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所屬欄目：綠色空間
所屬頻道：CCTV-10科教
年份：2010
展開全部
簡介：內蒙古阿拉善沙漠面積8萬平方公里，是排名中國第二、世界第四的沙漠。隨著氣候和自然環境的變化，阿拉善等地的荒漠化進程不斷加劇，沙塵暴開始變得頻繁起來，從阿拉善興起的沙塵暴甚至直撲北京。據2000年春氣象部門的統計，北京市發生的九次沙塵暴有八次起源於阿拉善。2004年6月5日，由百位企業家發起的阿拉善SEE生態協會成立，最初動因就是要在阿拉善從事防治荒漠化工作，緩解阿拉善沙塵暴對首都北京的壓力。收起
沙漠的呼喚（上）
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