An Introduction to soil degradation
 Soil Erosion Site (www.soilerosion.net)
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Soil erosion - Large rills on an eroding hillslope.
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 Brigitta Stillhardt, Berne, Switzerland (Reproduced from WOCAT, www.wocat.net)
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Wind erosion in Eritrea
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 Gudrun Schwilch, Berne, Switzerland (Reproduced from WOCAT, www.wocat.net)
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Sheet and rill erosion in barley field (Ethiopia)
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 Hanspeter Liniger, Berne, Switzerland (Reproduced from WOCAT, www.wocat.org)
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Erosion form overgrazed communal land: gully and sheet. Even with good tree bush cover, erosion is high (Kenya).
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