Journal
MARINE POLICY
Volume 106, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.marpol.2019.103533
Keywords
Co-location; Coexistence; Use-use interactions; Multi-use; Maritime spatial planning (MSP); Spatial decision support tools (DSTs); Geographical information systems (GIS)
Categories
Funding
- BONUS [185]
- EU
- Innovation Fund Denmark
- Swedish Research Council, Formas
- Academy of Finland
- Latvian Ministry of Education, and Science
- Forschungszentrum Julich GmbH (Germany)
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The space occupied by traditional and new human-based marine uses at sea is expanding, creating a need for developing methods to assess interactions between co-located uses in maritime spatial planning (MSP). However, no clear terminology for use-use interactions exists. Thus, an analytical framework for spatial decision support tools (DSTs) to assess use-use interactions is deduced from literature. Four spatial-temporal links are found to either alone or together constitute use-use interactions: location links, environmental links, technical links, and user attraction links. It is found to be important for DSTs to support co-location management in MSP by iteratively through the MSP process 1) spatially-temporally locate spatial-temporal links constituting use-use interactions, 2) list conflicts and synergies of the located use-use interactions, and 3) weight the conflicts and synergies. With this analytical framework, two types of DSTs are analysed for their ability to include co-location; matrix- and ranking-based DSTs to detect conflicts and synergies and space allocating DSTs to avoid/minimise conflicts and optimise synergies. Whereas the first group of tools categorise or rank use-use combinations, the latter group use information about which multi-use combinations are possible as pre-existing knowledge, and thus the two groups of DSTs can advantageously be used together. A discrepancy is found between the co-location framework and the DSTs. It is argued that future tools could work on removing this discrepancy by considering the spatial-temporal links of use-use interactions, strengthen the focus on synergies, as well as prioritize ranking of synergies and conflicts over binary approaches that only evaluate spatial compatibility.
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