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Typical deserts are indicated by the hyper-arid category (light yellow). [1] Desertification is a type of gradual land degradation of fertile land into arid desert due to a combination of natural processes and human activities. The immediate cause of desertification is the loss of most vegetation.
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.
Desert farming is the practice of developing agriculture in deserts. As agriculture depends upon irrigation and water supply, farming in arid regions where water is scarce is a challenge. However, desert farming has been practiced by humans for thousands of years. In the Negev, there is evidence to suggest agriculture as far back as 5000 BC. [1]
Desertification is the process by which a piece of land becomes a desert, as the word desert implies. [3] The loss or destruction of the biological potential of the land is referred to as desertification. [4] It reduces or eliminates the potential for plant and animal production on the land and is a component of the widespread ecosystem ...
The deserts, locations where high schools are more than 30 miles away from all community colleges, disproportionately affect rural Americans and those of color, threatening to exacerbate existing ...
Many people think of deserts as consisting of extensive areas of billowing sand dunes because that is the way they are often depicted on TV and in films, [54] but deserts do not always look like this. [55] Across the world, around 20% of desert is sand, varying from only 2% in North America to 30% in Australia and over 45% in Central Asia. [20]
Sand dunes are common features of shoreline and desert environments. Dunes provide habitat for highly specialized plants and animals, including rare and endangered species. They can protect beaches from erosion and recruit sand to eroded beaches. Dunes are threatened by human activity, both intentional and unintentional (see sand theft and sand ...
Santa Anas then blow over the mountains between the deserts and coastal California. ... "Nowhere else do such winds impact so many people with so much force and possess such extensive opportunity ...