Table 3

Relationship between the rates of nutrient loss (y) and sediment rate (x) under different treatments

Different treatments
Loss rate of sediment-associated TN (y)
Loss rate of sediment-associated TP (y)
Rainfall intensity (mm·h−1)Rock fragment cover (%)EquationR2EquationR2
30 y = 0.12x + 0.045 0.772** y = 0.47x + 0.16 0.885**
10 y = 0.15x + 0.042 0.882** y = 0.49x + 0.083 0.975**
20 y = 0.14x + 0.0029 0.698* y = 0.35x + 0.10 0.631*
30 y = 0.10x + 0.014 0.183 y = 0.44x + 0.043 0.736**
Total y = 0.16x − 0.0038 0.904** y = 0.55x − 0.0083 0.964**
60 y = 0.23x + 0.063 0.805** y = 0.36x + 0.74 0.740*
10 y = 0.10x + 0.34 0.419* y = 0.52x + 0.067 0.858**
20 y = 0.070x + 0.34 0.055 y = 0.58x + 0.037 0.683*
30 y = 0.10x + 0.22 0.280 y = 0.38x + 0.23 0.761*
Total y = 0.24x − 0.0083 0.790* y = 0.49x + 0.16 0.839**
90 y = 0.17x + 0.47 0.853** y = 0.55x + 0.66 0.994**
10 y = 0.21x − 0.33 0.961** y = 0.51x + 0.14 0.994**
20 y = 0.20x − 0.23 0.953** y = 0.50x + 0.15 0.995**
30 y = 0.17x + 0.18 0.883** y = 0.57x + 0.23 0.991**
Total y = 0.19x + 0.0043 0.887** y = 0.30x + 0.54 0.976**
Different treatments
Loss rate of sediment-associated TN (y)
Loss rate of sediment-associated TP (y)
Rainfall intensity (mm·h−1)Rock fragment cover (%)EquationR2EquationR2
30 y = 0.12x + 0.045 0.772** y = 0.47x + 0.16 0.885**
10 y = 0.15x + 0.042 0.882** y = 0.49x + 0.083 0.975**
20 y = 0.14x + 0.0029 0.698* y = 0.35x + 0.10 0.631*
30 y = 0.10x + 0.014 0.183 y = 0.44x + 0.043 0.736**
Total y = 0.16x − 0.0038 0.904** y = 0.55x − 0.0083 0.964**
60 y = 0.23x + 0.063 0.805** y = 0.36x + 0.74 0.740*
10 y = 0.10x + 0.34 0.419* y = 0.52x + 0.067 0.858**
20 y = 0.070x + 0.34 0.055 y = 0.58x + 0.037 0.683*
30 y = 0.10x + 0.22 0.280 y = 0.38x + 0.23 0.761*
Total y = 0.24x − 0.0083 0.790* y = 0.49x + 0.16 0.839**
90 y = 0.17x + 0.47 0.853** y = 0.55x + 0.66 0.994**
10 y = 0.21x − 0.33 0.961** y = 0.51x + 0.14 0.994**
20 y = 0.20x − 0.23 0.953** y = 0.50x + 0.15 0.995**
30 y = 0.17x + 0.18 0.883** y = 0.57x + 0.23 0.991**
Total y = 0.19x + 0.0043 0.887** y = 0.30x + 0.54 0.976**

*p < 0.05, **p < 0.01.

Total nitrogen (TN); Total phosphorus (TP).

Close Modal