This degradation is most noticeable in Africa, which is also experiencing large scale desertification, particularly in a beltway below the Sahara Desert known as the Sahel… Elders in a village in Burkina Faso describe how the area has changed from a fertile area to a drought-prone near-desert. The drying of the Sahel in the late 20th century caused widespread famine that attracted world-wide attention, including the United Nations Conference on Desertification (UNCOD) in Nairobi, Kenya in 1977, the 1993 Convention to Combat Desertification, the 2006 International Year of the Desert and Desertification, and the Millennium Ecosystem Assessment. Song is to its respiteful owner, no copyright was intended. The Sahel Zone. The Sahel Zone lies between the Sahara desert in the north and the grasslands of Central Africa in the south. Sahel, Arabic Sāḥil, semiarid region of western and north-central Africa extending from Senegal eastward to Sudan. It forms a transitional zone between the arid Sahara (desert) to the north and the belt of humid savannas to the south. From the 1970s onwards, it was the Horn of Africa and Sahel droughts that introduced desertification to a worldwide audience. Persistent drought conditions, coupled with substantial growth of both the human and livestock populations in the Sahel, resulted in a gradual desertification of the region. The Sahel is a region of western and north-central Africa. It is semiarid , meaning that it gets more rainfall than a desert but is still fairly dry. The Sahel runs in an east-to-west band through portions of the countries of Senegal, Mauritania, Mali, Burkina Faso, Niger, Nigeria, Chad, Sudan, and Eritrea. 1.. IntroductionThe African Sahel stretches from the Atlantic coast of Senegal and Mauritania to the Red Sea coast of Sudan and Eritrea. Causes - Civil war. The Sahara has a diverse landscape. Sahel has a semi-arid climate. The reported incidence of desertification has been challenged but persistent and widespread drought is still widely accepted. DESERTIFICATION, DROuGhT AND CLImATE ChANGE Aridity zones Source: UNEP-GRID, 2007. Protection of vegetative cover: Protecting soil from wind and water erosion helps to prevent the loss … Gavin Haines investigates whether a project to reforest the region could help. Originally conceived as a massive tree plantation crossing the African continent from west to east, the GGW has evolved into a set of restoration projects aimed at environmental and human well-being. The Sahel comprises one million square miles of arid and semi-arid land along the edge of the Sahara, stretching from the Atlantic to the Red Sea. The Sahel region of West Africa is well known as a region of environmental degradation. The effect of desertification in the sahel are very bad because it makes the farmers produce less yield of food to the people in the community, the people and animals dies off because of the lack of food. Julio Godoy: The wall envisioned by 11 African countries on the southern border of the Sahara, and their international partners, is aimed at limiting the desertification of the Sahel zone 1983. Eventually this created political pressure to forge an international convention and permanent United Nations agency to combat desertification, the United Nations Convention to Combat Desertificiation (UNCCD) . One is meteorological, which takes into account the average… Drought, defined solely as a function of rainfall, is believed to have commenced in the early 1970s and continued through to the present. 1983. It is a figure for the ‘green-ness’ of the surface, the ratio of the measured reflectances of red … Study CASE STUDY 9 : DESERTIFICATION CASE STUDY - SAHEL flashcards from Luke O'Mahoney's class online, or in Brainscape's iPhone or Android app. Desertification trends are evaluated by means of the ‘normalised difference vegetation index’ (NDVI). Desertification on the other hand is defined as a process of land degradation in arid, semi-arid and dry sub-humid areas, resulting from various factors, including climatic degradation. (Image courtesy of the Africa Data Dissemination Service from the USGS). The initiative is Africa’s flagship response to combat climate change and desertification, through large-scale restoration for small-scale farming across North Africa, the Sahel and Southern Africa, applying a transformative approach that improves landscapes and livelihoods of millions of people. Across the world, desertification affects the livelihoods of millions of people who rely on the benefits that dryland ecosystems can provide. STUDY. “Desertification is a man-induced process that leads to soil nutrient depletion and reduction of biological productivity. Desertification is a man-induced process that leads to soil nutrient depletion and reduction of biological productivity. landscape. It occurs when drylands become increasingly arid or desert-like. desertification to explain social and environmental change in the Sahel is not an isolated case. CodePink is a women's grassroots-initiated, worldwide organization of women and men working for peace, social justice and a green economy. GGW, as conceived by 11 countries located along the southern border of the Sahara and their international partners, is aimed at limiting the desertification of the Sahel zone. Conflict, poverty and migration You must be logged in to post a comment. Drought and Desertification, with Specific Reference to The Sahel Zone, Africa Drought is a prolonged period of abnormally low rainfall, leading to a shortage of water, this can some times lead to desertification, which is the process by which fertile land becomes desert, this can also be caused by deforestation or inappropriate agriculture as well. Desertification in the Sahel region occurred in large part because of a positive feedback mechanism involving the descending branch of the Hadley cell. The word Sahel is an Arabic word for "border" and comprises the zone between the true desert of the Sahara to the north and the wetter tropical area to the south. A climate model-based review of drought in the Sahel: Desertification, the ... southern margin of the Sahara desert,3 or, alternatively, the northern margin of the region influenced by the northern summer African monsoon. Although desertification is not occurring across the entire Sahel, it is likely occurring in specific areas. [ more] Expanding Africa's Great Green Wall It has a population of over 50 million.Causes of Desertification: Low rainfall. Medium and high-resolution satellite imagery can spot localized land degradation. In the Sahel slashing and burning of … asked Jun 26, 2017 in Environmental & Atmospheric Sciences by Daina. Desertification occurs when land surfaces are transformed by human activities, including overgrazing, deforestation, surface land mining, and poor irrigation techniques, during a natural time of drought. Desertification in the Sahel can largely be attributed to greatly increased numbers of humans and their grazing cattle . These, in turn, are typically viewed as a function of the Sahel’s population growth, and the related demand for wood to meet rising cooking, housing and farming needs. STATEMENT OF INTENT: This piece of coursework is a magazine article to be posted in National Geographic magazine. The term Sahel comes from the Arab word sāḥil, which means “edge or coast”. Today this approach is widespread across the Sahel region and has proven to be an effective method of reversing desertification. Civil war in Eritrea, Ethiopia and Somalia (people forced into areas and so concentration of people increases in e.g. The Sahel region of West Africa is well known as a region of environmental degradation. Around 40 percent of the populations of Burkina Faso, Chad, Mali, Niger, and Senegal live on less than $1.90 a … It forms the southern margin of the Sahara desert, 3 or, alternatively, the northern margin of the region influenced by the northern summer African monsoon. Aside desertification, the region has also been affected with severe drought even as … The Sahel region in West Africa is one of the poorest parts of the world. We also have multilingual homework helpers so In recent years, the Sahel has experienced desertification. Civil wars in Ethiopia, Eritrea and Somalia. Hindou Ibrahim on A Land of Opportunity in the Sahel, a belt of semi-arid land between the Sahara desert and the rain forests of the South. During November 2004, a number of major dust storms hit Chad, originating in the Bodélé Depression. A major initiative to combat desertification in the Sahel region via reforestation and other interventions is the Great Green Wall. This is about a … Sahel Desertification – Informative Coursework Essay Sample. This strip of land includes the countries Sudan, Chad, Niger, Nigeria, Burkina Faso, Mali and Mauritania. The desertification narrative in the Sahel has already had a long life. Desertification in the Sahel Sahel region of West Africa is one of the frontlines of desertification. Desertification in Africa's Sahel region may be driving a range of problems including terrorism. Rising temperatures and desertification in the Sahel have often been considered closely linked to unsustainable patterns of deforestation and logging. Video News Release: Action Against Desertification Initiative in the Sahel . Drought, defined solely as a function of rainfall, is believed to have commenced in the early 1970s and continued through to the present. Suggested Citation:"Desertification in the Sahel. Desertification may intensify a general climatic trend toward greater aridity, or it may initiate a change in local climate. Looking beyond the Sahel, the chapters in this book provide case studies from around the world that examine the use and relevance of the desertification concept. a general view of an area of land; how a particular piece of area is viewed. Although drought and famine were unavoidable components of life in this harsh region, the people were relatively prosperous and developed agricultural and livestock practices that allowed local populations to endure and recover from the extremes of nature (Office of Technology … Such declines may be the result of climate change, deforestation, overgrazing, poverty, political instability, unsustainable irrigation practices, or combinations of these factors. Local people, researchers and human rights activists alike are struggling to cope with the heavy human and environmental toll. It forms a transitional zone between the arid Sahara (desert) to the north and the belt of humid savannas to the south. Learn faster with spaced repetition. Public awareness of desertification increased during the severe drought in the Sahel (1968–73) that accelerated the southward movement of the Sahara. For example, the World Bank argues that land pressures in the Sahel are contributing to the region’s fragility trap. One ambitious initiative created to reduce desertification in Africa is the Great Green Wall. This video shows the process of desertification and what the impacts are on the Sahel region. In 2010, the documentary The Man Who Stopped the Desert was created to highlight Sawadogo's success, who achieved what was considered scientifically unachievable. Scientists consider it an advanced form of land degradation In cooperation with the CNRD and ITT of the TH Köln. For example, many of the policies for combating desertification tried in the Sahel during the 1970s and 1980s failed because they did not involve local land managers (C22.3.2, R2.4.3). This index, based on satellite data, quantifies the amount of vegetation (1). Sahel Desertification The people of the Sahel region have had a long history of migration as a livelihood diversification strategy to combat the Sahelian climate. Sahel: The Sahel is a transitional zone in northern Africa separating the Sahara Desert from the savannahs of Sudan. The semi-arid region of western and north-central Africa extends from Senegal to Djibouti. A drought generally happens when a region receives below the average precipitation level, consistently. Location Desertification in Sahel Sahel is the zone in Africa that connects the Sahara Desert in the North to the Savanna in the South. PLAY. and others that the 1970s Sahel drought was a result of desertification and the U.N. proclamation that some 35 million km 2 of land had already been lost, this topic became the focus of much scientific, political, and institutional attention. It usually affects dry areas on the edge of deserts, eg The Sahel, south of the Sahara Desert in Africa. The five presidents of the new French and U.S.-backed G-5 Sahel coalition (Mauritania, Mali, Burkina Faso, Niger, and Chad) were present. Sahel. Yes, we have a pool of multiple homework helpers who have done Masters in a specific degree. Given its geographical location, the Sahel and Horn Of Africa are threatened by desertification. Satellite data spanning more than twenty years now shows that the Sahel is holding its own against the Sahara and may be recovering with the return of near-normal rainfall. This is the process that sees productive land turned into non-productive desert. The reported incidence of desertification has been challenged but persistent and widespread drought is still widely accepted. The Sahel spans 3,360 miles from the Atlantic Ocean to the Indian Ocean, a belt stretching across the southern edge of the Sahara. The Sahel region along the southern border of the Sahara desert was once the home of vast trading empires.
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