soil erosion
Definition
Removal of topsoil faster than the soil forming processes can replace it, due to natural, animal, and human activity (over grazing, over cultivation, forest clearing, mechanized farming, etc.). Soil erosion results in land infertility and leads to desertification and devastating flooding. It is estimated that 20 percent of the world's topsoil was lost during 1950-1990, and its loss is continuing at a faster rate.
soil erosion is in the Environment & Pollution Control subject.
soil erosion appears in the definition of the following term: geographic information system (GIS)
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