Figure 1
Potential carbon dioxide absorption on grasslands, shrubs, and rainfed rice fields on dry land in the Aceh Besar District
| No. | Land Utility Type | CO2 absorption potential | Area | Total CO2 absorption |
|---|---|---|---|---|
| (ton.ha−1) | (ha) | (Gg/LUT) | ||
| 1. | Grassland | 109.03 | 80.50 | 8,876.14 |
| 2. | Shrubs | 176.92 | 96,962.2 | 17,154.55 |
| 3. | Rainfed Rice Fields | 34.44 | 4,478.57 | 154.44 |
Biomass carbon and total carbon potential of grasslands, shrubs and rainfed rice fields on dry land in the Aceh Besar District
| No. | Land Utility Type | Carbon Potential | Area | Total Carbon |
|---|---|---|---|---|
| (ton.ha−1) | (ha) | (Gg/LUT) | ||
| 1. | Grassland | 15.1571 | 80.50 | 1.22 |
| 2. | Shrubs | 24.50 | 96,962.2 | 2,375.37 |
| 3. | Rainfed Rice Field | 4.79 | 4,487.57 | 21.43 |
Potential and total biomass of grasslands, shrubs, and rainfed rice fields on dry land in the Aceh Besar District
| No. | Land Utility Type | Potential Biomass | Area | Total Biomass |
|---|---|---|---|---|
| (ton ha−1) | (ha) | (Gg/LUT) | ||
| 1. | Grassland | 29.71 | 80.50 | 2.39 |
| 2. | Shrubs | 48.21 | 96,962.2 | 4,674.39 |
| 3. | Rainfed Rice Field | 9.38 | 4,487.57 | 42.02 |
Estimation of tree biomass using allometric equations
| No. | Type/group of trees | Estimated Tree Biomass (kg/tree) | Reference source |
|---|---|---|---|
| 1 | Branched tree | BK = 0.11* ρ * D2.62 | Ketterings (2001) |
| 2 | Unbranched tree | BK = π*ρ* H * D2/40 | Hairiah et al. (1999) |
| 3 | Pruned coffee tree | BK = 0.281 * D2.06 | Arifin (2001) |
| 4 | Banana | BK = 0.030 * D2.13 | Arifin (2001) |
| 5 | Bamboo | BK = 0.131 * D2.28 | Priyadarsini (1999) |
| 6 | Chinese Albizia | BK = 0.0272 * D2.831 | Sugiharto (2002) |
| 7 | Pine | BK = 0.0417 * D2.6576 | Waterloo (1995) |