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为搞清山区水土流失现状,研究开展水土保持与发展山区生产的关系,省科协根据专家建议,组织了农业、林业、水利、地理、植物等学会的科技人员,于1981年4月13—27日对蒙阴县做了重点考察,取得了大量第一手资料。一、基本情况蒙阴县位于蒙山之北,总面积1,580平方公里(237万亩),43.37万余人,平均人口密度每平方公里275人。耕地54万亩,占总面积22.7%,其中山地21万亩,丘岭地28万亩,山间平原5万亩,每人平均耕地1.25亩,山滩3亩。
In order to find out the status quo of soil and water loss in mountainous areas and to study the relationship between soil and water conservation and the development of mountainous areas, the Provincial Association of Science and Technology organized scientific and technological personnel of the institutes of agriculture, forestry, water conservancy, geography and plants according to the suggestions of experts. On the 27th made a key inspection of Mengyin County, has made a large number of first-hand information. First, the basic situation Mengyin County is located north of Mengshan, a total area of 1,580 square kilometers (237 mu), 43.37 million people, the average population density of 275 people per square kilometer. 540000 acres of arable land, accounting for 22.7% of the total area, of which 210000 acres of mountains, Qiu Ling to 280000 acres, 50000 acres of mountain plains, 1.25 acres of arable land per capita, 3 acres of beach.