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Look up:
desertification
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desertification
The progressive destruction or degradation of vegetative cover especially in arid or semiarid regions bordering existing deserts. Overgrazing of rangelands, large-scale cutting of forests and woodlands, drought, and burning of extensive areas all serve to destroy or degrade the land cover. The clima...
Found op http://cdiac.ornl.gov/glossary.html
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Desertification
Instances of intense land degradation resulting in desert-like conditions over large areas.
Found op http://www.encyclo.co.uk/local/20212
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Desertification
The transformation of arid and semi-arid land into desert, generally due to overgrazing, deforestation, poor irrigation and tilling practices,
Found op http://www.greenconstruction.co.uk/glossary/D.html
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Desertification
Desertification means the degradation of land in dry areas of the world. It is not the spread of existing deserts, but rather the loss and destruction of healthy fertile soils. Loss of topsoil and soil fertility results in declining production of crops and livestock. Overall the problem is caused by...
Found op http://www.encyclo.co.uk/visitor-contributions.php
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Desertification
is the ultimate stage in the process of unnatural land degradation, when the fertility of the its soil has been completely and irreversibly destroyed
Found op http://www.epaw.co.uk/EPT/glossary.html
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desertification
noun the gradual transformation of habitable land into desert; is usually caused by climate change or by destructive use of the land; `the dust storms in Korea are the result of rapid desertification in China`
Found op http://wordnetweb.princeton.edu/perl/webwn?s=desertification
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desertification
spread or encroachment of a desert environment into arid or semiarid regions, caused by climatic changes, human influence, or both. Climatic factors ... [5 related articles]
Found op http://www.britannica.com/eb/a-z/d/35
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Desertification
The progressive destruction or degradation of existing vegetative cover to form desert. This can occur due to overgrazing, deforestation, drought, and the burning of extensive areas. Once formed, deserts can only support a sparse range of vegetation. Climatic effects associated with this phenomenon ...
Found op http://www.encyclo.co.uk/visitor-contributions.php
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Desertification
Desertification is the degradation of land in any dryland. It is caused by a variety of factors, such as climate change and human activities, desertification is one of the most significant global environmental problems. ==Definitions== Considerable controversy exists over the proper definition of t...
Found op http://en.wikipedia.org/wiki/Desertification
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Desertification
Conversion of marginal rangeland or cropland to a more desert like land type. Desertification can be caused by overgrazing, soil erosion, prolonged drought, or climate change.
Found op http://www.physicalgeography.net/physgeoglos/d.html
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desertification
A process by which land becomes increasingly unproductive and barren.
Found op http://www.encyclo.co.uk/visitor-contributions.php
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desertification
Land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climatic variations and human activities. Further, the United Nations Convention to Combat Desertification (UNCCD) defines land degradation as a reduction or loss in arid, semi-arid and dry sub-humi...
Found op http://www.daviddarling.info/encyclopedia/D/AE_desertification.html
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desertification
Spread of deserts by changes in climate, or by human-aided processes. Desertification can sometimes be reversed by special planting (marram grass, trees) and by the use of water-absorbent plastic grains, which, added to the soil, enable crops to be grown. About 30% of land worldwide is affected by d...
Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0024051.html
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Desertification
Land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climatic variations and human activities.
Found op http://www.nyo.unep.org/action/ap1.htm
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desertification
the degradation of land in arid, semi arid and dry sub-humid areas resulting from various climatic variations, but primarily from human activities.
Found op http://en.wikipedia.org/wiki/Glossary_of_environmental_science
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desertification
1) Geologic process 2) Geological process
Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/desertification/1
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