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建立人际资源圈Future_of_the_Great_Plains
2013-11-13 来源: 类别: 更多范文
Future of the Great Plains
The Future of the Great Plains
The Great Plains consists of miles and miles of sloping hills, a few trees, shrubs, and short grasses. Not very many trees inhabit these lands but far more today than 50 years ago. As time has passed, the land has become more and more vulnerable to erosion and desertification. These transformations have been caused by over-grazing and droughts. If these problems are not addressed, the Great Plains may one day, more or less than a century or two from now, be another Sahara Desert. The most effective approach to maintaining wildlife within agricultural ecosystems over the long term requires conservation plans to be systematic with agricultural production (Allen, Cade, Vandever 2001). In order to have a land that will be beautiful in the years to come, some changes need to be made by the people who live on them.
Agriculture and rangeland practices are the main causes of erosion and desertification. Some effects of agriculture and rangeland practices on the environment are, but not limited too, the over-grazing of pastures by large and small animals which will then, in turn, cause the land they graze to begin the
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