| Database on artificial forests in the tropics | ||||||
| ID: South Sumatra-1 | ||||||
| 1. General information | ||||||
| Date of the investigation (yy/mm) |
: | September, 2001 | Plantation area (ha) |
: | 5.0 | |
| Plantation name | : | - | Tree species | : | Acacia mangium | |
| Region | : | South Sumatra | Family/Genus | : | Leguminosae - Acacia | |
| Altitude (m, asl) | : | 90 | Diameter at
breast height Maximum (cm) |
: | 27.2 | |
| Latitude | : | - | Diameter at
breast height Minimum (cm) |
: | 11.5 | |
| Longitude | : | - | Diameter at
breast height Average (cm) |
: | 19.5 | |
| Planted year and month (yy/mm) |
: | September, 1995 | Tree
height Maximum (m) |
: | - | |
| Planted spacing (m × m) |
: | 2.5 × 4 | Tree
height Minimum (m) |
: | - | |
| Survaival rate of planted trees (%) |
: | 82 | Tree
height Average (m) |
: | - | |
| 2. Site characteristics information | ||||||
| Land tenure | : | - | Expenditure (per ha) |
: | - | |
| Monthly temperature of the site (°C) |
: | - | Land preparation | : | - | |
| Monthly rainfall of the site (mm) |
: | - | Planting stock cost | : | - | |
| Dry season | : | - | Maintenance
cost (per ha per six months) |
: | - | |
| Slope | : | - | Potential area
for planting (ha) |
: | - | |
| Soil type | : | - | Damages | : | - | |
| Soil texture | : | - | Remarks | : | - | |
| Soil pH | : | 4.5 - 5.0 | ||||
| Soil depth | : | - | Vegetation and land utilization before planting | : | Grassland | |
| Water level | : | - | ||||
| 3. Seedling information | ||||||
| Seedling | : | Seedling | Size of planting hole (cm) | : | 20 × 20 × 20 | |
| Provenance | : | PNG | Fertilization | : | - | |
| Potted | : | Potted | Weeding | : | One time aftet planting | |
| Stock period | : | Two months | Supplement planting | : | One time (one month later) after planting | |
| Pot type/size | : | Pollybag (diameter: 4 cm, height: 10 cm) |
Thining | : | - | |
| Forest crown type | : | Monoculture | Prevention | : | - | |
| Forest floor vegetation | : | - | ||||
| 4. Biomass information | ||||||
| BA (m2 ha-1) | : | 25.5 | Stem volume (m3 ha-1) | : | ||
| Age (year) | : | 6 | With bark | : | 246.7 | |
| Actual density (trees ha-1) | : | 822 | Without bark | : | 209.7 | |
| Biomass (Mg ha-1) | : | 163.7 | ||||
| Stem | : | 91.4 | ||||
| Bark | : | 15.0 | ||||
| Branch | : | 29.4 | ||||
| Leaf | : | 6.3 | ||||
| Root | : | 21.6 | ||||
| Above ground | : | 142.2 | ||||