Leymus chinensis Equation
Total biomass
Total biomass
Total biomass
Total biomass
Total biomass
Total biomass
Total biomass
Total biomass
Aboveground biomass
Aboveground biomass
Aboveground biomass
Aboveground biomass
Aboveground biomass
Aboveground biomass
Aboveground biomass
Aboveground biomass
R2 F Df1 Df2 Sig. Constant b1 b2 R2 F Df1 Df2 Sig. Constant b1 b2
Linear 0.601 33.178 1 22 <0.001 26.031 0.198 0.674 45.522 1 22 <0.001 -0.672 0.177
Quadratic 0.615 16.744 2 21 <0.001 -11.359 0.404 0.675 21.813 2 21 <0.001 -8.788 0.222
Power 0.624 36.437 1 22 <0.001 0.925 0.786 0.655 41.853 1 22 <0.001 0.108 1.071
Exponential 0.587 31.257 1 22 <0.001 43.239 0.002 0.633 37.963 1 22 <0.001 19.925 0.003
Leymus chinensis Equation
Belowground biomass
Belowground biomass
Belowground biomass
Belowground biomass
Belowground biomass
Belowground biomass
Belowground biomass
Belowground biomass
R: S
R: S
R: S
R: S
R: S
R: S
R: S
R: S
R2 F Df1 Df2 Sig. Constant b1 b2 R2 F Df1 Df2 Sig. Constant b1 b2
Linear 0.122 3.060 1 22 0.094 26.704 0.020 0.594 32.240 1 22 <0.001 0.420 0.004
Quadratic 0.277 4.024 2 21 0.033 -2.565 0.182 0.613 16.650 2 21 <0.001 1.307 -0.001
Power 0.206 5.694 1 22 0.026 5.611 0.301 0.545 26.391 1 22 <0.001 0.019 0.769
Exponential 0.150 3.886 1 22 0.061 25.451 0.001 0.582 30.641 1 22 <0.001 0.784 0.002