RT null T1 London convention and protocol UNEP: guidelines for the placement of artificial reefs A1 United Nations Environment Programme, PB United Nations Environment Programme SN 978-92-807-3022-7 YR 2009 FD 2009 LK https://wedocs.unep.org/handle/20.500.11822/8141 UL https://wedocs.unep.org/handle/20.500.11822/8141 NO This regional sea report on the primary objective to have guidelines to ensure that development of artificial reefs is consistent with London convention and protocol and it is carried out in harmony with the basic principles of ecosystem approach to the management of marine environment. DS UN Environment Document Repository RD Sep 18, 2026