Research Of Ecologic And Clean-type Small Watershed In Plain Area Of Fangshan District

Although plain area is an important area in Beijing, the research of the regional ecological management is in the initial stage, the basic theory of ecologic and clean-type small watershed construction is still in exploration, there are no systematic and comprehensive conclusions up to now.With data collection, field surveys and other methods, analyzed problems about polluted water, garbage, improvement of toilet, ditch and canal and environment in this small watershed, according to the characteristics of the plain area, divided the small watershed into three areas:village and industrial ecological management area, farmland ecological protection area, ditch ecological restoration area. In view of the present situation of water resources, agricultural endowments, tourism development in the small watershed, combined with the regulations of soil and water conservation in Beijing and the rain-water utilization principle of sponge city, to design measures of Pinggezhuang, Zhonggangou clean-type small watershed.The measures such as village afforest, rain water garden, side ditch, tail water reuse project, road reparation, garbage collection are set in village and industrial ecological management area; membrane surface rain collection project and agricultural waste composting are set in farmland ecological protection area; in ditch ecological restoration area, the section of channel are enlarged, the broken revetment are repaired and plants are planted. Through the small watershed construction, reduce the soil and water loss, beautify the village and improve the income of the peasants at the same time.