Application Experiment of Soil Bioengineering in River Ecological Restoration in Beijing
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S157.2

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    Abstract:

    A bare river bank was selected at the Huaijiu River,Beijing,in order tO investigate and disseminate the positive effects of soil bioengineering techniques and options to establish riparian vegetation at local con- ditions.For the moment,the river bank is marked by diverse types of soil erosion such as contained splash e- rosion,soil surface erosion,gully erosion and seepage erosion.Three soil bioengineering measures as live cuttings,fascine and brush mattress were took to protect the river bank.The plant performance and slope stability were investigated after 4,8 month.The results show that:exist Salix X aureo-pendula is grows well under different soil bioengineering techniques.For such reasons like absence of water and superabun- dance soil covered,Salix X aureo-pendula survival rates varied considerably between the differently structure- d river bank zones the live stake has the deepen root system and has a good effect for stabilize the slope.A- long with the riverbank being reinforced,the habitats of the riparian zone are under self-improvement and plants have been in rapid restoration.The paper also summed up the notice during the construction and man- agement.The results will give some soil bioengineering techniques and theory basement to the river ecologi- cal restoration in Beijing.

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