The influence of street trees on pedestrian perceptions of safety: Results from environmental justice areas of Massachusetts, U.S.

Coleman, Alicia; Ryan, Robert L.; Eisenman, Theodore S.; Locke, Dexter H.; Harper, Richard W.

doi:10.1016/j.ufug.2021.127258

Cited by 18 publications

(1 citation statement)

References 34 publications

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“…Street trees are the foundation of urban greening [8], which can play an irreplaceable role in shaping the image of the city and improving the ecological and landscape environment [9][10][11][12][13]. However, affected by the complex urban environment, street trees also have potential safety hazards such as falling branches, broken trunks, and tree lodging, which will pose serious threats to municipal facilities [14], urban traffic [15,16], and the personal safety of citizens [17][18][19]. The potential of tree failure is based on the presence and severity of the defects, and the tree failure assessment of street trees can detect potential safety hazards in advance [20][21][22] and help to take targeted maintenance measures to eliminate or reduce safety hazards ahead of time [23][24][25], which is of great significance to the precision management of urban greening.…”

Section: Introductionmentioning

confidence: 99%

Tree Failure Assessment of London Plane (Platanus × acerifolia (Aiton) Willd.) Street Trees in Nanjing City

Wang,

Wu,

Sun

et al. 2023

Forests

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The London plane (Platanus × acerifolia (Aiton) Willd.) street tree is a symbolic tree species in Nanjing City, which is known as the “city card”. However, accidents such as street trees falling over cars, affecting traffic, and hurting people have seriously affected the daily lives of citizens. Thus, it is of vital significance to accurately assess the potential for tree failure in London plane street trees in Nanjing City. This study comprehensively considers the growth condition of London plane street trees and their impact on traffic, establishes a scientific street tree failure assessment scheme that contains eight characteristics, creates a tree failure assessment database by thoroughly collecting data on trees, and develops a tree failure assessment model based on factor analysis and k-means clustering. The assessment results show that street trees that pose a high or medium potential for failure are present in proportions of 4.47% and 34.85%, respectively, and are mostly found in Gulou District, Xuanwu District, and Qinhuai District. The average tree failure score of London plane street trees on Changjiang Road in Xuanwu District is the highest, while the road with the lowest tree failure score is Mufu East Road in Gulou District. The results will provide a scientific basis for the maintenance of London plane street trees in Nanjing City and have reference significance for other street tree failure assessment studies.

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