Tuesday, September 15, 2009

Human hand in land erosion at par with glaciers

A new study published in Nature magazine's online journal Geoscience finds that large-scale farming projects can erode the Earth's surface at rates comparable to those of the world's largest rivers and glaciers.Researchers found large-scale farming eroded lowland agricultural fields at rates comparable to glaciers and rivers in the most tectonically active mountain belts.

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