1. Department of Biology and Chemistry, University of Bremen, Bremen, Germany
2. Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany
3. Húsavík Research Center, University of Iceland, Húsavik, Iceland
4. Department of Aquatic Resources Management, IPB University (Bogor Agricultural University), Bogor, Indonesia
5. Center for Ocean and Society, Christian-Albrechts-University Kiel, Kiel, Germany
6. Department of Agricultural Economics, Christian-Albrechts-University Kiel, Kiel, Germany