Table 4 Linear relationship between simulated and observed carbon stocks. Simulated value = a × Observed value (a = coefficient of slope). All P values of slopes in the regression models were significant (a ≠ 0). RMSE Root mean square error
Pool | All sample plots | ||
|---|---|---|---|
Slope | r 2 | RMSE (Mg C ha-1) | |
Biomass | |||
Stem | 1.00 | 1.00 | 0 |
Branch | 0.90 | 0.93 | 2.94 |
Foliage | 1.03 | 0.94 | 1.08 |
Roots | 0.94 | 0.95 | 3.52 |
Dead organic matter | |||
O horizon | 1.07 | 0.52 | 11.84 |
Mineral soil | 1.02 | 0.77 | 68.74 |
Aboveground dead wood | 4.26* | 0.25 | 10.54 |