导致沙漠化的主要因素有四个:过度种植、过度放牧、过度砍伐、过度灌溉。
Four specific activities have been identified as major contributors to the desertification processes: overcultivation, overgrazing, firewood gathering, and overirrigation.
起到稳定作用的自然植被不断减少,随后土壤受风雨的侵蚀加速,就成为了沙漠化的主要成因。
Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.
他还强调说,由于全球气候变暖导致的干旱也有可能加快土地沙漠化的速度。
He also warned that global warming could exacerbate the problem by causing drought.
The area around the Sea is basically semi-desert.
死海周边地区实际上是半沙漠化的。
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