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Describes what causes desertification, and how we can stop it. ... WHAT CAUSES DESERTIFICATION?; * Overgrazing is the major cause of desertification worldwide. Plants of semi-arid areas are adapted to being eaten by sparsely scattered, large, grazing mammals which move in response to the patchy rainfall common to these regions.
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www.botany.uwc.ac.za/Envfacts/facts/desertification.htm
www.botany.uwc.ac.za/Envfacts/facts/desertification.htm
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The causes of desertification ... But the causes of desertification are complex, and the relationship between two variables such as population and desertification is not clear-cut. For example, a decline in population can result in desertification since there may no longer be enough people to manage the land adequately.
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www.unccd.int/publicinfo/factsheets/showFS.php?number=2
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1. An introduction to the United Nations Convention to Combat Desertification; ... 2. The causes of desertification; ... 4. Action programmes for combating desertification;
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www.unccd.int/publicinfo/factsheets/menu.php
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What causes desertification? The immediate cause is the removal of vegetation. Unprotected, dry soil surfaces then blow away with the wind or are washed away by flash floods, leaving infertile lower soil layers that bake in the sun and become an unproductive hardpan. ... But what causes the removal of vegetation?
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www.oasisglobal.net/what_cause.htm
www.oasisglobal.net/what_cause.htm
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Desertification is devouring more than 20,000 square miles of land worldwide every year. Desertification affects 74% of the land in North America. In Africa, more than 2.4 million acres of land (73% of its drylands) are affected by desertification.
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www.didyouknow.org/deserts.htm
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Human Causes ... Climate change (longer term) ... Use of dung as fuel...
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www.geography.dur.ac.uk/teaching/level1/module2/we/dese...
www.geography.dur.ac.uk/teaching/level1/module2/we/desert/tsld014.htm
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The process of desertification is a complex phenomenon which manifests itself through the progressive diminution of natural resources of arid and semi-arid environments, mainly as a result of anarchic exploitation and poor management of resources. ... Title: [Processes of desertification: causes and consequences]
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www.popline.org/docs/0845/077070.html
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Having now devised a definition of desertification it is now possible to begin delineating the causes of desertification. One may clump the theorists attempting to explain the origins of desertification into one of three camps: the human provocation camp, the natural causes camp, and the complex cause camp.
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www.smithsbluebook.com/desertification.html
www.smithsbluebook.com/desertification.html
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Desertification - Wikipedia, the free encyclopedia
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Desertification is the degradation of land in arid and dry sub-humid areas, resulting primarily from man-made activities and influenced by climatic variations. It is principally caused by overgrazing...
en.wikipedia.org/wiki/Desertification
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