Assessment of joint soil ecosystem services supply in urban green spaces: A case study in Northern Italy |
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| Institution: | 1. School of International Development, University of East Anglia, Norwich, United Kingdom;2. School of Environment and Sustainability, Indian Institute for Human Settlements, Bengaluru City Campus, No. 197/36, 2nd Main Road, Sadashiva nagar, Bangalore 560 080, India;5. Indian Institute of Technology, Madras, India;6. Institute of Human Settlements Studies, Ardhi University, Tanzania |
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| Abstract: | The multiple functions of urban soils secure the supply of ecosystem services to the urban population, but they are seldom taken into account in current urban planning. The purpose of this study is to highlight the multifunctionality of the soils of urban green spaces and to assess the influence of different types of urban green (i.e. parks and gardens, roadside green and agricultural fields) on the joint supply of soil-based ecosystem services. In a case study area in the city of Carpi (NE Italy), we focused on a set of soil functions underpinning ecosystem services and on possible synergies and trade-offs between them. We surveyed and sampled 19 urban green areas to assess the following soil functions: biological fertility, potential habitat for organisms, water regulation and storage, soil buffering capacity and carbon stock. Results showed differences and trends in the bundles of ecosystem services provided by the soils of urban green areas, highlighting the relevance of soil disturbance and vegetation cover density in affecting soil functions. For biological indicators, results showed a negative significant correlation to CaCO3 content, which is associated with the degree of soil disturbance, and that soils in urban areas do not always have compromised soil fauna and may provide the same level of biological quality as agricultural soils or forests. |
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| Keywords: | Soil use typologies Soil Functions Soil Quality Indicators Soil based ecosystem services Urban soils |
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