| Database on artificial forests in the tropics | ||||||
| ID: NE Thailand_Acacia mangium-3 | ||||||
| 1. General information | ||||||
| Date of the investigation | : | February, 2002 | Plantation area (ha) |
: | 1.98 | |
| Plantation name | : | NK_03, Nong Khai | Tree species | : | Acacia mangium | |
| Region | : | Bueng Khong Long, Nong Khai | Family/Genus | : | Leguminosae - Acacia | |
| Altitude | : | 177 | Diameter at
breast height Maximum (cm) |
: | 23.9 | |
| Latitude | : | 17o 59' N | Diameter at
breast height Minimum (cm) |
: | 1.3 | |
| Longitude | : | 104o 01' E | Diameter at
breast height Average (cm) |
: | 9.1 | |
| Planted year and month | : | June, 1995 | Tree
height Maximum (m) |
: | 18.90 | |
| Planted spacing (m x m) |
: | 1 x 2 | Tree
height Minimum (m) |
: | 0.70 | |
| Survaival rate of planted trees (%) |
: | 40.50 | Tree
height Average (m) |
: | 12.72 | |
| 2. Site characteristics information | ||||||
| Land tenure | : | Private | Expenditure (per ha) |
: | nda | |
| Monthly temperature of the site (oC) |
: | (average: 26.7) | Land preparation | : | nda | |
| Monthly rainfall of the site (mm) |
: | (annual: 2,093) | Planting stock cost | : | nda | |
| Dry season | : | October - March | Maintenance cost | : | nda | |
| Slope | : | flat | Potential area
for planting (per ha) |
: | 1.98 | |
| Soil type | : | Phon Phisai series : Pp | Damages | : | none | |
| Soil texture | : | Gravelly loam | Remarks | : | - | |
| Soil pH | : | 4.8 | ||||
| Soil depth | : | shallow | Vegetation and land utilization before planting | : | Cassava Land | |
| Water level | : | low | ||||
| 3. Seedling information | ||||||
| Seedling | : | Seedling | Size of planting hole (cm) | : | 20 x 20 x 20 | |
| Provenance | : | nda | Fertilization | : | none | |
| Potted | : | Potted | Weeding | : | none | |
| Stock period | : | 6 months | Supplement planting | : | none | |
| Pot type/size | : | Black plastic | Thining | : | none | |
| Forest crown type | : | single storied | Prevention | : | none | |
| Forest floor vegetation | : | Bare | ||||
| 4. Biomass information | ||||||
| BA (m2 ha-1) | : | - | Stem volume (m3 ha-1) | : | - | |
| Age (year) | : | - | With bark | : | - | |
| Actual density (trees ha-1) | : | - | Without bark | : | - | |
| Biomass (Mg ha-1) | : | - | ||||
| Stem | : | - | ||||
| Bark | : | - | ||||
| Branch | : | - | ||||
| Leaf | : | - | ||||
| Root | : | - | ||||
| Above ground | : | - | ||||