水土都是人类及一切生物生存繁衍的环境条件。它们在一定的时空条件下都是有限的。且随着开发利用得合理与否而产生优劣变化。 山东省山区人均有土地3.22亩,其中:耕地1.44亩,森林约0.5亩。水资源按降水计,人均有1600立方米,按地表径流计,人均有700立方米,均为全国的1/4。改良利用山区水土资源,提高环境质量,对我省山区更为迫切。本文拟从除害兴利两个方面,对我 Water and soil are the environmental conditions for the survival and reproduction of human beings and all living beings. They are finite under certain conditions of time and space. And with the development and utilization of reasonable or not resulting in changes in advantages and disadvantages. Shandong Province, the average per capita land area of ​​3.22 acres, of which: 1.44 acres of arable land, about 0.5 acres of forest. Water resources by precipitation, per capita 1600 cubic meters, according to surface runoff, per capita 700 cubic meters, all of the country’s 1/4. Improve the use of mountain water and soil resources, improve environmental quality, more urgent for the mountainous areas in our province. This article intends to remove harmful detriment two aspects, to me