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Desert. A desert is a landscape where little precipitation occurs and, consequently, living conditions create unique biomes and ecosystems. The lack of vegetation exposes the unprotected surface of the ground to denudation. About one-third of the land surface of the Earth is arid or semi-arid.
Sonoran Desert. Baja Californian Desert. Chihuahuan Desert. (listed from north to south) Great Kobuk Sand Dunes three small deserts in northwestern Alaska, part of the Kobuk Valley National Park. Yukon - Carcross Desert, smallest desert in the world. Washington – British Columbia – Idaho – Wyoming – Oregon – Nevada.
Desert ecology is the study of interactions between both biotic and abiotic components of desert environments. A desert ecosystem is defined by interactions between organisms, the climate in which they live, and any other non-living influences on the habitat. Deserts are arid regions that are generally associated with warm temperatures; however ...
Deserts and xeric shrublands are a biome defined by the World Wide Fund for Nature. [ 1] Deserts and xeric (ancient Greek xērós, “dry") shrublands form the largest terrestrial biome, covering 19% of Earth 's land surface area. [ 2] Ecoregions in this habitat type vary greatly in the amount of annual rainfall they receive, usually less than ...
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The Sahara (/ s ə ˈ h ɑːr ə /, / s ə ˈ h ær ə /) is a desert spanning across North Africa.With an area of 9,200,000 square kilometres (3,600,000 sq mi), it is the largest hot desert in the world and the third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic.
The Mojave Desert is often colloquially called the "high desert", as most of it lies between 2,000 and 4,000 feet (610 and 1,220 m). It supports a diversity of flora and fauna. The 54,000 sq mi (140,000 km 2) desert supports a number of human activities, including recreation, ranching, and military training. [ 9]
A biome ( / ˈbaɪ.oʊm /) is a distinct geographical region with specific climate, vegetation, and animal life. It consists of a biological community that has formed in response to its physical environment and regional climate. [ 1][ 2] Biomes may span more than one continent. A biome encompasses multiple ecosystems within its boundaries.