Table 1 Parameters defining the Quadratic and Olson models for All Eucalypt Forests and Representative Forests for all data and data satisfying t < 40

From: Re-evaluation of quadratic and exponential models of litter accumulation incorporating climatic and species-specific dependence

Species

Quadratic Parameters

Olson Parameters

R2 Quadratic

R2 Olson

R2 1

All eucalypt forests

\({p}_{1}=-0.13\)

\({X}_{{ss}}=2208.67\)

\(0.247\)

\(0.260\)

\(0.232\)

\({p}_{2}=36.35\)

\(k=0.043\)

\({p}_{3}=680.57\)

\({X}_{0}=549.64\)

All eucalypt forests (\(t\, < \,40\))

\({p}_{1}=-1.28\)

\({X}_{{ss}}=1786.49\)

\(0.251\)

\(0.251\)

\(-0.096\)

\({p}_{2}=77.25\)

\(k=0.078\)

\({p}_{3}=523.33\)

\({X}_{0}=486.17\)

Representative forests

\({p}_{1}=-0.64\)

\({X}_{{ss}}=2793.94\)

\(0.363\)

\(0.368\)

\(0.292\)

\({p}_{2}=76.81\)

\(k=0.048\)

\({p}_{3}=625.24\)

\({X}_{0}=550.43\)

Representative forests (\(t\, < \,40\))

\({p}_{1}=-1.48\)

\({X}_{{ss}}=2601.41\)

\(0.346\)

\(0.347\)

\(0.280\)

\({p}_{2}=99.84\)

\(k=0.056\)

\({p}_{3}=559.30\)

\({X}_{0}=534.23\)

  1. The corresponding R2 values are also shown along with the R2 values obtained from using the quadratic components (Eq. 2) of the models defined by the parameters in ref. 1, Table 2.