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一我国是世界上沙漠面积大,受沙漠化危害严重的国家之一。从五十年代到七十年代,我国沙漠化土地平均以每年1560平方公里的速度扩大。进入八十年代,沙漠化土地扩大的速度猛增到平均每年2100平方公里。目前,沙漠和沙化土地总面积已超过全国耕地面积的总和,达到153.3万平方公里.这其中,98％以上分布在内蒙古、新疆、宁夏、青海、甘肃等少数民族地区。“死亡之海”、“生命禁区”、“蛮荒之地”等大大小小的沙漠,时时
Our country is one of the countries in the world where the desert area is large and seriously harmed by desertification. From the 1950s to the 1970s, the average desertification land in our country expanded at an annual rate of 1,560 square kilometers. Into the eighties, the rate of expansion of desertification soared to an average of 2,100 square kilometers per year. At present, the total area of deserted and desertified land has exceeded the sum of the country’s arable land, reaching 1,533,000 square kilometers, of which over 98% are distributed in ethnic minorities in Inner Mongolia, Xinjiang, Ningxia, Qinghai and Gansu. “The sea of death,” “life restricted area”, “wild land” and other large and small desert, from time to time