Erratum to: Mar Biol (2013) 160:309–325 DOI 10.1007/s00227-012-2089-0

Unfortunately, a part of acknowledgment was missed in the original publication. The complete acknowledgments section is given below:

Acknowledgments This research was supported by funds from Agence des aires marines protégées and the Réseau Benthique network. The research outcomes have contributed toward the development of an ecological baseline for French Atlantic and English Channel Natura 2000 sites. The authors would like to thank the staff of the Service des Applications Géomatiques and in particular E. Giocomini, E. Autret, and C. Carré for considerable support throughout the project. We acknowledge all data providers and those persons who helped us gain access to these resources. We also thank B.D. Russell, T.M. Ward, and two anonymous reviewers for helpful comments that improved the manuscript. The authors would like to thank Torio Dante, Laurent Lévèque, and Myriam Valero for sharing unpublished biomass data collected within the framework of the ANR project ECOKELP.