Many shades of green: intrinsic and network properties of urban green areas

Authors

DOI:

https://doi.org/10.6093/1970-9870/11743

Keywords:

Green public areas, Accessibility, Space Syntax, Quantitative assessment, Composite Index

Abstract

Urban green spaces are a vital component of public infrastructure, yet their evaluation often relies exclusively on either qualitative descriptions, aggregate metrics or basic quantitative thresholds. Thus, research frequently overlooks intrinsic attributes, spatial integration, functional accessibility, and the broader impact on urban liveability. This paper critically re-examines the legacy of Italy’s urban planning standards – specifically the Ministerial Decree 1444/1968, which introduced minimum green space requirements – to assess whether the prevailing metric-based paradigm has marginalized qualitative and locational dimensions. Through a comparative case study of three mid-sized Tuscan cities – Pisa, Lucca, and Grosseto – this research develops and applies an original methodology that integrates both intrinsic characteristics (typological, geometric, and structural) and extrinsic features (accessibility and configurational properties) of urban green spaces. Drawing on field surveys, spatial analysis, and Space Syntax techniques, the study constructs a composite evaluative framework to assess the actual usability and functional performance of green areas within the urban context. Findings reveal that a substantial proportion of green spaces are either residual or inaccessible, and are often poorly connected to the urban fabric despite formal compliance with legal standards. While national planning requirements have increased the quantity of public green space, these areas are frequently located on the urban periphery or insufficiently integrated into movement networks, thereby limiting their effectiveness. The proposed approach offers a lightweight yet robust tool for quali-quantitative assessment, enabling more nuanced evaluations and supporting context-sensitive planning practices. The study advocates for a renewed emphasis on design quality and locational integration in green infrastructure policies to enhance the equity, usability, and liveability of urban environments.

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Author Biographies

Valerio Cutini, DESTeC, School of Engineering University of Pisa, Pisa, Italy

Dr. Valerio Cutini is Full professor of Tecnica e Pianificazione Urbanistica and vice-director of the Energy, Systems, Territory and Construction Engineering at the University of Pisa. He obtained his Ph.D. in Ingegneria Edilizia e Insediativa at the University of Bologna (1991). Since 1997, Valerio Cutini teaches at the University of Pisa on the courses of the Master programmes in Civil Engineering and in Building Engineering and Architecture, as well as a visiting professor in several international universities. He conducts research focused on the analysis of urban settlements and regional networks, assessing their development and evolutionary process of their morphology and functional aspects. He has published 61 articles on peer-reviewed scientific journals, 7 scientific books, 71 chapters in scientific books or proceedings of international conferences.

Federico Mara, DESTeC, School of Engineering University of Pisa, Pisa, Italy

Dr. Federico Mara is a Postdoctoral Researcher at the Department of Energy, Systems, Territory and Construction Engineering at the University of Pisa. His main research topics include urban planning tools and methods aimed at developing new models to investigate urban complexity, with a particular focus on enhancing urban safety, formulating crime prevention strategies, and promoting environmental sustainability. He is currently working with the University of Pisa on the Horizon EU–Driving Urban Transitions (DUT)–EMC2 Project, a research consortium involving France, Italy, Austria, and Sweden. Moreover, he leads the University of Pisa's participation in the BIP Project ‘Urban Transformation and Public Safety’ and in the COIL Project on Crime Prevention Through Environmental Design, in collaboration with Inholland University of Applied Sciences, Western Norway University of Applied Sciences, and the University of Porto’s Faculties of Letters and Fine Arts.

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Published

24-06-2025

How to Cite

Cutini, V., & Mara, F. (2025). Many shades of green: intrinsic and network properties of urban green areas. TeMA - Journal of Land Use, Mobility and Environment, 147–167. https://doi.org/10.6093/1970-9870/11743

Issue

Section

SI 2025. Innovation, Green Infrastructures and Urban Form

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