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Although some gemstones can also be found in temperate zones throughout the world, turquoise can only be found in tropical deserts. Turquoise is a very valuable and popular opaque gemstone, with beautiful blue-green or sky-blue colour and exquisite veins. [11]
extent of tropical and subtropical grasslands, savannas, and shrublands. Tropical and subtropical grasslands, savannas, and shrublands is a terrestrial biome defined by the World Wide Fund for Nature. [1] The biome is dominated by grass and/or shrubs located in semi-arid to semi-humid climate regions of subtropical and tropical latitudes ...
In Australia, subtropical steppe can be found in a belt surrounding the most severe deserts of the continent and around the Musgrave Ranges. In North America this environment is typical of transition areas between zones with a Mediterranean climate and true deserts, such as Reno, Nevada , the inner part of California , and much of western Texas ...
The Nama Karoo of Namibia has the world's richest desert fauna. [8] The Chihuahuan desert and Central Mexican matorral are the richest deserts in the Neotropics. [9] The Carnarvon xeric shrublands of Australia are a regional center for endemism. [1] The Sonoran and Baja deserts of Mexico are unusual desert communities dominated by giant ...
Mammals found here include the last Somali wild ass (Equus africanus somalicus) to be found in the wild, on the Buri Peninsula of Eritrea. Other grazing animals include beira, dorcas gazelle, Soemmerring's Gazelle, gerenuk and the beisa oryx (Oryx beisa). The only purely endemic mammal is a gerbil, Gerbillus acticola.
The South Saharan steppe and woodlands, also known as the South Sahara desert, is a deserts and xeric shrublands ecoregion of northern Africa.This band is a transitional region between the Sahara's very arid center (the Sahara desert ecoregion) to the north, and the wetter Sahelian Acacia savanna ecoregion to the south. [1]
The Red Sea Nubo–Sindian tropical desert and semi-desert ecoregion (WWF ID: PA1325) covers extremely arid land along the northeastern Red Sea, the southern Sinai Peninsula, and on a thin strip along the Israel-Jordan border. Most of the coastal land is flat, but there are high mountains in southern Sinai.
Tropical grasslands, savannas, and shrublands [12] are spread over a large area of the tropics with a vegetation made up mainly of low shrubs and grasses, often including sclerophyll species. [12] Some of the most representative are the Western Zambezian grasslands in Zambia and Angola , as well as the Einasleigh upland savanna in Australia and ...