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Geographic areas most affected are located in Africa (Sahel region), Asia (Gobi Desert and Mongolia) and parts of South America. Drylands occupy approximately 40–41% of Earth's land area and are home to more than 2 billion people. [7] Effects of desertification include sand and dust storms, food insecurity, and poverty.
The Nama Karoo in South Africa is a xeric shrubland that receives between 100 and 500 millimetres (4 and 20 in) of rain a year. [3]The conversion of productive drylands to desert conditions, known as desertification, can occur from a variety of causes.
Deserts can be classified by the amount of precipitation that falls, by the temperature that prevails, by the causes of desertification or by their geographical location. [1] Deserts are formed by weathering processes as large variations in temperature between day and night strain the rocks, which consequently break in pieces. Although rain ...
National Geographic Kids (often nicknamed to Nat Geo Kids) is a children's magazine published by National Geographic Partners. [1] In a broad sense, the publication is a version of National Geographic , the publisher's flagship magazine, that is intended for children.
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.
Desertification in Africa is a form of land degradation that involves the conversion of productive land into desert or arid areas. This issue is a pressing environmental concern that poses a significant threat to the livelihoods of millions of people in Africa who depend on the land for subsistence .
The World Day to Combat Desertification and Drought is a United Nations observance celebrated each year on 17 June. [1] This day was proclaimed by the United Nations General Assembly resolution A/RES/49/115 on January 30, 1995, after the day when United Nations Convention to Combat Desertification is drafted.
The Sechura Desert is a coastal desert located south of the Piura Region of Peru along the Pacific coast and inland to the foothills of the Andes Mountains.Its extreme aridity is caused by the upwelling of cold coastal waters and subtropical atmospheric subsidence, but it is also subject to occasional flooding during El Niño years.