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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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Drought and desertification are an intertwined nemesis in their daily lives. This is why the DDPA tackles them in an integrated, holistic way. Return to "What Causes Desertification?"
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www.oasisglobal.net/drought_cause.htm
www.oasisglobal.net/drought_cause.htm
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"Desertification is caused by a combination of factors that change over time and vary by location. These include indirect factors such as population pressure, socioeconomic and policy factors, and international trade as well as direct factors such as land use patterns and practices and climate-related processes."
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www.greenfacts.org/en/desertification/l-2/4-causes-dese...
www.greenfacts.org/en/desertification/l-2/4-causes-desertification.htm
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Mountains often bordering a desert create what is in geographic terms a "rain shadow." The mountains stop most of the rain from entering the soon to be desert. There also has to be an overall shortage of water in the area in the f...
http://wiki.answers.com/Q/What_causes_desertification
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Describes the prolems that desertification causes to humans, how it's monitored, and how we can fix it. ... This degradation of formerly productive land-- desertification--is a complex process. It involves multiple causes, and it proceeds at varying rates in different climates. Desertification may intensify a general...
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pubs.usgs.gov/gip/deserts/desertification/
pubs.usgs.gov/gip/deserts/desertification/
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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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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 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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