Study on the Influence of Urban Roadside Trees Canopy on Mental Health of Different Age Groups

Abstract

The development of urban green space is closely related to the health of human settlements. As an important part of urban green space system, urban roadside trees play an important role in improving urban ecological environment, residents' physical and mental health and quality of life. How to design the green space of urban streets with the orientation of health, to reduce the negative impact on the modern urban environment and keep the urban residents in physical and mental health is the urgent demand for healthy living environment in the city. 55 participants visited three types of urban roads: a road where buildings are concentrated was selected as a control road, and two roads surrounded by Sakura and Metasequoia trees respectively. The results showed that after walking along the Metasequoia (full shade) and Sakura (semi-shade) roads after 15mins, the participants' negative mental states such as tension, fatigue, confusion and anxiety were significantly reduced compared with the control roads, and their recovery results and vitality were increased. Therefore, in order to resource for the pressure and promote the health of urban residents, the planning and design should take into account the age factor, and give priority to the trees with rich vegetation. 城市行道树冠层对不同年龄人群心理健康的影响研究