Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and Monaco

Green open space in high-density cities has positive significance in terms of improving the quality of the living environment and solving problems such as “urban diseases”. Taking the high-density urban districts of the Macau Peninsula and Monaco as examples, this study divides the planning index of...

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Main Authors: Jitai Li, Fan Lin, Yile Chen, Shuai Yang
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Buildings
Subjects:
Online Access:https://www.mdpi.com/2075-5309/15/2/292
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author Jitai Li
Fan Lin
Yile Chen
Shuai Yang
author_facet Jitai Li
Fan Lin
Yile Chen
Shuai Yang
author_sort Jitai Li
collection DOAJ
description Green open space in high-density cities has positive significance in terms of improving the quality of the living environment and solving problems such as “urban diseases”. Taking the high-density urban districts of the Macau Peninsula and Monaco as examples, this study divides the planning index of open space green quantity into two dimensions: the blue-green spaces occupancy rate (BGOR) within urban land areas and the blue-green spaces visibility rate (BGVR) of the main streetscape. Using satellite remote-sensing maps, GIS databases, and street-view images, this study evaluates the current green quantity in both regions and compares them to identify best practices. This study aims to assess and enhance the green quantity found in the open spaces of high-density cities, using the Macau Peninsula and Monaco as case studies. The primary research questions are as follows: (1) How can the green quantity in open spaces be effectively measured in high-density urban environments? (2) What planning strategies can be implemented to increase the green quantity and improve the urban living environment in such areas? Therefore, this study proposes planning strategies such as three-dimensional greening, converting grey spaces to green spaces, and implementing policies to encourage public participation in greening efforts. These strategies aim to enhance the green quantity in open spaces, thereby improving the urban living environment in high-density cities like Macau and providing a reference for similar urban areas in the world.
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spelling doaj-art-02fe162cae8842bda11e6182399636462025-01-24T13:26:30ZengMDPI AGBuildings2075-53092025-01-0115229210.3390/buildings15020292Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and MonacoJitai Li0Fan Lin1Yile Chen2Shuai Yang3School of Landscape Architecture, Guangdong Eco-Engineering Polytechnic, No. 297, Guangshan 1st Road, Tianhe District, Guangzhou 510520, ChinaFaculty of Business, City University of Macau, Avenida Padre Tomás Pereira, Taipa, Macau 999078, ChinaFaculty of Humanities and Arts, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, ChinaSchool of Art and Archaeology, Hangzhou City University, No. 51 Huzhou Street, Gongshu District, Hangzhou 310015, ChinaGreen open space in high-density cities has positive significance in terms of improving the quality of the living environment and solving problems such as “urban diseases”. Taking the high-density urban districts of the Macau Peninsula and Monaco as examples, this study divides the planning index of open space green quantity into two dimensions: the blue-green spaces occupancy rate (BGOR) within urban land areas and the blue-green spaces visibility rate (BGVR) of the main streetscape. Using satellite remote-sensing maps, GIS databases, and street-view images, this study evaluates the current green quantity in both regions and compares them to identify best practices. This study aims to assess and enhance the green quantity found in the open spaces of high-density cities, using the Macau Peninsula and Monaco as case studies. The primary research questions are as follows: (1) How can the green quantity in open spaces be effectively measured in high-density urban environments? (2) What planning strategies can be implemented to increase the green quantity and improve the urban living environment in such areas? Therefore, this study proposes planning strategies such as three-dimensional greening, converting grey spaces to green spaces, and implementing policies to encourage public participation in greening efforts. These strategies aim to enhance the green quantity in open spaces, thereby improving the urban living environment in high-density cities like Macau and providing a reference for similar urban areas in the world.https://www.mdpi.com/2075-5309/15/2/292high-density urban districturban open spacegreen space quantity promotionplanning strategyblue-green spaces occupancy rate within urban land (BGOR)blue-green spaces visibility rate of the main streetscape (BGVR)
spellingShingle Jitai Li
Fan Lin
Yile Chen
Shuai Yang
Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and Monaco
Buildings
high-density urban district
urban open space
green space quantity promotion
planning strategy
blue-green spaces occupancy rate within urban land (BGOR)
blue-green spaces visibility rate of the main streetscape (BGVR)
title Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and Monaco
title_full Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and Monaco
title_fullStr Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and Monaco
title_full_unstemmed Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and Monaco
title_short Assessing and Enhancing Green Quantity in the Open Spaces of High-Density Cities: A Comparative Study of the Macau Peninsula and Monaco
title_sort assessing and enhancing green quantity in the open spaces of high density cities a comparative study of the macau peninsula and monaco
topic high-density urban district
urban open space
green space quantity promotion
planning strategy
blue-green spaces occupancy rate within urban land (BGOR)
blue-green spaces visibility rate of the main streetscape (BGVR)
url https://www.mdpi.com/2075-5309/15/2/292
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