1. Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk NR33 0HT, UK
2. School of Environmental Sciences, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK
3. Hellenic Centre for Marine Research (HCMR), Agios Kosmas, 16604 Hellinikon, Greece
4. Department of Ichthyology and Aquatic Environment, University of Thessaly, Fytoko Street, Volos 38446, Greece
5. Environmental Policy Group, Wageningen University, Hollandseweg 1, 6706 KN Wageningen, The Netherlands
6. Wageningen Marine Research, Haringkade 1, 1976CP Ijmuiden, The Netherlands
7. Biosciences, University of Exeter, Exeter, EX4 4QD, UK
8. AZTI, Txatxarramendi Ugartea z/g. E-48395 Sukarrieta, Spain