Study on Artificial Vegetation Modes Planted and Fast Construction of Yan'er Valley

According to the laws of zone distribution of vegetation and community succession and soil moisture dynamics of forest lands. Nature vegetation and the laws of community succession on Yan'er valley were studied. Results show that shrub or grasses mixed with low density of trees or constitution of them are respectively main types of artificial vegetation. Eight mixture types of trees, shrubs and herb plants were planted for demonstration mode in the area. Survive rates of them were over 90% by anti drought forestation.