Table 1.
Year | Change over 1980–2005 | |||||||
Forest type | Item | 1980 | 1985 | 1990 | 1995 | 2000 | 2005 | |
C. japonica | Area, 106 ha | 4.27 | 4.44 | 4.51 | 4.49 | 4.43 | 4.37 | 0.1 |
Total biomass, Tg C | 179.1 | 228.3 | 265.7 | 300.5 | 355.5 | 391.5 | 212.4 | |
Biomass density, Mg C⋅ha−1 | 42 | 51.4 | 59 | 67 | 80.3 | 89.5 | 47.5 | |
C. obtusa | Area, 106 ha | 2.04 | 2.29 | 2.42 | 2.49 | 2.51 | 2.51 | 0.47 |
Total biomass, Tg C | 81.7 | 106.1 | 125.9 | 147.1 | 174.3 | 193.8 | 112.1 | |
Biomass density, Mg C⋅ha−1 | 40.1 | 46.4 | 52 | 59 | 69.5 | 77.2 | 37.1 | |
P. densiflora | Area, 106 ha | 1.18 | 1.08 | 1.02 | 0.97 | 0.89 | 0.86 | −0.08 |
Total biomass, Tg C | 34.4 | 40 | 44.8 | 48.9 | 55.1 | 58.3 | 23.9 | |
Biomass density, Mg C⋅ha−1 | 29.2 | 37.2 | 44 | 50.4 | 62 | 67.6 | 38.3 | |
L. leptolepis | Area, 106 ha | 1.1 | 1.09 | 1.08 | 1.07 | 1.04 | 1.01 | −0.09 |
Total biomass, Tg C | 37.7 | 47.7 | 54 | 60.2 | 67.5 | 70.6 | 32.9 | |
Biomass density, Mg C⋅ha−1 | 34.2 | 43.9 | 50 | 56.4 | 64.9 | 69.9 | 35.7 |