Guiana Shield is equally rich and 13,367 species of vascular plants have been found, approximately 40% of which is considered endemic. The shield is overlain by the largest expanse of tropical forest on any Precambrian shield area in the world. Guianan rain forest is similar in nature to Amazonian rain forest and known protected areas include the Iwokrama Forest of central Guyana, Kaieteur, Kanuku National Park of southern Guyana, the UNESCO World Heritage Site Central Suriname Nature Reserve of Suriname, the Guiana Amazonian Park in French Guiana and the Tumucumaque National Park in the Amapá State of Brazil. In Venezuela the forests
History of Guyana of the legacies of the indigenous peoples was the word Guiana, often used to describe the region encompassing modern Guyana as well as Suriname (former Dutch Guiana) and French Guiana. The word, which means "land of waters", is appropriate considering the area's multitude of rivers and streams. Historians speculate that the Arawak and Carib originated in the South American hinterland and migrated northward, first to the present-day Guianas and then to the Caribbean islands. The Arawak, mainly cultivators, hunters, and fishermen, migrated to the Caribbean islands before the Carib and settled throughout the region. The tranquility of Arawak society was