Acknowledgements. Introduction and background to 'Artificial reefs in European seas'. 1. Artificial Reefs off the Mediterranean Coast of Israel; E. Spanier. 2. Turkey: A New Region for Artificial Habitats; A. Lok, A. Tokac. 3. Artificial Reefs in the Adriatic Sea; G. Bombace, et al. 4. Artificial Reefs in Sicily: an overview; S. Riggio, et al. 5. Artificial Reefs in the Gulf of Castellammare (North West Sicily): a case study; F. Badalamenti, et al. 6. Artificial Reefs in North West Sicily: Comparisons and conclusions; G. D'Anna, et al. 7. Prediction of Benthic and Fish Colonisation on the Fregene and other Mediterranean Artificial Reefs; G. Ardizzone, et al. 8. The Loano Artificial Reef; G. Relini. 9. Artificial Reefs in the Principality of Monaco: Protection and enhancement of coastal zones; D. Allemand, et al. 10. Artificial Reefs in France: analysis, assessments and prospects; G. Barnabe, et al. 11. Artificial Reefs in Spain: the regulatory framework; S. Revenga, et al. 12. Artificial Anti-Trawling Reefs off Alicante, South-Eastern Iberian Peninsula: evolution of reef block and set designs; A.A. Ramos-Espla, et al. 13. Artificial Reef Programme in the Balearic Islands: Western Mediterranean Sea; I. Moreno. 14. Artificial Reefs of the Canary Islands; R. Haroun, R. Herrera. 15. Portuguese Artificial Reefs; C.C. Monteiro, M.N. Santos. 16. The Poole Bay Artificial Reef Project; A. Jensen, et al. 17. An Artificial Reef Experiment off the Dutch Coast; R. Leewis, F. Hallie. 18. Environmental Effects of Artificial Reefs in the Southern Baltic (Pomeranian Bay); J.C. Chojnacki. 19. Employment of Artificial Reefs for Environmental Maintenance in the Gulf of Finland; A. Antsulevich, et al. 20. Rigs to Reefs in the North Sea; G. Picken, et al. 21. Coal Ash for Artificial Habitats in Italy; G. Relini. 22. Effects of Artificial Reef Design on Associated Fish Assemblages in the Cote Bleue Marine Park; E. Charbonnel. 23. The Potential Use of Artificial Reefs to Enhance Lobster Habitat; A. Jensen, et al. 24. Physical Protection of the Seabed and Coast by Artificial Reefs; B. Hamer, et al. 25. Shipwrecks on the Dutch Continental Shelf as Artificial Reefs; R. Leewis, et al. 26. 'Periphyton' Colonisation: Principals, Criteria and Study Methods; A. Falace, G. Bressan. 27. Investing in Artificial Reefs; D. Whitmarsh, H. Pickering. 28. Legal Framework Governing Artificial Reefs in the European Union; H. Pickering. 29. Current Issues Relating to Artificial Reefs in European Seas; A. Jensen, et al.