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A framework for assessing urban greenery's effects and valuing its ecosystem services

Artikel i vetenskaplig tidskrift
Författare Yvonne Andersson-Sköld
Jenny Klingberg
Bengt Gunnarsson
Kevin Cullinane
Ingela Gustafsson
Marcus Hedblom
Igor Knez
Fredrik Lindberg
Åsa Ode Sang
Håkan Pleijel
Sofia Thorsson
Publicerad i Journal of Environmental Management
Volym 205
Sidor 274-285
ISSN 03014797
Publiceringsår 2018
Publicerad vid Institutionen för geovetenskaper
Institutionen för biologi och miljövetenskap
Sidor 274-285
Språk en
Ämnesord Benefits, Case study application, Ecosystem service effects, Ecosystem service valuation, Framework, Urban greenery
Ämneskategorier Multidisciplinär geovetenskap

Sammanfattning

© 2017 The Authors Ongoing urban exploitation is increasing pressure to transform urban green spaces, while there is increasing awareness that greenery provides a range of important benefits to city residents. In efforts to help resolve associated problems we have developed a framework for integrated assessments of ecosystem service (ES) benefits and values provided by urban greenery, based on the ecosystem service cascade model. The aim is to provide a method for assessing the contribution to, and valuing, multiple ES provided by urban greenery that can be readily applied in routine planning processes. The framework is unique as it recognizes that an urban greenery comprises several components and functions that can contribute to multiple ecosystem services in one or more ways via different functional traits (e.g. foliage characteristics) for which readily measured indicators have been identified. The framework consists of five steps including compilation of an inventory of indicator; application of effectivity factors to rate indicators' effectiveness; estimation of effects; estimation of benefits for each ES; estimation of the total ES value of the ecosystem. The framework was applied to assess ecosystem services provided by trees, shrubs, herbs, birds, and bees, in green areas spanning an urban gradient in Gothenburg, Sweden. Estimates of perceived values of ecosystem services were obtained from interviews with the public and workshop activities with civil servants. The framework is systematic and transparent at all stages and appears to have potential utility in the existing spatial planning processes.

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