Items

Regression equation

R2

MWD and distribution of WSAs

MWD = 0.061WSA>5mm + 0.043WSA1-2mm + 0.472

0.87*

MWD and SOC concentrations in WSAs

MWD = 1.697SOCWSA2-5mm ? 1.557SOCWSA<0.25mm + 1.599SOCWSA0.25-0.5mm ? 1.297SOCWSA>5mm + 1.006

0.85*

MWD and TN concentrations in WSAs

MWD = 27.603TNWSA<0.25mm ? 17.577TNWSA>5mm + 1.33

0.60*

MWD and TP concentrations in WSAs

MWD = 10.81TPWSA0.5-1mm ? 15.321TPWSA<0.25mm + 4.15

−0.76*

SOC concentrations in bulk soil and WSAs

SOC = 0.17SOCWSA2-5mm + 0.534SOCWSA0.25-0.5mm + 0.43SOCWSA<0.25mm − 0.035

0.98**

TN concentrations in bulk soil and WSAs

TN = 0.25TNWSA>5mm + 0.421TNWSA1-2mm + 0.443TNWSA<0.25mm − 0.027

0.98**

TP concentrations in bulk soil and WSAs

TP = 0.453TPWSA2-5mm + 0.277

0.60*