| Database on artificial forests in the tropics | ||||||
| ID: West Java_Swietenia spp-2 | ||||||
| 1. General information | ||||||
| Date of the investigation (yy/mm) |
: | Plantation area (ha) |
: | 23.9 | ||
| Plantation name | : | Gunung Wiru block, 26a plot | Tree species | : | Swietenia mahagoni | |
| Region | : | West Java | Family/Genus | : | Meliaceae - Swietenia | |
| Altitude (m, asl) | : | 600 | Diameter at
breast height Maximum (cm) |
: | 39.8 | |
| Latitude | : | 7°33'S | Diameter at
breast height Minimum (cm) |
: | 19.1 | |
| Longitude | : | 107°47'E | Diameter at
breast height Average (cm) |
: | 28.3 | |
| Planted year and month (yy/mm) |
: | November - December, 1990 | Tree
height Maximum (m) |
: | 28.0 | |
| Planted spacing (m × m) |
: | 3 × 2 | Tree
height Minimum (m) |
: | 20.0 | |
| Survaival rate of planted trees (%) |
: | 80 | Tree
height Average (m) |
: | 25.3 | |
| 2. Site characteristics information | ||||||
| Land tenure | : | Government | Expenditure (per ha) |
: | Rp580,527 | |
| Monthly temperature of the site (°C) |
: | (min.: 14.0, max.: 21.0) | Land preparation | : | Rp418,264 | |
| Monthly rainfall of the site (mm) |
: | 135 - 345 | Planting stock cost | : | Rp162,263 | |
| Dry season | : | - | Maintenance cost | : | - | |
| Slope | : | - | Potential area
for planting (ha) |
: | - | |
| Soil type | : | Brown Latosol | Damages | : | Illegal logging | |
| Soil texture | : | Clay | Remarks | : | Flowering: July | |
| Soil pH | : | 6.8 | ||||
| Soil depth | : | Deep | Vegetation and land utilization before planting | : | Natural forest | |
| Water level | : | < 50 cm | ||||
| 3. Seedling information | ||||||
| Seedling | : | Seedring | Size of planting hole (cm) | : | 30 × 30 × 30 | |
| Provenance | : | West Java | Fertilization | : | - | |
| Potted | : | - | Weeding | : | Taungya system for two years | |
| Stock period | : | Five months | Supplement planting | : | 20% (first year
after planting) 10% (second year after planting) |
|
| Pot type/size | : | Pollybag (diameter: 10 cm, height: 13 cm) |
Thining | : | Every five years for thirty five years | |
| Forest crown type | : | Monoculture | Prevention | : | - | |
| Forest floor vegetation | : | Dense (coverage: > 67%) | ||||
| 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 | : | - | ||||