Channel Islands referred to as an 'Île normande' (as opposed to "anglo-normande"). 'Îles Normandes' and 'Archipel Normand' have also, historically, been used in Channel Island French to refer to the islands as a whole. The very large tidal variation provides an environmentally rich inter-tidal zone around the islands, and some islands such as Burhou, the Écréhous, and the Minquiers have been designated Ramsar sites. The waters around the islands include the following: The highest point in the islands is Les Platons in Jersey at 143 metres (469 ft) above sea level. The lowest point is the Atlantic Ocean (sea level). The earliest
Iles Purpuraires BC. (Trakadas, 2002) The islands have been designated as a protected Ramsar site since 2005. Iles Purpuraires Iles Purpuraires are a set of small islands off the western coast of Morocco at the bay located at Essaouira, the largest of which is Mogador Island. These islands were settled in antiquity by the Phoenicians, chiefly to exploit certain marine resources and as a promontory fort. (Hogan, 2007) Roman occupation of western Morocco beginning in the 2nd century BC continued the use of the islets, principally for manufacture of a royal blue dye from certain marine organisms. Neolithic archaeological studies in this