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A satellite image of the Sahara, the world's largest hot desert and third largest desert after Antarctica and the Arctic. Desert greening is the process of afforestation or revegetation of deserts for ecological restoration (biodiversity), sustainable farming and forestry, but also for reclamation of natural water systems and other ecological systems that support life.
Washingtonia filifera, the desert fan palm, [4] California fan palm, or California palm, [5] [6] [7] is a flowering plant in the palm family Arecaceae, native to the far southwestern United States and Baja California, Mexico.
The Sonoran Desert. The Sonoran Desert is a North American desert and ecoregion which covers large parts of the southwestern United States and of northwestern Mexico. With an area of 260,000 square kilometers (100,000 sq mi), it is the hottest desert in Mexico. The western portion of the Mexico–United States border passes through the Sonoran ...
This list of flora of the Mojave Desert region includes the flora of the Mojave Desert and of the mountains that are encircled by the Mojave Desert. Some of this flora is well above the level of growth of Yucca brevifolia ( Joshua Trees ), the upper reaches of which defines the outline of the Mojave Desert.
The desert contains a variety of unique endemic plants and animals, notably, the saguaro (Carnegiea gigantea) and organ pipe cactus (Stenocereus thurberi). The Sonoran Desert is clearly distinct from nearby deserts (e.g., the Great Basin , Mojave , and Chihuahuan deserts ) because it provides subtropical warmth in winter and two seasons of ...
It is a dioecious, leafless, phreatophyte (meaning its roots penetrate deep down to water near the water table) that is found in sandy deserts but not stony plains, in areas with access to ground water such as ephemeral rivers and paleochannels, where sand accumulating in the shelter of its stems can form hummocks up to 1000–1500 m 2 in area and 4 meters in height.
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Desert plants maximize water uptake by having shallow roots that spread widely, or by developing long taproots that reach down to deep rock strata for ground water. [77] The saltbush in Australia has succulent leaves and secretes salt crystals, enabling it to live in saline areas.