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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."
People displaced as a result of desertification can lead to increased competition for scarce resources and conflicts, worsening economic issues. [39] Desertification's detrimental effects on ecosystems and biodiversity can have far-reaching consequences for industries like tourism and ecotourism, which rely on healthy ecosystems to attract ...
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.
Overgrazing has adverse impacts. It damages the ecosystem and fuels climate change by causing soil erosion, degrading water resources (such as rivers, streams, and the water table), and destroying biodiversity. [29] Ghana's problems with desertification have also been compounded by unsustainable agricultural practices. [30]
Drought is a phenomenon that occurs in Nigeria and impacts the whole nation. The arid and semiarid regions are more sensitive than the dryer south, but the degree of vulnerability varies. In Northern Nigeria , there are several records of drought occurrences that resulted in famines in the years 1914, 1924, 1935, 1943, 1951–1954, 1972–1973 ...
Agricultural lands in Yemen are subject to various degrees of degradation and decline of soil productivity. Desertification largely threatens the natural resource-base. [28] The UNDP report on climate change in Yemen, desertification is a major environmental issue intensified by climate change and human activities.
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.
Sustainable Development Goal 15 (SDG 15 or Global Goal 15) is about "Life on land".One of the 17 Sustainable Development Goals established by the United Nations in 2015, the official wording is: "Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably manage forests, combat desertification, and halt and reverse land degradation and halt biodiversity loss". [1]