Overgrazing can reduce ground cover, enabling erosion and compaction of the land by wind and rain.. This reduces the ability for plants to grow and water to penetrate, which harms soil microbes and results in serious erosion of the land.
Over-cultivation can permanently damage the productivity and fertility of the land. This can result in desertification, which brings its own set of problems (drought conditions being the most prominent).
Furthermore, when farmland becomes infertile, farmers are pressured to expand and convert the surrounding forests into agricultural land to supply enough food. The resulting deforestation causes soil erosion, soil fertility reduction, and larger-scale issues, like accelerated global warming and famine.
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Furthermore, when farmland becomes infertile, farmers are pressured to expand and convert the surrounding forests into agricultural land to supply enough food. The resulting deforestation causes soil erosion, soil fertility reduction, and larger-scale issues, like accelerated global warming and famine.