| A PRIMARY STUDY ON IONIC MATERIAL MOVEMENT WITH DIFFERENT VEGETATION─With an Example of Niujiatong Small Catchment,Guangdong Province |
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| 作者姓名： | YOU Lianyuan Professor Institute of Geography Chinese Academy of Sciences Building Datun Road Beijing China JIANG Lingse Engineer Experimental Station of Water and Soil Conservation of Wuhua County Huachen Wuhua County Gua |
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| 作者单位： | YOU Lianyuan Professor，Institute of Geography，Chinese Academy of Sciences，Building 917，Datun Road，Beijing，100101，China JIANG Lingse Engineer，Experimental Station of Water and Soil Conservation of Wuhua County，Huachen，514471，Wuhua County，Gua |
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| 基金项目： | National Natural Science Foundation of China |
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| 摘 要： | MovementofsoilnutrientsappearedwithionicconditionSymbolizesecologicconditionOfaregionandrelatescloselytosoilerosionandtransportthere.ItisoneoltheimpoftalltelementsingeoecoSystem.TheymayeitherbedissolvedbywateranddischargedOutwithitorabsolbedbysacmentgrainandmovedoutwiththem.Thusitcanbeenseenthattheyshouldrelatetoraillfallandrunoff.InSOothChinachacterizedbyrichprecipitationandrunoff,backweather-layerOftheearthsurfaceaswell,thereisveryseriouslossofionicmaterial,andconsequently,declineinecoSy…
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