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Abstract of the Article

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Investigation of plant vegetation density in prevention of effects of flood injury

Authors:
[ Ebrahimi Ghajuti ] - Agricultural and Natural resources research center of East Azarbaijan
[ Razban Haghighi ] -
[ Abdi Ghazijahani ] -

Abstract:

If presence plant vegetation, movement a part of rainfall was stopped by plant vegetation and plant remains. it means speed of rain related of reversed with plant vegetation rate and plant density. Conforming this study, if plant density and plant vegetation were more, flow of rain speed is less, and fewer the flood formation. Plant vegetation modified distribution of rain. If speed of rain was more, holding water is decrease. According to plant vegetation type amount of holding water was difference, for example forest vegetation of compressed toward half compressed vegetation, speed and movement of rain are decrease and cause of influence rain in soil. in slopes of with of few vegetation speed of rain is more and to prevent arrive rain to depth of soil, and probability reveal of flood is increase and destruction of plant vegetation. In this study in forest vegetation for example Fagus orientalis and Carpinus betulus 20% receipt rainfall in intense rainfall is keeping in forest vegetation, in the event that ,rainfall keeping in Acacia aneura 40% of rainfall, hold in vegetation and cause of decrease movement and soil erosion.

Keywords:

density, flood, vegetation