A New Tool for the Sustainable Use of Marine Space

Elisa Dallavalle (), Irene Daprà and Barbara Zanuttigh
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Elisa Dallavalle: Department of Civil, Chemicals, Environmental and Materials Engineering, Viale del Risorgimento 2, 40136 Bologna, Italy
Irene Daprà: Department of Civil, Chemicals, Environmental and Materials Engineering, Viale del Risorgimento 2, 40136 Bologna, Italy
Barbara Zanuttigh: Department of Civil, Chemicals, Environmental and Materials Engineering, Viale del Risorgimento 2, 40136 Bologna, Italy

Sustainability, 2025, vol. 17, issue 22, 1-18

Abstract: In recent years, the sustainable use of marine space has become increasingly important due to the growing number of competing activities. To minimize conflicts and environmental impacts, the co-location of these activities in multi-use marine areas is essential. Several approaches have been proposed to evaluate synergies and incompatibilities among marine uses, but most of them are either complex, case-specific, or lack full automation, which can limit their broader applicability. In this context, the paper presents an enhanced version of a Decision Support Tool for identifying optimal combinations of co-located activities. The tool is based on a multi-criteria analysis integrating technological, environmental, social, and economic factors, and it automatically provides an optimal configuration through a guided, user-friendly procedure. Experts select options for each activity and criterion from drop-down menus, and the tool automatically assigns scores and combines them to rank the different activity combinations. Implemented in an Excel sheet with a wizard interface, it can be easily completed by experts from different fields, who can assign weights to each criterion through discussion. The tool’s general structure also allows its use by policy-makers and consultants, supporting informed decision-making and facilitating science–policy interaction.

Keywords: Blue-Growth; Marine Spatial Planning; sustainability; Multi-Criteria Methodology; Decision Support Tool; Multi-Use Areas; decision-making (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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