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<p>Comprehending the status of biodiversity and ecosystem services in urban cities is a vital component in assessing whether the city is developing a sustainable future. The dearth of data availability, management and planning efforts poses a major challenge to the city’s conservation plans. Recent unscientific urbanization and land-use changes have depleted Nagpur's green spaces. This study assesses the biodiversity values, ecosystem services, and governance aspects of Nagpur City through the City Biodiversity Index (CBI). CBI is a critical metric to determine the biodiversity status and the effects of policies and management activities. CBI assessment estimated values under 28 indicators, recently upgraded from 23, across three sections: native biodiversity (9 indicators), ecosystem services (5 indicators), and governance (14 indicators). A mixed-method approach included systematic research review, participatory survey, field-based observation, and data collection, followed by remote sensing and GIS tools. Nagpur scored a total of 57 points out of 112 points. This study helps recognize the areas where the city performs better concerning the current biodiversity composition, the ecosystem services provided, and the management of urban greenspaces. It highlights the vital need to integrate natural and green infrastructure in areas where green and blue spaces are declining especially in highly concretized wards. Ecological connectivity in the form of avenue plantations is not uniform in different zones and requires significant management to develop corridors and reduce fragmentation. Mainstreaming green and blue infrastructure through ward-wise planning with the active involvement of planners and practitioners is essential to reducing urban risks in Nagpur.</p>

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City Biodiversity Index Assessment for Data-Driven Blue–Green Infrastructure Planning for Urban Sprawls: Lessons from Nagpur, India

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • Manu Thomas,
  • Anuj Kumar Tripathi,
  • Athira Prakash,
  • Shalini Dhyani

摘要

Comprehending the status of biodiversity and ecosystem services in urban cities is a vital component in assessing whether the city is developing a sustainable future. The dearth of data availability, management and planning efforts poses a major challenge to the city’s conservation plans. Recent unscientific urbanization and land-use changes have depleted Nagpur's green spaces. This study assesses the biodiversity values, ecosystem services, and governance aspects of Nagpur City through the City Biodiversity Index (CBI). CBI is a critical metric to determine the biodiversity status and the effects of policies and management activities. CBI assessment estimated values under 28 indicators, recently upgraded from 23, across three sections: native biodiversity (9 indicators), ecosystem services (5 indicators), and governance (14 indicators). A mixed-method approach included systematic research review, participatory survey, field-based observation, and data collection, followed by remote sensing and GIS tools. Nagpur scored a total of 57 points out of 112 points. This study helps recognize the areas where the city performs better concerning the current biodiversity composition, the ecosystem services provided, and the management of urban greenspaces. It highlights the vital need to integrate natural and green infrastructure in areas where green and blue spaces are declining especially in highly concretized wards. Ecological connectivity in the form of avenue plantations is not uniform in different zones and requires significant management to develop corridors and reduce fragmentation. Mainstreaming green and blue infrastructure through ward-wise planning with the active involvement of planners and practitioners is essential to reducing urban risks in Nagpur.