Contribution to the Themed Section: ‘Decommissioned offshore man-made installations’

Jennifer Dannheim *, Lena Bergström, Silvana N. R. Birchenough, Radosław Brzana, Arjen R. Boon, Joop W. P. Coolen , Jean-Claude Dauvin, Ilse De Mesel, Jozefien Derweduwen, Andrew B. Gill, Zoë L. Hutchison, Angus C. Jackson, Urszula Janas, Georg Martin, Aurore Raoux, Jan Reubens, Liis Rostin, Jan Vanaverbeke, Thomas A. Wilding, Dan Wilhelmsson, and Steven Degraer Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Science, Am Handelshafen 12, Bremerhaven 27570, Germany Helmholtz Institute for Functional Marine Biodiversity at the University of Oldenburg (HIFMB), Ammerländer Heerstraße 231, Oldenburg 26129, Germany Department of Aquatic Resources, Swedish University of Agricultural Sciences, Skolgatan 6, Öregrund 74242, Sweden Cefas Lowestoft Laboratory, Pakefield Road, Lowestoft, Suffolk NR33 0HT, UK Institute of Oceanography, University of Gdansk, Al. Marsz. J. Pilsudskiego 46, Gdynia 81-378, Poland Deltares, Unit Marine and Coastal Studies, P.O. Box 177, Delft 2600 MH, The Netherlands Wageningen Marine Research (Formerly IMARES), P.O. Box 57, Den Helder 1780 AB, The Netherlands Aquatic Ecology and Water Quality Management Group, Wageningen University, Droevendaalsesteeg 3a, Wageningen 6708 PD, The Netherlands Normandie Univ, UNICAEN, Laboratoire Morphodynamique Continentale et Côtière, CNRS, UMR 6143 M2C, 24 Rue des Tilleuls, Caen 14000, France Operational Directorate Natural Environment (OD Nature), Marine Ecology and Management (MARECO), Royal Belgian Institute of Natural Sciences, Vautierstraat 29, Brussels B-1000, Belgium Institute for Agricultural and Fisheries Research (ILVO), Ankerstraat 1, Oostende B-8400, Belgium PANGALIA Environmental, Ampthill, Bedfordshire, UK Graduate School of Oceanography, University of Rhode Island, Narragansett, RI 02882, USA Centre of Applied Zoology, Cornwall College Newquay, Wildflower Lane, Trenance Gardens, Newquay, Cornwall TR7 2LZ, UK Estonian Marine Institute, University of Tartu, Mäealuse 14, Tallinn 12618, Estonia Flanders Marine Institute, Wandelaarkaai 7, Oostende 8400, Belgium Scottish Association for Marine Science, Scottish Marine Institute, Oban, Argyll PA37 1QA, UK Swedish Secretariat for Environmental Earth System Science (SSEESS), Royal Swedish Academy of Science, Box 50005, Stockholm 104 05, Sweden *Corresponding author: tel: þ 49 471 4831 1734; e-mail: jennifer.dannheim@awi.de.