Species dispersal potential: representativeness of habitat mapping and connectivity analyses in the Kattegat and Øresund region: a case study for Øresund og Kattegat on same risk assessment (39446)

Project Details


The scope of this study is to apply the SRA concept on a specific area including the Kattegat and Øresund region between Denmark and Sweden. A number of ferry lines operate in this area between the two countries. The main focus of the study is to identify relevant potential and existing Marine invasive species (MIS) in the region and to give a best estimate on the potential natural dispersal of each species as a basis for an area based risk assessment to support the national authorities in a decision on an eventual SRA assignment in the Kattegat and Øresund or parts hereof.

The study proposes a rating of each species expressing to which extent the spe-cies supports a designation of an SRA in the whole of the Kattegat and Øresund region. If a species is con-sidered to limit the extent of an SRA, this decision will rely not only on the analyses of potential natural dis-persal but also include other considerations presented as relevant for a risk assessment. Due to the nature of the problem, analyzing the natural dispersal of MIS is not yet introduced or it is introduced but not yet fully established. Therefore, the approach will be partly theoretical. A number of assumptions are required for the individual steps of the analysis and these assumptions may affect the outcome of a risk assessment. Thus, the approach we present here is attempted to be as transparent and reproducible as possible so that scientific disagreement on individual assumptions can be relatively easily tested and challenged.

National Institute of Aquatic Resources, DTU Aqua (coordinator)
Danish Environmental Protection Agency, Denmark
Maritime Authority of Denmark
Danish Ferries & Danish Shipping, Denmark
Litehauz Aps, Denmark


The project is funded by Aktieselskabet Dampskibsselskabet Orient's Fond.
Research area: Oceanography

Effective start/end date01/05/201731/08/2018


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