【Key words】 GIS; revised universal socil loss equation; soil erosion; soil conservation amount; prevention strength prediction
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In terms of being favorable to soil and water conservation, we confirm the rainfall, vegetation cover degree , thickness of litter and the amount of soil erosion as monitoring projects.
从有利于水土保持的角度，把降雨量、植被覆盖度、枯落物厚度和土壤流失量等作为水土流失监测项目；
While the program of water and soil conservation is drawn up, the prediction of the amount of soil erosion is needed.
在编制公路工程水土保持方案时，需要对水土流失量进行预测。
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