沙质荒漠化灾害是我国北方农牧交错区最为严重的灾害之一。
Sandy desertification hazard is one of the most devastating hazards in the agro-pastoral region in Northern China.
宁夏中部风沙区的沙质荒漠化在历史时期，尤其是本世纪50年代以来，具有明显扩展的趋势。
There is an obvious developing tendency of sandy desertification in the blowing sand region of middle Ningxia in historical time, especially since 1950's.
甘肃省地处我国西北内陆腹地，由于自然及人为因素的作用，造成省内沙质荒漠化土地广泛分布。
Gansu Province is located in the inner part of Northwest China. Because of natural and man made factors, sandy desertification lands are extensively distributed within the Province.
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