【摘要】 河北省秦皇岛市青龙满族自治县是位于燕山山脉东部的山区县 ,耕地只占总面积的 1 0 %。由于地形陡峭、土层很薄 ,夏季又多暴雨 ,再加上清朝末年以来森林植被遭到破坏 ,因此造成比较严重的水土流失 ,南部山区年侵蚀模数曾为 2 5 0 0 t/km2 ,制约了经济发展 ,长期属于贫困县。为此青龙满族自治县政府和群众采取了生物措施和工程措施相结合、调整农牧结构、加强小流域治理等方法 ,在实际中逐步探索出适合当地条件的水土保持的方法 ,明显改善了生态 ,有力的促进了经济发展 ,已于 1 997年脱贫更多还原

【Abstract】 Qinglong of Qinhuangdao city in Hebei province is a mountainous county located at eastern part of Yanshan range.Area of its farmland only make up 10% of total area of the county.For precipitous terrain,very thin soil layer,many rainstorm in summer,and since end of the Qing Dynasty forest and vegetation to be destroyed,relative serious water and soil erosion had been brought about,its erosive modulus reached 2 500 t/(km 2·a) in the south mountainous district.All these limited the economic development so that it was a poor county.According to these,the government and masses of Qinglong county have taken many methods about the combination of biological and engineering measures,adjustment of farming and livestock raising structure,more effective harnessing methods suited to local conditions step by step in the practices which have improved economic growth strongly.The county cast off poverty in 1997.更多还原