Friday, February 6, 2009

Major Reasons for deforestation

Cattle ranching

Huge areas of rainforest in Brazil are cut down for cattle ranching, which exhausts the soil within a few years. Ranchers slash and burn rainforests to grow grass pasture for cattle.

Slash and burn

Nomadic farmers slash and burn forests for farmland. After a few years, they move on to allow the soil to regenerate.The initial result of the slash and burn is far from a manicured field. It can take even 3-5 years to get rid of the roots and stumps.

Overgrazing



A shortage of land forces nomadic farmers to stay in one place. The land is overgrazed and the soil dries up.

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