... vanishing species 物种消失 cause sand storm 引起沙尘暴 reduce flood storage capacity 蓄洪能力减弱 ...
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Caption: Mali, 2001. Women caught in a sand storm. Dust storms cause soil loss - in particular the loss of the nutrient-rich lightest particles - reducing agricultural productivity.
描述：2001年，马里，一群妇女遭遇了沙尘暴。沙尘暴造成土壤流失，特别是富含养分的最轻微粒的流失，降低了农业生产力。
Many academicians regard that the cause of formation of sand-dust storm mainly is the vegetation in hungriness is destroyed.
关于沙尘暴的成因，学界大多认为其是近期以来 人为破坏荒漠植被的 结果。
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