【摘 要】
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宁夏地处西北内陆,南部黄土丘陵区和土石山区水土流失严重,中部干旱荒漠土壤沙化,而在北部引黄灌区,毛乌素、腾格里、乌兰布和沙漠三面合围。每逢干旱少雨季节,肆虐的风沙遮
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宁夏地处西北内陆,南部黄土丘陵区和土石山区水土流失严重,中部干旱荒漠土壤沙化,而在北部引黄灌区,毛乌素、腾格里、乌兰布和沙漠三面合围。每逢干旱少雨季节,肆虐的风沙遮天蔽日。1978年,国务院批准“三北”防护林体系工程,开启了中国向沙漠化全面宣战的新篇章。根据规划,工程建设期从1978年至2050年,历时73年,实施范围涉及西北、华北、东北13个省区市的551个县,其规模之大、持续时间之长被国际舆论誉为
Ningxia is located in the inland of northwestern China. In the loess hilly areas and mountainous areas of southern China, water and soil erosion is serious. The soil in the central arid desert soil is desertified. In the north of the Yellow River irrigated area, Mu Wusu, Tengger, Ulan Buh and desert are surrounded by three sides. Whenever arid and rainy season, raging sand blinding the sun. In 1978, the State Council approved the “Three Norths” shelterbelt project, opening a new chapter in China’s comprehensive declaration of war on desertification. According to the plan, the construction period will be from 1978 to 2050, which lasted for 73 years. The scope of its implementation covers 551 counties in 13 provinces and autonomous regions in the northwest, north China and northeast China. The scale and duration of the project are praised by international media as
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