Preferences for street vertical greenery and street tree planting in urban Beijing

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Preferences for street vertical greenery and street tree planting in urban Beijing


Author: Xie, Xiaofeng
Title: Preferences for street vertical greenery and street tree planting in urban Beijing
Degree: M.Eng.
Year: 2016
Subject: Tree planting -- China -- Beijing.
Trees in cities -- China -- Beijing.
Vertical gardening -- China -- Beijing.
Roadside improvement.
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Building Services Engineering
Pages: ix, 85 pages : color illustrations
Language: English
InnoPac Record:
Abstract: The aims of this study were to explore whether people's perception on greenery both vertical greenery and trees would affect their support to plant greenery by a questionnaire survey and how did this perception impact their preferences on greenery configuration (i.e. both vertical greenery and tree planting in street or only vertical greenery or only tree planting in street) through a choice experiment related to greening configuration in the street. It was also aimed to determine people's preference from four aspects: permeability (i.e. spacing between buildings) (high-low), aspect ratio (the value of buildings' height divided by street width) (high-low), tree planting configuration (yes-no) and vertical greenery configuration (yes-no). The second aim was to explore the relationship between people's willingness to pay on tree planting or vertical greening in the street and people's perception on the planting methods, tree planting or vertical greenery. Questionnaire survey had been adopted in this study and the amount of 177 samples collected in Beijing, some of which collected by snowballing method and some others of which collected from two communities by face to face. One community was located in urban area and the other was located in suburb zone. After removing the invalid data, the valid sample at last was 101. Using SPSS to process these data, the result was that the majority of people perceived that street greenery had the function of reducing street noise and they did not think twigs and dead leaves falling would bring them inconvenient. In addition, the more people lived in urban, the much they would like to pay street greenery. The more width of street people perceived, the much they were willing to pay. The more greenery function of mitigating street noise, the much money they would like to pay. For those who were willing to support street planting, they would like to pay more environment tax. And male had more willingness to pay than female. Apart from these, after using the software of STATA to address these data, some important results has been found. In Beijing people prefer tree planting in the street compared with planting vertical greenery, but they were not willing to pay much money on street planting. Otherwise, people did not like the streetscape with high value of aspect ratio, while they enjoyed with high permeability streetscape. And for this type of streetscape, they were willing to pay street planting, but not too much. These findings may help urban planner to make a good decision, according to people's preferences on AR, permeability, and different greenery configuration in metropolises with high rise buildings.

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