Table 1. Summary (mean ± SE) of aboveground biomass carbon (Mg C ha−1) distribution in our study sites on Leyte Island, the Philippines.
| Parameter | Fallow category | Old-growth forest | |||
|---|---|---|---|---|---|
| ≤5 year | 6–10 year | 11–20 year | 21–30 year | ||
| LWBC | 33.42 (±55.25) | 74.18 (±54.15) | 111.81 (±74.65) | 120.02 (±52.05) | 316.96 (±130.63)* |
| Pioneer | 4.09 (±5.31) | 37.30 (±43.85) | 29.32 (±20.78) | 24.57 (±6.54) | 87.58 (±45.63) |
| Secondary | 6.75 (±7.97) | 20.13 (±6.28) | 33.65 (±22.4) | 45.03 (±18.78) | 74.31 (±36.66) |
| Climax | 22.57 (±49.0) | 16.75 (±12.27) | 48.85 (±55.56) | 50.42 (±35.68) | 155.07 (±84.03)* |
| Native | 17.63 (±23.35) | 60.32 (±42.23) | 78.17 (±52.47) | 75.79 (±33.68) | 256.14 (±108.27)* |
| Endemic | 15.43 (±32.71) | 14.50 (±12.03) | 33.24 (±28.13) | 41.66 (±30.67) | 60.83 (±31.7) |
| Exotic | 0.35 (±0.79) | 0 | 0.4 (±0.61) | 2.57 (±5.14) | 0 |
| OLBC | 0.09 (±0.17) | 1.45 (±1.34) | 0.40 (±0.27) | 0.34 (±0.37) | 0.21 (±0.30) |
| Tree fern | 0.08 (±0.17) | 1.41 (±1.33) | 0.32 (±0.31) | 0.23 (±0.25) | 0.21 (±0.30) |
| Abaca | 0.01 (±0.02) | 0.04 (±0.05) | 0.08 (±0.06) | 0.11 (±0.14) | 0 |
| CDWBC | 126.65 (±22.58)* | 25.26 (±25.0) | 9.95 (±4.97) | 11.87 (±12.57) | 3.91 (±1.17) |
| Standing | 108.28 (±19.46)* | 18.21 (±24.74) | 2.53 (±1.07) | 4.47 (±5.74) | 0.31 (±0.25) |
| Downed | 18.37 (±11.70) | 7.05 (±5.68) | 7.42 (±5.49) | 7.40 (±7.33) | 3.60 (±1.07) |
| Freshly cut | 115.29 (±22.2)* | 2.06 (±2.77) | 0.27 (±0.28) | 1.13 (±1.85) | 0 |
| Moderately degraded | 7.85 (±7.69) | 17.20 (±25.39) | 4.69 (±3.68) | 6.72 (±8.45) | 0.3 (±0.21) |
| Highly degraded | 3.04 (±3.56) | 5.93 (±4.47) | 4.97 (±3.76) | 4.0 (±4.5) | 3.57 (±1.23) |
| Burnt | 0.47 (±1.01) | 0.08 (±0.13) | 0.02 (±0.05) | 0.01 (±0.02) | 0.04 (±0.09) |
| UBC | 0.08 (±0.06) | 0.10 (±0.03) | 0.12 (±0.04) | 0.15 (±0.08) | 0.11 (±0.04) |
| LBC | 0.07 (±0.04) | 0.09 (±0.03) | 0.13 (±0.09) | 0.17 (±0.10) | 0.10 (±0.02) |
| AGTBC | 160.3 (±55.86) | 101.09 (±55.98) | 122.41 (±74.95) | 132.54 (±57.07) | 321.29±130.96)* |
Where, LWBC = living woody biomass carbon, OLBC = other living biomass carbon, CDWBC = coarse dead wood biomass carbon, UBC = undergrowth biomass carbon, LBC = litter biomass carbon, AGTBC = aboveground total biomass carbon. *Values are significantly different at p < 0.01 level.