Comparing Two Multi-Criteria Methods for Prioritizing Wetland Restoration and Creation Sites Based on Ecological, Biophysical and Socio-Economic Factors

Nadia Darwiche-Criado (), Ricardo Sorando, Silvia G. Eismann and Francisco A. Comín
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Nadia Darwiche-Criado: Instituto Pirenaico de Ecología-CSIC
Ricardo Sorando: Instituto Pirenaico de Ecología-CSIC
Silvia G. Eismann: Instituto Pirenaico de Ecología-CSIC
Francisco A. Comín: Instituto Pirenaico de Ecología-CSIC

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2017, vol. 31, issue 4, No 9, 1227-1241

Abstract: Abstract Wetland restoration has been recognized as a useful tool for improving water quality. Many studies have focused on developing strategies and models to optimize wetland performance. However, some important wetland placement characteristics have not been taken into account. In this research and unlike other studies, we included the social aspect (availability of public lands) as a fundamental factor to locate wetlands. Thus, environmental, biophysical and socio-economic factors were integrated through the comparison of two multi-criteria methods (a suitability model and a greedy algorithm). With nitrate removal as the main goal, the suitability model was applied considering the “terrain slope”, “proximity to watercourses” and “soil permeability”. The greedy algorithm was executed based on the “availability of public lands” and the “wetland restoration project costs”. These factors were chosen based on the Eu Life-CREAMAgua Flumen River project, which was carried out previously in the study area. Both the suitability model and the greedy algorithm provided critical information for siting a wetland and demonstrated the effectiveness of both approaches. By means of this study, we present highly applicable results as they are based on a real project (Eu Life-CREAMAgua Flumen River project), besides proposing and using the social factor as an innovative approach for the wetlands siting. This research and its possible adaptations can be used by decision makers to improve water quality using social and economic criteria, resulting in the efficient implementation of ecological-restoration projects.

Keywords: Wetlands; Nitrate removal; Environmental planning; Watershed management; Multi-criteria; GIS (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s11269-017-1572-2

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