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沂水县地处沂蒙山区中东部,北靠沂山,西南接蒙山,位于沂河上游,是沭河的发源地。总面积2070平方公里,水土流失面积为1720平方公里,占总面积的83％。产生水土流失的因素,一个是自然因素,另一个是社会历史人为的因素。但导致水土流失的主要因素是人类违反自然规律的活动。据县志记载:“凡蒙之山,大都不毛,少有可耕之土,又
Yishui County is located in Yimeng Mountain in the east, north Yishan, southwest Mengshan, located in the upper reaches of the Yi River, is the birthplace of Shuhe. The total area of 2070 square kilometers, soil erosion area of 1720 square kilometers, 83% of the total area. Soil and water loss factors, one is a natural factor, the other is a social and historical artifacts. However, the main factor leading to water and soil erosion is the human activities that violate the laws of nature. According to the county records: "Where Mongolia mountain, most hairless, little arable land, and again