Examines the effects of marginal land and deforestation on soil erosion.
# 66396 | 1,322 words | 4 sources | MLA | 2006 |
Published on Jun 10, 2006 in Biology (Biotechnology) , Agricultural Studies (Biotechnology) , Agricultural Studies (Soil Science) , Environmental Studies (Environmental Problems)
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Never before in the history of mankind have we faced an environmental dilemma with the worldwide effects of soil erosion. The problem is so severe, that many experts fear the land will not be able to produce enough food to feed the world's population in the next century. The paper discusses the problem as two fold - marginal land and deforestation. Much of the world's land is marginal sandy desert and sub-desert. In order to feed and house their growing populations many countries in South America, Asia, and Africa clear the world's forests to create more grazing land. The paper shows that, although much of this land has rich soil, the effect of deforestation is an increase in soil erosion. Once the trees are removed, the soil erodes and soon becomes marginal. Combined this with the problem of acid rain, other forms of pollution, and over population, and it is obvious we are entering a time of intense food scarcity.
From the Paper:"In order to preserve life for future generations, we must preserve the soil. Conservation and research are the keys to the future. Conservation and improving soil quality will prevent food shortages in the future. The quality of food today has decreased to dangerously low levels. In spite of increased knowledge about nutrition and advancements in medicine, people today are not as healthy as previous generations. We suffer from nutrient deficiencies related to the poor quality of soil."
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