Through comprehensive investigation and study on the shrub resource.and its exploitation and utilization in Taishan Mountain and Yimen Mou-mtain it is found hat the shrub resource there had been destroyed great-1y because of the human cut in disorder

openning up wasi;ed land and aerious grazing

In the last ten years the forests type and structure is ch-anged fundamentally by the practice of complete forbidden mountain and foresting

and the recovering and protecting of the plant cover under the attention from the governments of various level and the soil and water conservation departments

Using scientific analysing method the biologi-。cal nature and physical characters of the soil in the shrub land are exa-mined based on field investigation

thus pointing the direction and way for the recover and protection

soil and water conservation benefits

the exploitation and utilization of the shrubs in Shandong province.