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Table 1

Summary of characteristics of the selected soil erosion observation transects along the Yangtze mainstream and the Ruxi tributary

StretchNo.Soil typePrevious land useVegetationSlope morphologySlope gradient
Yangtze mainstream SM1 Purple soil Dry land Natural meadow, coverage: 45% Slope + terrace 5°–20° 
SM2 Purple soil Dry land Natural meadow, coverage: 55% Slope + terrace 2°–15° 
SM3 Purple soil Dry land Crop, natural meadow, coverage: 60% Slope + terrace 2°–10° 
SM4 Purple soil Grassland, dry land Natural meadow, coverage: 45% Slope + terrace 10°–20° 
SM5 Purple soil Grassland, dry land Natural meadow, coverage: 45% Slope + terrace 5°–30° 
SM6 Purple soil Grassland, dry land Natural meadow, coverage: 45% Slope + terrace 20°–30° 
SM7 Purple soil Grassland, dry land Natural meadow, coverage: 60% Slope + terrace 10°–22° 
SM8 Purple soil Dry land Crop, natural meadow, coverage: 50% Slope + terrace 2°–25° 
SM9 Purple soil Bare land No vegetation Slope 20°–38° 
Ruxi tributary ST1 Purple soil Dry land, grassland Natural meadow, coverage: 55% Slope + terrace 2°–20° 
ST2 Purple soil Dry land, grassland Natural meadow, coverage: 50% Slope + terrace 5°–22° 
ST3 Purple soil Dry land, grassland Natural meadow, coverage: 60% Slope + terrace 2°–15° 
StretchNo.Soil typePrevious land useVegetationSlope morphologySlope gradient
Yangtze mainstream SM1 Purple soil Dry land Natural meadow, coverage: 45% Slope + terrace 5°–20° 
SM2 Purple soil Dry land Natural meadow, coverage: 55% Slope + terrace 2°–15° 
SM3 Purple soil Dry land Crop, natural meadow, coverage: 60% Slope + terrace 2°–10° 
SM4 Purple soil Grassland, dry land Natural meadow, coverage: 45% Slope + terrace 10°–20° 
SM5 Purple soil Grassland, dry land Natural meadow, coverage: 45% Slope + terrace 5°–30° 
SM6 Purple soil Grassland, dry land Natural meadow, coverage: 45% Slope + terrace 20°–30° 
SM7 Purple soil Grassland, dry land Natural meadow, coverage: 60% Slope + terrace 10°–22° 
SM8 Purple soil Dry land Crop, natural meadow, coverage: 50% Slope + terrace 2°–25° 
SM9 Purple soil Bare land No vegetation Slope 20°–38° 
Ruxi tributary ST1 Purple soil Dry land, grassland Natural meadow, coverage: 55% Slope + terrace 2°–20° 
ST2 Purple soil Dry land, grassland Natural meadow, coverage: 50% Slope + terrace 5°–22° 
ST3 Purple soil Dry land, grassland Natural meadow, coverage: 60% Slope + terrace 2°–15° 
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