Josefine Larsson, Simrishamn municipality, Marint centrum, Simrishamn, Sweden, Helena L Filipsson, Lund University, Department of Geology, Lund, Sweden, Hampus Södergren, Hanö torskrevsförening/Hano cod reef association, Sölvesborg, Sweden, Hannes Kindeberg, Hanö torskrevsförening/Hano codreef association, Lund, Sweden, Peter Ljungberg, Swedish University of Agricultural Sciences, Department of Aquatic Resources, Uppsala, Sweden, Anders Tengberg, AADI Xylem, Bergen, Norway, Anders Persson, Lund University, Department of Biology, Functional Ecology, Lund, Sweden, Clara Palmer, Department of Biology, Functional Ecology, Lund, Sweden and Lou Cloix, University of Angers, Angers Cedex, France