Karoo Karoo biome. The number of mainly succulent plant species is very high for an arid area of this size anywhere in the world. The Nama Karoo biome is located entirely on the central plateau mostly at altitudes between 1000 and 1500 m. It incorporates nearly the whole of the historical and geographical Great Karoo, but also includes a portion of southern Namibia's Namaqualand, and South Africa's Bushmanland" (both local geographical names, not names of biomes). It is the second-largest biome in South Africa, and forms the botanical transition between the Fynbos biome to the south and the savannah biome to
Gulf of Oman desert and semi-desert Gulf of Oman desert and semi-desert The Gulf of Oman desert and semi-desert is a coastal ecoregion on the Persian Gulf and the Gulf of Oman in Oman and the United Arab Emirates at the northeastern tip of the Arabian Peninsula. The climate is hot and dry; the ecoregion contains a mixture of habitats including mangrove swamps, lagoons and mudflats on the coast, and gravelly plains and savanna with thorny acacia trees inland. The mangrove areas are dominated by "Avicennia marina" and the savanna by "Prosopis cineraria" and "Vachellia tortilis". Masirah Island is an important breeding area for the loggerhead