with support from the United Nations Environment Programme. Wildlife The two islands are oceanic islands which have always been separate from mainland Central Africa and so there is a relatively low diversity of species, restricted to those that have managed to cross the sea to the islands. However the level of endemism is high with many species occurring nowhere else in the world. Statistics Maritime claims: Measured from claimed archipelagic baselines Exclusive economic zone: Territorial sea: Climate Tropical; hot, humid; one rainy season (October to May) Terrain Volcanic, mountainous Elevation extremes Lowest point: Atlantic Ocean Natural resources Fish, hydropower: Environment—current issues Deforestation; soil erosion and exhaustion Environment—international agreements Party to: Biodiversity, Climate Change, Desertification, Environmental Modification, Law of the Sea, Ship Pollution Signed, but not ratified: None of the selected agreements Extreme points This is a list of the extreme points of São Tomé and Príncipe, the points that are farther north, south, east or west than any other location. Northernmost point - unnamed headland on Ilhéu Bom Bom Easternmost point - Ponta Capitão, Príncipe Southernmost point - unnamed headland on Ilhéu das Rolas Westernmost point - Ponta Azeitona See also São Tomé and Príncipe References