摘要:La Digue is the fourth largest inhabited island of theSeychelles, lying east of Praslin and west of FeliciteIsland. The island is only 14 km², with most of itssurface covered by tropical forests of uncommon beauty.The steep hillsides, reaching 333 m a.s.l. are constituted ofgranitic rock. In the western part, an oval shaped plateauarea covers a surface of 1.87 km², with a mean elevation of3.5 m a.s.l. The plateau is bordered to the east by the sea andto the west by two rivers which collect surface runoff fromthe hills. The population, about 2000 people, mostly live inthe west coast villages of La Passe and La Réunion in theplateau area. The main economic activities of the island aretourism and, to a smaller extent, agriculture.