Action anthropique ; Aménagement hydraulique ; Bassin-versant ; Chine ; Corrélation ; Densité de population ; Déboisement ; Erosion des sols ; Indicateurs socio-économiques ; Pente de versant ; Propriétés du sol ; Sichuan ; Taux de sédimentation
Agricultural land use ; China ; Correlation ; Deforestation ; Human impact ; Hydraulic works ; Population density ; Sedimentation rate ; Sichuan ; Slope gradient ; Socio-economic indicators ; Soil erosion ; Soil properties ; Watershed ; Yangtze
Taking Sichuan Province and Chongqing City as an example, this paper studies the relationship between socio-economic factors and sediment yield in the Upper Yangtze River based on section data in 1989 and 2007. The results show that sediment yield