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Unformatted text preview: and Biosphere • Disruption of chemical cycles – Depletion of soil nutrients in one area, and excess in another • Food crops – Addition of new toxins to an area • Agricultural effects on nutrient cycling – An area is cleared for farming, and nutrients exist in the soil – The crop is grown, but the nutrients the crop took from the soil is transported elsewhere – Nutrients must be added back to the soil...
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This note was uploaded on 01/30/2011 for the course BIOL 001 taught by Professor Nathan during the Spring '10 term at George Mason.
- Spring '10