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Desertification is a gradual process of increased soil aridity. Desertification has been defined in the text of the United Nations Convention to Combat Desertification (UNCCD) as "land degradation in arid, semi-arid and dry sub-humid regions resulting from various factors, including climatic variations and human activities."
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 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 ...
English: A full-term sample syllabus that incorporates many of the best practices for running major Wikipedia assignments. Source files are available in Scribus and InDesign formats. Date
Desertification is one of the issues of environmental concern in Nigeria, particularly the northern part of the country. According to UNEP [4] in 1993, Northern Nigeria has one of the highest rates of deforestation in the world at about 3.5%, caused by land degradation, increase in agricultural intensity, over-grazing of livestock, and demand for fuel by cutting down trees.
The United Nations Convention to Combat Desertification in Those Countries Experiencing Serious Drought and/or Desertification, Particularly in Africa (UNCCD) is a Convention to combat desertification and mitigate the effects of drought through national action programs that incorporate long-term strategies supported by international cooperation and partnership arrangements.
The winter weather can be unpredictable: There are some years you can go completely unscathed by a winter storm, while other years it seems to pile on day after day. But if you live in an area ...
These births and deaths, taken over long time spans, can lead to regime shifts, such as desertification of this ecosystem. [31] [32] This means that these events may be indicative of a large-scale transformation of this landscape, so that observing fairy circles birth is indicative of a gradual desertification process taking place. [31]