4) 59-66

山南市行道树资源调查与结构特征分析

作  者：
刘智能;张红锋;徐瑾
单  位：
西藏农牧学院资源与环境学院
关键词：
西藏;山南市;行道树资源调查;重要值;结构特征;配置模式;多样性指数
摘  要：
2016年6-9月,采用抽样调查法对西藏自治区山南市行道树资源、结构特征及配置模式进行调查。结果表明,山南市行道树共计10科17属24种,其平均胸径、平均树高、平均冠幅分别为13.29 cm,7.31 m,3.72 m。应用最多的依次为杨柳科Salicaceae、蔷薇科Rosaceae、松科Pinaceae.,分别为6,5,3种,分别占调查行道树种类的25.00%,20.83%,12.50%。重要值排前3的依次为白柳Salixalba,北京杨Populus×beijingensis,雪松Cedrus deodara,其重要值依次为70.525,35.690,33.171,多样性指数较低。季相景观上,以春-秋季、秋季为主,夏季、春季、冬季景观薄弱。彩叶树种色系上,以白色、黄色系季相景观为主。垂直分层结构上,以2层模式为主(39.06%)。
译  名：
Investigation and Analysis on Resources and Structure of Street Trees in Shannan City
作  者：
LIU Zhi-neng;ZHANG Hong-feng;XU Jin;Resources & Environment College, Tibet Agriculture & Animal Husbandry University;
关键词：
Tibet;;Shannan city;;street tree resources survey;;important value;;structure characteristics;;allocation model;;diversity index
摘  要：
Sampling survey was carried out during June and September of 2016 on resources, structure and allocation of street trees in Shannan city, Tibet Autonomous Region. The results showed that there were 24 species of 17 genera and 10 families, with mean DBH, crown width and height of 13.29 cm, 7.31 m and 3.72 m respectively. The most common in the city was ordered by Salicaceae(6 species), Rosaceae(5 species) and Pinaceae(3 species), occupied 25.00%, 20.83% and 12.50% of the total investigated street trees. Importance value of street trees was followed by Salix alba(70.525), Populus × beijingensis(35.690) and Cedrus deodara(33.171), with low diversity index. Seasonal phenomena of street trees was dependent on spring-autumn and autumn aspection. Trees had white and yellow color. Vertical structure of street trees was mainly two layer(39.06%).

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