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Mapping urban ecosystem services

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Academic year: 2021

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Carbon storage in Leipzig (left) and per capita green space in the districts (right). Carbon storage is highest in the riparian forest areas in Leipzig. The per capita green space is highest in districts where the population number is comparatively lower than in the inner city districts.

Map of green infrastructure in Järvenpää for the assessment of urban ES provision. Built-up areas are shown in white.

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Map of the cooling capacity of the urban GI in the city of Trento. Cooling capacity is expressed in classes from A+ (highest capacity) to E (lowest capacity).

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Overview of the structure of the model. The SVPGI (A) depends on the green area sur-face and the presence of playgrounds-sport-rec-reational facilities (A.2) and key contextual factors (proximity to bicycle paths, safety) (A.3). To calculate the social services map (B), the SVPGI is allocated amongst all citizens (or amongst proportional to a distance decay function (B.1). The parameters of the function can be adjusted, according to the users’ age or other characteris-tics. The distance can be estimated through the local road network.

The estimated social service per population younger than 11 years old.

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Urban ES maps for heat stress in Antwerp. Supply from existing vegetation and water is scored from zero (0) to maximum (5). Based on a heat map of the city and population densities, the demand is mapped leading to zones with varying degrees of impact vegetation. Taking into account the current supply and demand, the potential for green measures is calculated and scored from no potential (0) to maximum potential (20).

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