how does the deforestation cause soil erosion ??
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Further effects of deforestation include soil erosion and coastal flooding. Trees help the land to retain water and topsoil, which provides the rich nutrients to sustain additional forest life. Without forests, the soil erodes and washes away, causing farmers to move on and perpetuate the cycle.
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When a forest is cut down, nothing is left to protect the soil. ... Rain quickly washes away what healthy soil was there, and compacts the rest. A compacted soil absorbs much less water, making it run off more quickly. No spongy soil, nor plant roots to absorb the water mean that rain forms gullies and washouts
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