[1] Marine Conservation Research Group, School of Biological and Marine Science, University of Plymouth, Drake Circus, Plymouth,PL4 8AA, United Kingdom
[2] Muséum National d'Histoire Naturelle, Service des Stations Marines. Station Marine de Dinard, 38 rue du Port Blanc, Dinard,Brittany,35800, France
[3] Patrimoine Naturel Joint Unit (OFB, MNHN, CNRS), Station Marine de Dinard, 38 Rue du Port Blanc, Dinard,Brittany,35800, France
[4] Instituto Español de Oceanografía (CNIEO-CSIC), Centro Oceanográfico de Santander, Promontorio San Martín, s/n, Santander,39080, Spain
[5] Laboratoire d'Océanologie et de Géosciences (LOG), UMR 8187, CNRS, Université du Littoral Côte d'Opale, Université de Lille, Wimereux,62930, France
[6] UN Environment Programme World Conservation Monitoring Centre, 219 Huntingdon Road, Cambridge,CB3 0DL, United Kingdom
[7] OSPAR Secretariat, 63 Southampton Row, London,WC1B 4DA, United Kingdom
[8] Independent Consultant, Sövdevägen 220-5, Blentarp,275 64, Sweden
[9] Gavia EcoResearch, Tönnhäuser Dorfstr. 20, Winsen (Luhe),21423, Germany
[10] DECOD (Ecosystem Dynamics and Sustainability), Institut Agro, Ifremer, INRAE, Rennes, France
[11] Wageningen Marine Research, NL-1781 AG Den Helder, Netherlands
[12] Institute for Terrestrial and Aquatic Wildlife Research, University of Veterinary Medicine Hannover, Foundation, Büsum,25761, Germany
[13] Royal Belgian Institute of Natural Sciences (RBINS), Operational Directorate Nature, Ostend,B-8400, Belgium
[14] Swedish Meteorological and hydrological institute, Sven Källfelts gata 31, Gothenburg,42671, Sweden
[15] Institut de Recherche pour le Développement (IRD), University of Brest, CNRS, Ifremer, LEMAR, Plouzané, France
[16] Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory, Lowestoft, Suffolk,NR33 0HT, United Kingdom
[17] University of Caen Normandie, UMR 8067 BOREA MNHN, Sorbonne University, UCN, CNRS, IRD, UA. Esplanade de la Paix, CS 14032, Caen,14032, France
[18] Joint Nature Conservation Committee, Monkstone House, City Road, Peterborough,PE1 1JY, United Kingdom
[19] BioConsult GmbH & Co. KG, Auf der Muggenburg 30, Bremen,28217, Germany
[20] Institute for Applied Photogrammetry and Geoinformatics, Jade University of Applied Sciences, Ofener Str. 16, Oldenburg,26121, Germany
[21] Schleswig-Holstein Agency for Coastal Defence, National Park and Marine Conservation, National Park Authority, Tönning,25832, Germany
[22] APEM Limited, International House, International Business Park, Southampton,SO18 2RZ, United Kingdom