Soil erosion may well be the world's most serious environmental problem. A variety of human activities accelerates the rate of this geomorphie process by altering the natural characteristics of a site. The problems arising from accelerated erosion and subsequent deposition provide numerous research opportunities to both physical and social scientists whose cooperation will be necessary in our search for solutions. Factors of demography, economics, geography, and historical inertia to change suggest that man-induced erosion is likely to continue into the future unless this trend is abated by timely and forceful action.

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