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重庆市三条主干路黄葛树根系分布与安全风险研究

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为了解重庆市树黄葛树的根系分布和安全风险,采用TRU树木雷达检测系统,对作为行道树的黄葛树根系进行无损检测.通过根系分布情况,结合立地环境定性判断其存在的安全风险,旨在指导后期的风险防范和管护工作.结果显示:3个样段的黄葛树直径≥3 cm的粗根在纵向分布上随着土壤深度的增加距树干不同距离处根数呈逐渐增加趋势;在横向分布上,X1和X2样段的黄葛树直径≥3 cm的粗根随着距树距离的增大呈逐渐增加趋势,而X3样段则呈先增加后减少的趋势.同时,通过根系分布规律发现根系分布状况是影响树木安全的主要因子.
Research on Root Distribution and Safety Risk of Ficus virens in Three Main Roads of Chongqing
In order to understand the root distribution and safety risk of Ficus virens in Chongqing,this study uses the TRU tree radar detection system to conduct non-destructive detection root system of the Ficus virens as a side-walk tree.Through its root distribution,combined with the establishment of the ground environment to judge the safety risks of its existence,it aims to guide the later period risk prevention and management.The results show that Ficus virens ≥3cm root on the vertical distribution of the root system is gradually increasing with increase of the soil depth;In the horizontal distribution,the Ficus virens≥3cm root in the X1 and X2-like segments is gradu-ally increasing with the increase of the distance from the tree.However,X3 sample segment showed a trend of first increasing and then decreasing.At the same time,the root distribution is the main factor that affects the safety of the trees.

Ficus virensstreet treeroot distributionsecurity risk

王宝宁、田中、李玲莉

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重庆市风景园林科学研究院,重庆 401329

重庆市城市园林绿化工程技术中心,重庆 401329

黄葛树 行道树 根系分布 安全风险

重庆市城市管理局科研项目

城管科字2021第17号

2024

绿色科技
花木盆景杂志社

绿色科技

影响因子:0.365
ISSN:1674-9944
年,卷(期):2024.26(3)
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